### Thursday, November 29, 2001 -- Karcher Colloquium

**Announcement:**Invariant Theory, Dual Pairs, and Enveloping Algebras**Speaker:**Victor Protsak, University of Minnesota**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 423 For more info, call 325-6711 and ask for T. Przebinda### Monday, December 10, 2001 -- Analysis Seminar

**Announcement:**Differential geometry and partial differential Equations from a p-harmonic viewpoint II**Speaker:**Walter Wei, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Tuesday, December 4, 2001 -- Algebra Topics Seminar

**Announcement:**Tannakian Categories VI**Speaker:**Ed Cline, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Andy Magid### Tuesday, December 11, 2001 -- Algebra Topics Seminar

**Announcement:**Tannakian Categories VII**Speaker:**Ed Cline, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Andy Magid### Thursday, December 13, 2001 -- Karcher Colloquium

**Announcement:**Auslander conjecture and affine crystallographic groups of signature (n,2)**Speaker:**Gregory Soifer, Yale and Bar-Ilan Universities**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 423 For more info, call 325-6711 and ask for Andy Magid### Thursday, January 24, 2002 -- Karcher Colloquium

**Announcement:**Extension Dimension**Speaker:**Ivan Ivansic, University of Zagreb**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 423 For more info, call 325-6711 and ask for Leonard Rubin### Friday, January 25, 2002 -- MathFest 2002

**Announcement:**see Schedule of Events**Time & Place:**2:30-5:30 PM Friday, in PHSC 416**Tea at:**2:00 PM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Saturday, January 26, 2002 -- MathFest 2002

**Announcement:**see Schedule of Events**Time & Place:**10:00-12:00 PM Saturday, in PHSC 416**Tea at:**10:30 AM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Monday, January 28, 2002 -- Graduate Student Seminar

**Announcement:**Meeting with Graduate Director**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**6:00 PM in PHSC 809 For more info, call 325-6711 and ask for Ara Basmajian### Monday, January 28, 2002 -- Analysis Seminar

**Announcement:**Organizational Meeting**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Tuesday, January 29, 2002 -- Algebra Topics Seminar

**Announcement:**Organizational Meeting**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Kaan Akin### Wednesday, January 30, 2002 -- Topology Seminar

**Announcement:**Geometric Methods in Computing Lower K-theory groups**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Bogdan Vajiac### Monday, February 4, 2002 -- Graduate Student Seminar

**Announcement:**Pizza delivery on a torus**Speaker:**Andy Miller, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, February 5, 2002 -- Algebra Topics Seminar

**Announcement:**Bounded generation of orthogonal S-arithmetic groups**Speaker:**Igor Erovenko, University of Virginia**Time & Place:**4:00 PM in PHSC 102 For more info, call 325-6711 and ask for Lucy Lifschitz### Wednesday, February 6, 2002 -- Karcher Colloquium Talk

**Announcement:**SL_{3}(C[x]) is not boundedly generated by elementaries**Speaker:**Igor Erovenko, University of Virginia**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for Lucy Lifschitz### Thursday, February 7, 2002 -- Topology Seminar

**Announcement:**Geometric Methods in Computing Lower K-theory groups II**Speaker:**Bogdan Vajiac, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Bogdan Vajiac### Monday, February 11, 2002 -- Graduate Student Seminar

**Announcement:**The Magnet and the Group (a story about friendship)**Speaker:**Rob Sulman, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Wednesday, February 13, 2002 -- Topology Seminar

**Announcement:**Farrell-Jones program for negatively curved manifolds**Speaker:**Bogdan Vajiac, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Bogdan Vajiac### Wednesday, February 15, 2002 -- Karcher Colloquium Talk

**Announcement:**Order-deformed finite group algebra and their centralizer**Speaker:**Andrew Francis, University of Western Sydney**Time & Place:**3:30 PM in PHSC 809**Tea at:**3:00 PM in PHSC 423 For more info, call 325-6711 and ask for Lucy Lifschitz### Friday, February 18, 2002 -- Analysis Seminar

**Announcement:**Geometric Methods in the Theory of Partial Differential Equations**Speaker:**Walter Wei, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, February 18, 2002 -- Graduate Student Seminar

**Announcement:**Pizza Delivery on a Torus II**Speaker:**Andy Miller, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, February 19, 2002 -- Special Lecture

**Announcement:**Quadratic Forms and Finite Group Schemes**Speaker:**Marcin Mazur, University of Illinois at Urbana-Champaign**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:00 PM in PHSC 423 For more info, call 325-6711 and ask for K. Akin### Monday, February 25, 2002 -- Analysis Seminar

**Announcement:**Geometric Methods in the Theory of Partial Differential Equations II**Speaker:**Walter Wei, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, February 25, 2002 -- Graduate Student Seminar

**Announcement:**Positive Solution to the p-Laplacian with Nonlinearity**Speaker:**Lina Wu, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, February 26, 2002 -- Algebra Topics Seminar

**Announcement:**Zeta functions and representations of finitely generated groups**Speaker:**Benjamin Martin, Hebrew University**Time & Place:**4:00 PM in PHSC 102 For more info, call 325-6711 and ask for Andy Magid### Tuesday, February 26, 2002 -- Math Club Event

**Announcement:**Mathematics On-Line: Demonstrations and Interactive Web Sites for Students and Instructors**Speaker:**Kay Weiss, University of Oklahoma**Time & Place:**5:30 PM in PHSC 231**Pizza:**Following the presentation in PHSC 423 For more info, call 325-6711 and ask for Andy Miller### Wednesday, February 27, 2002 -- Topology Seminar

**Announcement:**Homotopical Algebras**Speaker:**Mahmoud Zeinalian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Zeinalian### Monday, March 4, 2002 -- Graduate Student Seminar

**Announcement:**Mugs and Donuts: The Gauss Bonnet Theorem**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, March 5, 2002 -- Algebra Topics Seminar

**Announcement:**On Parabolic Induction**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Alan Roche### Wednesday, March 6, 2002 -- Topology Seminar

**Announcement:**Homotopical Algebras II**Speaker:**Mahmoud Zeinalian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Zeinalian### Monday, March 11, 2002 -- Analysis Seminar

**Announcement:**Geometric Methods in the Theory of Partial Differential Equations IV**Speaker:**Walter Wei, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, March 11, 2002 -- Graduate Student Seminar

**Announcement:**Mugs and Donuts: The Gauss Bonnet Theorem**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, March 12, 2002 -- Math Club Event

**Announcement:**Why is math useful?**Speaker:**Tomasz Przebinda, University of Oklahoma**Time & Place:**5:30 PM in PHSC 115**Pizza:**Following the presentation in PHSC 424 For more info, call 325-6711 and ask for Andy Miller### Wednesday, March 13, 2002 -- Topology Seminar

**Announcement:**Homotopical Algebras**Speaker:**Mahmoud Zeinalian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Zeinalian### Monday, March 18, 2002 -- Topology Seminar

**Announcement:**Hyperbolic structure on complements of tori in the 4-sphere and other 4-manifolds**Speaker:**Dubravko Ivansic, George Washington University**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Boris Apanasov### Monday, March 25, 2002 -- Analysis Seminar

**Announcement:**Ground-state solitary waves**Speaker:**John Albert, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for John Albert### Monday, March 25, 2002 -- Graduate Student Seminar

**Announcement:**Incomputability - My brief encounter with mathematical logic**Speaker:**Kevin Grasse, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, March 26, 2002 -- Algebra Topics Seminar

**Announcement:**More On Parabolic Induction**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Kaan Akin### Monday, April 1, 2002 -- Analysis Seminar

**Announcement:**Ground-state solitary waves II**Speaker:**John Albert, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for John Albert### Monday, April 1, 2002 -- Graduate Student Seminar

**Announcement:**A Crash Course in Complex Analysis**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ara Basmajian### Tuesday, April 2, 2002 -- Algebra Topics Seminar

**Announcement:**Parabolic Induction III**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Kaan Akin### Wednesday, April 3, 2002 -- Topology Seminar

**Announcement:**Computational geometry of the Heisenberg group with left-invariant metric**Speaker:**Andrey Marenich, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Boris Apanasov### Thursday, April 4, 2002 -- Mathematics Awareness Lecture 2002

**Announcement:**The Fourth Dimension**Speaker:**Michael Starbird, University of Texas**Time & Place:**4:30 PM in Sarkey Energy Center Room N202A**Refreshments:**4:00 PM in Sarkey Energy Center For more info, call 325-6711 and ask for Andy Miller### Monday, April 8, 2002 -- Analysis Seminar

**Announcement:**Ground-state solitary waves III**Speaker:**John Albert, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for John Albert### Monday, April 8, 2002 -- Graduate Student Seminar

**Announcement:**Winding numbers**Speaker:**John Albert, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for John Albert### Wednesday, April 10, 2002 -- Topology Seminar

**Announcement:**Seiberg-Witten I**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Thursday, April 11, 2002 -- Karcher Colloquium

**Announcement:**P-adic groups: some analogies and contrasts**Speaker:**Jeffrey Adler, University of Akron**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 423 For more info, call 325-6711 and ask for Alan Roche### Monday, April 15, 2002 -- Graduate Student Seminar

**Announcement:**A Beautiful Mind and Embedding Theorems**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for A. Basmajian### Tuesday, April 16, 2002 -- Ph.D. Dissertation Defense

**Announcement:**Deformations of Simple Representations of Two Generator HNN Extensions**Speaker:**Russell Goodman, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Andy Magid### Wednesday, April 17, 2002 -- Topology Seminar

**Announcement:**Seiberg-Witten II**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Monday, April 22, 2002 -- Analysis Seminar

**Announcement:**Chern-Weil theory, a combinatorial approach**Speaker:**Mahmoud Zeinalian, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for M. Zeinalian### Monday, April 22, 2002 -- Graduate Student Seminar

**Announcement:**On the number of numerical sets with small atoms**Speaker:**Jeremy Marzuola, University of Oklahoma**Time & Place:**5:00 PM in PHSC 321 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, April 24, 2002 -- Topology Seminar

**Announcement:**Seiberg-Witten III**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Tuesday, April 30, 2002 -- Algebra Topics Seminar

**Announcement:**Arithmeticity of rank one lattices**Speaker:**Lucy Lifschitz, University of Oklahoma**Time & Place:**3:00 PM in PHSC 809 For more info, call 325-6711 and ask for Kaan Akin### Wednesday, May 1, 2002 -- Topology Seminar

**Announcement:**Metric flows on the Heisenberg group**Speaker:**Marius Munteanu, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711### Thursday, May 2, 2002 -- Karcher Colloquium

**Announcement:**The Plancherel theorem for p-adic groups, arithmetic and compact, open subgroups**Speaker:**Philip Kutzko, University of Iowa**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 423 For more info, call 325-6711 and ask for Alan Roche### Monday, August 26, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council**Speaker:**We will be reading the book throughout the semester**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, call 325-6711 and ask for Teri Jo Murphy### Wednesday, August 28, 2002 -- Topology Seminar

**Announcement:**Organizational Meeting**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Thursday, August 29, 2002 -- Ph.D. Dissertation Defense

**Announcement:**On the Normal Accessibility Property of Actions and Pseudo Semi-groups of Local Diffeomorphisms**Speaker:**Mamuka Gomarteli, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for K. Grasse### Wednesday, September 4, 2002 -- Topology Seminar

**Announcement:**Expanding maps, Anosov diffeomorphisms and affine structures on infra-nilmanifolds**Speaker:**K. B. Lee, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to kblee@math.ou.edu### Monday, September 9, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapters 1 and 2.**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, September 9, 2002 -- Analysis Seminar

**Announcement:**Poincare-Sobolev inequality and its geometric implication**Speaker:**Meijun Zhu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, September 9, 2002 -- Graduate Student Seminar

**Announcement:**Deformation Spaces of 3-dimensional Flat Manifolds**Speaker:**K. B. Lee, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, direct e-mail to ylou@ou.edu### Wednesday, September 11, 2002 -- Topology Seminar

**Announcement:**Expanding maps, Anosov diffeomorphisms and affine structures on infra-nilmanifolds (Part 2)**Speaker:**K. B. Lee, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to kblee@math.ou.edu### Monday, September 16, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss Chapter 3**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, September 16, 2002 -- Analysis Seminar

**Announcement:**Poincare-Sobolev inequality and its geometric implication II**Speaker:**Meijun Zhu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, September 16, 2002 -- Graduate Student Seminar

**Announcement:**Spaces, Maps, and Mathematics**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, direct e-mail to ylou@ou.edu### Wednesday, September 18, 2002 -- Topology Seminar

**Announcement:**Free actions of a cyclic group on the 3-dimensional Nilmanifold**Speaker:**Joonkook Shin, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to jkshin@math.ou.edu### Thursday, September 19, 2002 -- Algebra Topics Seminar

**Announcement:**Nielsen equivalence of generating pairs of PSL(2,q)**Speaker:**Darryl McCullough, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Monday, September 23, 2002 -- Graduate Student Seminar

**Announcement:**Model-based Data Assessment**Speaker:**Dr. Luther White, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, direct e-mail to ylou@ou.edu### Wednesday, September 25, 2002 -- Karcher Seminar

**Announcement:**Hantzsche-Wendt Manifold**Speaker:**Andrzej Szczepanski, University of Gdansk**Time & Place:**3:45 PM in PHSC 809**Tea at:**3:15 PM in PHSC 424 For more info, call 325-6711 and ask for K. B. Lee### Thursday, September 26, 2002 -- Karcher Colloquium

**Announcement:**Ellipsoidal Tight Frames**Speaker:**Keri Kornelson, Texas A&M University**Time & Place:**4:00 PM in PHSC 1108**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Monday, September 30, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapter 4.**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, September 30, 2002 -- Analysis Seminar

**Announcement:**Polynomial Equations, Riemann Surfaces and Newton Diagrams**Speaker:**Leonid Dickey, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, September 30, 2002 -- Graduate Student Seminar

**Announcement:**Differential Galois Theory**Speaker:**Dr. A. Magid, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, October 2, 2002 -- Topology Seminar

**Announcement:**Free actions of finite cyclic groups on the 3-dimensional Nilmanifold (2)**Speaker:**Joonkook Shin, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to jkshin@math.ou.edu### Thursday, October 3, 2002 -- Algebra Topics Seminar

**Announcement:**Nielsen equivalence of generating pairs of PSL(2,q), continued**Speaker:**Darryl McCullough, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Monday, October 7, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapter 5..**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, October 7, 2002 -- Analysis Seminar

**Announcement:**Polynomial Equations, Riemann Surfaces and Newton Diagrams II**Speaker:**Leonid Dickey, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, October 7, 2002 -- Graduate Student Seminar

**Announcement:**Necessary conditions for constrained optimization problems and regularity of the value function**Speaker:**Dr. Kevin A. Grasse, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Tuesday, October 8, 2002 -- Algebra Topics Seminar

**Announcement:**Categorical Differential Galois Theory**Speaker:**Andy Magid, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Magid### Wednesday, October 9, 2002 -- Topology Seminar

**Announcement:**The Rubinstein-Scharlemann graphic, I**Speaker:**Darryl McCullough**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Monday, October 14, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapter 6,**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, October 14, 2002 -- Analysis Seminar

**Announcement:**Toland's work on homoclinic orbits of a 4-dimensional Hamiltonian system**Speaker:**John Albert, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for J. Albert### Monday, October 14, 2002 -- Graduate Student Seminar

**Announcement:**Quantization on a Euclidian Space**Speaker:**Khongsap Totrakool, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, October 16, 2002 -- Topology Seminar

**Announcement:**The Rubinstein-Scharlemann graphic, II**Speaker:**Darryl McCullough**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Wednesday, October 16, 2002 -- Math Club Event

**Announcement:**Life in Computer Science after Mathematics**Speaker:**Deborah Trytten, OU School of Computer Science**Time & Place:**5:00 PM in PHSC 100 For more info, call 325-6711 and ask for Andy Miller### Thursday, October 17, 2002 -- Algebra Topics Seminar

**Announcement:**Categorical Differential Galois Theory, II**Speaker:**Andy Magid, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for K. Akin### Monday, October 21, 2002 -- Analysis Seminar

**Announcement:**A Nonlinear Elastic Beam System with Inelastic Contact Constraints**Speaker:**Luther White, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, October 21, 2002 -- Graduate Student Seminar

**Announcement:**When Stars Intersect**Speaker:**Dr. Marilyn Breen, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, October 23, 2002 -- Topology Seminar

**Announcement:**The Rubinstein-Scharlemann graphic, III**Speaker:**Darryl McCullough**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Monday, October 28, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapter 8**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, October 28, 2002 -- Karcher Special Lecture

**Announcement:**Combinatorics, Quantum Computers and Cellular Phones**Speaker:**Robert Calderbank, ATT Labs - Research**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Ozaydin### Monday, October 28, 2002 -- Graduate Student Seminar

**Announcement:**Nilpotent Numbers**Speaker:**Dr. Krishnan Shankar, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, October 30, 2002 -- Topology Seminar

**Announcement:**Non-positive Curvature and Small Cancellation Theory - I**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu .### Wednesday, October 30, 2002 -- Math Club Event

**Announcement:**Archimedes' Cattle Problem**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**4:30 PM in PHSC 119 For more info, call 325-6711 and ask for Andy Miller### Monday, November 4, 2002 -- Undergraduate Pedagogy Seminar

**Announcement:**"How People Learn: Brain, Mind, Experience, and School" by the National Research Council (2000)**Speaker:**We will discuss chapter 9**Coordinator:**Teri Jo Murphy, University of Oklahoma**Time & Place:**1:30--2:20 PM in PHSC 228 For more info, direct e-mail to tjmurphy@math.ou.edu### Monday, November 4, 2002 -- Analysis Seminar

**Announcement:**Infinitely many Periodic Solutions of Nonlinear Wave Equations on S^{n}**Speaker:**Jintae Kim, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, November 4, 2002 -- Graduate Student Seminar

**Announcement:**Eigenvectors, the spectral theorem, and transformation of Quadric forms**Speaker:**Stephen Lancaster, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, November 6, 2002 -- Topology Seminar

**Announcement:**Non-positive Curvature and Small Cancellation Theory - II**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu .### Thursday, November 7, 2002 -- Karcher Colloquium

**Announcement:**Recent progresses on a conjecture of De Giorgi**Speaker:**Changfeng Gui, University of Connecticut**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu### Monday, November 11, 2002 -- Graduate Student Seminar

**Announcement:**Things we can construct from squares and cubes**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Tuesday, November 12, 2002 -- Math Club Event

**Announcement:**When is a random sequence really random?**Speaker:**Kevin Grasse, University of Oklahoma**Time & Place:**4:30 PM in PHSC 100 For more info, call 325-6711 and ask for Andy Miller### Wednesday, November 13, 2002 -- Topology Seminar

**Announcement:**Non-positive Curvature and Small Cancellation Theory - III**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu .### Thursday, November 14, 2002 -- Karcher Colloquium

**Announcement:**Some applications of standard monomials**Speaker:**Victor Protsak, University of Minnesota**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Friday, November 15, 2002 -- Karcher Colloquium

**Announcement:**TBA**Speaker:**Victor Protsak, University of Minnesota**Time & Place:**4:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Przebinda### Saturday, November 16, 2002 -- Math Day 2002

**Announcement:**Hydrodynamic Modeling**Speaker:**Randall Kolar, OU School of Civil Engineering and Environmental Science**Time & Place:**3:10 PM, in PHSC 108 For more information, call 325-6711### Monday, November 18, 2002 -- Analysis Seminar

**Announcement:**Weak-Star Compactness with Applications in Control Theory**Speaker:**Laura Munteanu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Monday, November 18, 2002 -- Graduate Student Seminar

**Announcement:**Meeting with the Graduate Director**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, November 20, 2002 -- Topology Seminar

**Announcement:**Group Actions on Positively Curved Manifolds I**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to shankar@math.ou.edu### Monday, December 2, 2002 -- Analysis Seminar

**Announcement:**Weak-Star Compactness with Applications in Control Theory, II**Speaker:**Laura Munteanu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Tuesday, December 3, 2002 -- Math Club Event

**Announcement:**Opportunities in Biostatistics**Speaker:**Dr. Barbara Neas, OUHSC Department of Biostatistics and Epidemiology**Time & Place:**5:30 PM in PHSC 102 For more info, call 325-6711 and ask for Andy Miller### Wednesday, December 4, 2002 -- Topology Seminar

**Announcement:**Group Actions on Positively Curved Manifolds II**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to shankar@math.ou.edu### Thursday, December 5, 2002 -- Karcher Colloquium

**Announcement:**Nontrivial solutions of nonlinear Schrodinger equations with steep potential well**Speaker:**Alexander Pankov, Texas A&M University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for John Albert### Friday, December 6, 2002 -- Ph.D. Dissertation Defense

**Announcement:**One-dimensional Riemannian Foliations on the Heisenberg Group**Speaker:**Marius Munteanu, University of Oklahoma**Time & Place:**3:00 PM in PHSC 121 For more info, call 325-6711 and ask for M. Munteanu### Monday, December 9, 2002 -- Analysis Seminar

**Announcement:**Weak-Star Compactness with Applications in Control Theory, III**Speaker:**Laura Munteanu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for R. Landes### Thursday, December 12, 2002 -- Karcher Colloquium

**Announcement:**Special values of zeta functions**Speaker:**Niranjan Ramachandran, University of Maryland**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for K. Shankar### Thursday, December 19, 2002 -- Karcher Colloquium

**Announcement:**Navigation on Riemannian manifolds**Speaker:**David Bao, University of Houston**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Wednesday, January 15, 2003 -- Topology Seminar

**Announcement:**Open Problems in Riemannian Geometry**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: K. Shankar### Thursday, January 16, 2003 -- Karcher Colloquium

**Announcement:**Some Properties of Extension Dimension**Speaker:**Ivan Ivansic, University of Zagreb**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Rubin### Wednesday, January 22, 2003 -- Topology Seminar

**Announcement:**Horizontally homothetic maps, foliations and harmonic morphisms, I**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Monday, January 27, 2003 -- Topology Seminar

**Announcement:**The Menger-Urysohn Theorem**Speaker:**Vera Tonic, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Leonard Rubin### Wednesday, January 29, 2003 -- Topology Seminar

**Announcement:**Horizontally homothetic maps, foliations and harmonic morphisms, II**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Friday, January 31, 2003 -- MathFest 2003

**Announcement:**see the Schedule of Events**Time & Place:**2:30-5:30 PM Friday, in PHSC 416**Tea at:**2:00 PM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Saturday, February 1, 2003 -- MathFest 2003

**Announcement:**see the Schedule of Events**Time & Place:**10:00-12:00 PM Saturday, in PHSC 416**Tea at:**10:30 AM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Monday, February 3, 2003 -- Graduate Student Seminar

**Announcement:**The Fundamental Matrix and its Properties**Speaker:**Laura Munteanu, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for A. Basmajian### Monday, February 10, 2003 -- Analysis Seminar

**Announcement:**Integrability of PDEs and Factorizations of Lie Groups**Speaker:**Enrique Reyes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, February 10, 2003 -- Graduate Student Seminar

**Announcement:**Mathematical Foundations of Actuarial Science**Speaker:**Lina Wu, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, February 12, 2003 -- Topology Seminar

**Announcement:**Extension Theory and Inverse Sequences I**Speaker:**Leonard R. Rubin, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Leonard R. Rubin### Thursday, February 13, 2003 -- Math Club Talk

**Announcement:**Face Recognition and Other Applications of Mathematics**Speaker:**Terry Herdman, Interdisciplinary Center for Applied Mathematics, Virginia Tech**Time & Place:**5:15 PM in PHSC 100**Pizza:**afterwards, in the Math Lounge For more info, call 325-6711### Monday, February 17, 2003 -- Analysis Seminar

**Announcement:**Integrability of PDEs and Factorizations of Lie Groups**Speaker:**Enrique Reyes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, February 17, 2003 -- Graduate Student Seminar

**Announcement:**Isoperimetric Inequalities**Speaker:**Lina Wu, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, February 19, 2003 -- Topology Seminar

**Announcement:**Extension Theory and Inverse Sequences II**Speaker:**Leonard R. Rubin, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Leonard R. Rubin### Monday, February 24, 2003 -- Analysis Seminar

**Announcement:**Integrability of PDEs and Factorizations of Lie Groups**Speaker:**Enrique Reyes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, February 24, 2003 -- Graduate Student Seminar

**Announcement:**Imbedding compact manifolds**Speaker:**Tara Lee Mecham, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Wednesday, February 26, 2003 -- Topology Seminar

**Announcement:**Isoperimetric Inequalities**Speaker:**Lina Wu, The University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Thursday, February 27, 2003 -- Karcher Colloquium

**Announcement:**Calabi flow on Riemann surfaces**Speaker:**Xiu Xiong Chen, University of Wisconsin at Madison**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu### Monday, March 3, 2003 -- Graduate Student Seminar

**Announcement:**The ABCs of Pythagorean triples**Speaker:**Darryl McCullough, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Wednesday, March 5, 2003 -- Topology Seminar

**Announcement:**The homology of the classifying spaces of gauge groups**Speaker:**Younggi Choi, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Thursday, March 6, 2003 -- Karcher Colloquium

**Announcement:**Some recent progress of regularity of biharmonic maps into Riemannian manifolds**Speaker:**Changyou Wang, University of Kentucky**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Monday, March 10, 2003 -- Graduate Student Seminar

**Announcement:**Cohomology and elementary school arithmetic**Speaker:**Dr. Lucy Lifschitz, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Tuesday, March 11, 2003 -- Algebra Topics Seminar

**Announcement:**Cohomology of Rings with Group Action**Speaker:**Andy Magid, The University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Andy Magid### Thursday, March 13, 2003 -- Karcher Colloquium

**Announcement:**Conjugate loci of pseudoriemannian 2-step nilpotent Lie groups with nondegenerate center**Speaker:**Phil Parker, Wichita State University**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, contact kblee@math.ou.edu by e-mail### Wednesday, March 26, 2003 -- Topology Seminar

**Announcement:**The Schubert Theorem for 2-bridge knots**Speaker:**Arim Seo, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Monday, March 31, 2003 -- Graduate Student Seminar

**Announcement:**The classification of closed surfaces; the zip proof of Conway**Speaker:**Noel Brady, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Wednesday, April 2, 2003 -- Topology Seminar

**Announcement:**Genus-one 1-bridge position for 2-bridge knots**Speaker:**Arim Seo, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Thursday, April 3, 2003 -- Karcher Colloquium

**Announcement:**Elliptic curves, modular forms and icosahedral Galois representations**Speaker:**Mark Dickinson, University of Michigan, Ann Arbor**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Krishnan Shankar### Monday, April 7, 2003 -- Analysis Seminar

**Announcement:**Some remarks on a Stefan Problem**Speaker:**Ruediger Landes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, April 7, 2003 -- Graduate Student Seminar

**Announcement:**Infinite Products and Number Theory**Speaker:**Parker Walker, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Tuesday, April 8, 2003 -- Algebra Topics Seminar

**Announcement:**Representations of finitely generated groups**Speaker:**Andy Magid, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for: K. Akin### Wednesday, April 9, 2003 -- Karcher Colloquium

**Announcement:**Topological Fixed Point Theory and Fundamental Group**Speaker:**Peter Wong, Bates College**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, contact kblee@math.ou.edu### Thursday, April 10, 2003 -- Topology Seminar

**Announcement:**Coincidences of maps into nilmanifolds**Speaker:**Peter Wong, Bates College**Time & Place:**2:00 PM in PHSC 809**Tea at:**1:30 PM in PHSC 424 For more info, contact kblee@math.ou.edu### Monday, April 14, 2003 -- Analysis Seminar

**Announcement:**Modified Rayleigh conjecture method for obstacle scattering problems**Speaker:**Semion Gutman, University of Oklahoma**Time & Place:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for Ruediger Landes### Monday, April 7, 2003 -- Graduate Student Seminar

**Announcement:**Morse Theory**Speaker:**Jungfang Li, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Wednesday, April 16, 2003 -- Topology Seminar

**Announcement:**Convergence group actions on the unit three-ball**Speaker:**Robert Sulman, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Tuesday, April 22, 2003 -- Karcher Colloquium

**Announcement:**Supercuspidal representations of p-adic classical groups**Speaker:**Shaun Stephens, University of East Anglia**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Alan Roche### Wednesday, April 23, 2003 -- Topology Seminar

**Announcement:**Convergence group actions on the unit three-ball, continued**Speaker:**Robert Sulman, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Monday, April 28, 2003 -- Graduate Student Seminar

**Announcement:**Food for Thought**Time & Place:**5:00 PM in PHSC 1105A For more info, call 325-6711 and ask for A. Basmajian### Tuesday, April 29, 2003 -- Topology Seminar

**Announcement:**Tabulating Legendrian knots**Speaker:**Mark Branson, University of Oklahoma**Time & Place:**4:00 PM in PHSC 809 For more info, direct email to amiller@math.ou.edu### Wednesday, April 30, 2003 -- Topology Seminar

**Announcement:**The Cheeger Inequality**Speaker:**Lina Wu, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Thursday, May 1, 2003 -- Karcher Colloquium

**Announcement:**On a higher-order Schroedinger equation**Speaker:**Felipe Linares, University of California**Time & Place:**4:00 PM in PHSC 102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for J. Albert### Thursday, May 15, 2003 -- Karcher Special Lecture

**Announcement:**Apollonian metrics**Speaker:**Zair Ibragimov, University of Texas**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for A. Basmajian### Wednesday, August 20, 2003 -- Karcher Special Lecture

**Announcement:**What are the Parabolic Geometries?**Speaker:**Jan Slovak, Masaryk University Brno**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for B. Apanasov### Tuesday, August 26, 2003 -- Special Lecture

**Announcement:**Developing Precalculus Concepts in Context**Speaker:**Marsha Davis, Eastern Connecticut State University**Time & Place:**4:00 PM in PHSC 1105A For more info, call 325-6711 and ask for N. Matthews### Thursday, August 28, 2003 -- Karcher Colloquium

**Announcement:**On $H^n$-Stability of Solitary Waves of the KdV Equation**Speaker:**Nghiem Nguyen, University of Illinois, Chicago**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for John Albert### Wednesday, September 3, 2003 -- Karcher Special Lecture

**Announcement:**The Rational Schur Algebra Seminar**Speaker:**Richard Dipper, University of Stuttgart**Time & Place:**4:00 PM in PHSC 121 For more info, call 325-6711 and ask for K. Akin### Thursday, September 4, 2003 -- Karcher Colloquium

**Announcement:**On Schur-Weyl Duality**Speaker:**Richard Dipper, University of Stuttgart**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for K. Akin### Wednesday, September 10, 2003 -- Topology Seminar

**Announcement:**Diffeomorphism groups of low-dimensional manifolds**Speaker:**Darryl McCullough, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Monday, September 15, 2003 -- Analysis Seminar

**Announcement:**Poincare-Sobolev inequality in 2-sphere**Speaker:**Meijun Zhu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, September 15, 2003 -- Graduate Student Seminar

**Announcement:**Geometry of Group Representations**Speaker:**Andy Magid, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Tuesday, September 16, 2003 -- Discrete Groups Seminar

**Announcement:**Isoperimetric functions of finitely presented groups**Speaker:**Noel Brady, The University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, September 17, 2003 -- Topology Seminar

**Announcement:**The Smale Conjecture for Lens Spaces, I**Speaker:**Darryl McCullough, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Darryl McCullough### Thursday, September 18, 2003 -- Karcher Colloquium

**Announcement:**Control and Biomechanics of Human Movement Systems**Speaker:**Lawrence Schovanec, Texas Tech University**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Andy Magid### Monday, September 22, 2003 -- Graduate Student Seminar

**Announcement:**A proof of Picards theorem using differential geometry**Speaker:**Krishnan Shankar, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Tuesday, September 23, 2003 -- Discrete Groups Seminar

**Announcement:**Isoperimetric Functions of Discrete Groups -II, Theory and Examples**Speaker:**Noel Brady, The University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, September 24, 2003 -- Topology Seminar

**Announcement:**Geodesics in elliptic 3-manifolds**Speaker:**Andy Miller, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Andy Miller### Thursday, September 25, 2003 -- Karcher Colloquium

**Announcement:**Unbounded perturbation of resonant Schrodinger equations**Speaker:**Hossein T. Tehrani, University of Nevada, Las Vegas**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for J. Kim### Monday, September 29, 2003 -- Analysis Seminar

**Announcement:**On Harmonic Mappings of Surfaces and Teichmueller Theory**Speaker:**Zeno Huang, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Tuesday, September 30, 2003 -- Discrete Groups Seminar

**Announcement:**Isoperimetric Functions of Discrete Groups -III, Examples and Open Problems**Speaker:**Noel Brady, The University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, October 1, 2003 -- Topology Seminar

**Announcement:**Hopf tori in elliptic 3-manifolds**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Ara Basmajian### Thursday, October 2, 2003 -- Karcher Colloquium

**Announcement:**Theory and Computations in Group Representations**Speaker:**Leonard Scott, University of Virginia**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for E. Cline### Monday, October 6, 2003 -- Graduate Student Seminar

**Announcement:**A Meandering Introduction to Thurstons Geometrization Program and Ricci Flow**Speaker:**Zeno Huang, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Wednesday, October 8, 2003 -- Topology Seminar

**Announcement:**Hopf tori in elliptic 3-manifolds II**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Ara Basmajian### Thursday, October 9, 2003 -- Karcher Colloquium

**Announcement:**Ricci Flow Solutions with Bounded Curvature**Speaker:**David Glickenstein, University of Arizona**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Z. Huang### Friday, October 10, 2003 -- Analysis Seminar

**Announcement:**Ricci Flow Solutions with Bounded Curvature**Speaker:**David Glickenstein, University of Arizona**Time & Place:**11:05 AM in PHSC 1105 For more info, call 325-6711 and ask for Z. Huang### Wednesday, October 15, 2003 -- Topology Seminar

**Announcement:**The asymptotic Weil-Petersson geometry of Teichmuller space**Speaker:**Zeno Huang, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Zeno Huang### Thursday, October 16, 2003 -- Karcher Colloquium

**Announcement:**Biharmonic Maps**Speaker:**Changyou Wang, University of Kentucky**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Friday, October 17, 2003 -- Analysis Seminar

**Announcement:**Fully nonlinear subelliptic equations or Carnot groups**Speaker:**Changyou Wang, University of Kentucky**Time & Place:**12:00 AM in PHSC 1105 For more info, call 325-6711 and ask for W. Wei### Monday, October 20, 2003 -- Graduate Student Seminar

**Announcement:**Geometry on nilpotent Lie groups**Speaker:**K.B. Lee, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to kblee@math.ou.edu### Tuesday, October 21, 2003 -- Discrete Groups Seminar

**Announcement:**The space of G-trees I**Speaker:**Max Forester, The University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, October 22, 2003 -- Topology Seminar

**Announcement:**The asymptotic Weil-Petersson geometry of Teichmuller space II**Speaker:**Zeno Huang, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for: Zeno Huang### Thursday, October 23, 2003 -- Karcher Colloquium

**Announcement:**The Busemann Petty problem for Gaussian measures**Speaker:**Artem Zvavitch, University of Missouri - Columbia**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for P. Goodey### Monday, October 27, 2003 -- Graduate Student Seminar

**Announcement:**The applications of Simulated Annealing Algorithm and Genetic Algorithm in the Inverse Problem of an Ecological System Model.**Speaker:**Tao Xu, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Tuesday, October 28, 2003 -- Discrete Groups Seminar

**Announcement:**The space of G-trees II**Speaker:**Max Forester, The University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, October 29, 2003 -- Topology Seminar

**Announcement:**so(3) x R^3 geometry**Speaker:**K. B. Lee, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to kblee@math.ou.edu### Thursday, October 30, 2003 -- Karcher Colloquium

**Announcement:**Classification of Solutions for an Integral Equation**Speaker:**Congming Li, University of Colorado**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu### Friday, October 31, 2003 -- Analysis Seminar

**Announcement:**Classification of Solutions for Systems of Integral Equation**Speaker:**Congming Li, University of Colorado**Time & Place:**TBA in PHSC 1105 For more info, call 325-6711 and ask for M. Zhu### Monday, November 3, 2003 -- Analysis Seminar

**Announcement:**Algebraic criteria for first integrals of the Korteweg - de Vries and other equations**Speaker:**Leonid Dickey, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, November 3, 2003 -- Graduate Student Seminar

**Announcement:**Topologists, geometers, and medical Doctors**Speaker:**Yelin Ou, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Wednesday, November 5, 2003 -- Topology Seminar

**Announcement:**A torsion free hyperbolic group of CAT(0) dimension 2, but CAT(-1) dimension 3 -- I**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, November 6, 2003 -- Karcher Colloquium

**Announcement:**An Embedded Genus-one Helicoid**Speaker:**Michael Wolf, Rice University**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Z. Huang### Monday, November 10, 2003 -- Analysis Seminar

**Announcement:**Algebraic criteria for first integrals of the Korteweg - de Vries and other equations, Part 2**Speaker:**Leonid Dickey, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, direct e-mail to kakin@math.ou.edu### Monday, November 10, 2003 -- Graduate Student Seminar

**Announcement:**P-Adic Numbers**Speaker:**Alan Roche, The University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Tuesday, November 11, 2003 -- Discrete Groups Seminar

**Announcement:**Exponentially distorted closed surface subgroups in 2-dimensional hyperbolic groups - I**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, November 12, 2003 -- Topology Seminar

**Announcement:**A torsion free hyperbolic group of CAT(0) dimension 2, but CAT(-1) dimension 3 -- II**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, November 13, 2003 -- Karcher Colloquium

**Announcement:**Stein extensions of real symmetric spaces**Speaker:**Leticia Barchini, Oklahoma State University**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Tuesday, November 18, 2003 -- Discrete Groups Seminar

**Announcement:**Exponentially distorted closed surface subgroups in 2-dimensional hyperbolic groups - II**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, November 19, 2003 -- Karcher Special Lecture

**Announcement:**The existence of metrics of nonpositive curvature on the Brady-Krammer complexes for finite-type Artin groups**Speaker:**Woonjung Choi, Texas A & M University**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, November 20, 2003 -- Karcher Colloquium

**Announcement:**Partial rigidity of nonpositively curved manifolds**Speaker:**Xiaochun Rong, Rutgers, The State University of New Jersey**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Friday, November 21, 2003 -- Karcher Seminar

**Announcement:**Positive curvature, abelian symmetric and the fundamental groups**Speaker:**Xiaochun Rong, Rutgers, The State University of New Jersey**Time & Place:**4:00 PM in PHSC 115 For more info, call 325-6711 and ask for W. Wei### Monday, November 24, 2003 -- Graduate Student Seminar

**Announcement:**Stability and Liouville Theorem for Stable Harmonic Maps**Speaker:**Lina Wu, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Monday, December 1, 2003 -- Graduate Student Seminar

**Announcement:**Introduction to Algebraic Numbers and Integers**Speaker:**Ta Khongsap, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to arim@ou.edu### Wednesday, December 3, 2003 -- Topology Seminar

**Announcement:**Klyachko's method and the second homotopy group**Speaker:**Max Forester, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester @math.ou.edu### Thursday, December 4, 2003 -- Karcher Colloquium

**Announcement:**Exterior and symmetric square of the reflections representation**Speaker:**Nilabh Sanat, Oklahoma State University**Time & Place:**4:00 PM in PHSC 115**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Tuesday, December 9, 2003 -- Geometric Group Theory Seminar

**Announcement:**Some questions about subgroups of hyperbolic free-by-cyclic groups**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:40 PM in PHSC 1105 For more info, direct e-mail to nbrady@math.ou.edu### Wednesday, December 10, 2003 -- Topology Seminar

**Announcement:**Klyachko's method and the second homotopy group II**Speaker:**Max Forester, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester @math.ou.edu### Thursday, January 22, 2004 -- Karcher Colloquium

**Announcement:**TBA**Speaker:**Roger Zierau, Oklahoma State University**Time & Place:**4:00 PM in PHSC 356**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Monday, January 26, 2004 -- Graduate Student Seminar

**Announcement:**Symmetry and Classical Groups**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, direct e-mail to polaya@ou.edu### Wednesday, January 28, 2004 -- Topology Seminar

**Announcement:**A Selection Theorem for Simplex-Valued Maps**Speaker:**Leonard Rubin, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Friday, January 30, 2004 -- MathFest 2004

**Announcement:**see the Schedule of Events**Time & Place:**2:30-5:30 PM Friday, in PHSC 416**Tea at:**2:00 PM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Saturday, January 31, 2004 -- MathFest 2004

**Announcement:**see the Schedule of Events**Time & Place:**10:00-12:00 PM Saturday, in PHSC 416**Tea at:**10:30 AM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Monday, February 2, 2004 -- Graduate Student Seminar

**Announcement:**The birthday trick with errors**Speaker:**M. Ozaydin, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for M. Ozaydin### Wednesday, February 4, 2004 -- Karcher Special Lecture

**Announcement:**On the growth rate of tunnel number one knots**Speaker:**Yo'av Rieck, University of Arkansas**Time & Place:**4:00 PM in PHSC 809i**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to forester@math.ou.edu### Thursday, February 5, 2004 -- Karcher Colloquium

**Announcement:**Heegaard splittings of 3-manifolds**Speaker:**Yo'av Rieck, University of Arkansas**Time & Place:**4:00 PM in PHSC 356**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to forester@math.ou.edu### Monday, February 9, 2004 -- Graduate Student Seminar

**Announcement:**Ring of all solutions of constant coefficient Differential equations**Speaker:**Dr. Magid, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for Pedro Olaya### Tuesday, February 10, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Thursday, February 12, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Friday, February 13, 2004 -- Karcher Seminar

**Announcement:**Orientation-reversing actions on lens spaces**Speaker:**John Kalliongis, St. Louis University**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to amiller@math.ou.edu### Monday, February 16, 2004 -- Graduate Student Seminar

**Announcement:**Geometric Probability**Speaker:**Dr. Paul Goodey, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for P. Olaya### Tuesday, February 17, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Thursday, February 19, 2004 -- Karcher Colloquium

**Announcement:**Rohlin Invariant and gauge theory**Speaker:**Nikolai Saveliev, University of Miami**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for B. Apanasov### Monday, February 23, 2004 -- Graduate Student Seminar

**Announcement:**Some representation theory of SL 2 over an algebraically closed field of positive characteristic**Speaker:**Dr. Ed Cline, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for P. Olaya### Wednesday, February 25, 2004 -- Topology Seminar

**Announcement:**Hyperbolic spaces and foliations by minimal hypersurfaces**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Noel Brady### Thursday, February 26, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Friday, February 27, 2004 -- Karcher Special Lecture

**Announcement:**Solvable Integral Schroedinger Equations and Representation Theory**Speaker:**Alexander Turbiner, UNAM and ITEP**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Dickey### Monday, March 1, 2004 -- Graduate Student Seminar

**Announcement:**Hyperbolic surfaces, simple closed curves and McShanes Identity**Speaker:**Dr. Max Forester, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for P. Olaya### Tuesday, March 2, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Wednesday, March 3, 2004 -- Math Club Event

**Announcement:**Math holdings in the History of Science Library**Speaker:**Marilyn Ogilvie, Library Curator**Time & Place:**4:00 PM on 5th Floor of Bizzell Library For more info, call 325-6711 and ask for Andy Miller### Thursday, March 4, 2004 -- Karcher Colloquium

**Announcement:**Equivariant Monopole Homology for rational homology 3-spheres**Speaker:**Weiping Li, Oklahoma State University**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Z. Huang or W. Wei### Monday, March 8, 2004 -- Graduate Student Seminar

**Announcement:**The L1 curve fitting proble: a quick look at non-smooth analysis**Speaker:**Kevin Grasse, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for Pedro Olaya### Wednesday, March 10, 2004 -- Topology Seminar

**Announcement:**Spherical Rank Rigidity and Blaschke Manifolds I**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, March 11, 2004 -- Karcher Colloquium

**Announcement:**Actions on vector bundles, pseudo-linear transformations Lie algebroids and Lie groupoids**Speaker:**Yvette Kosmann-Schwarzbach, Ecole Polytechnique-Paris**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Dickey### Friday, March 12, 2004 -- Karcher Seminar

**Announcement:**On the Poisson structures with background**Speaker:**Yvette Kosmann-Schwarzbach, Ecole Polytechnique-Paris**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Dickey### Monday, March 22, 2004 -- Graduate Student Seminar

**Announcement:**From Quantum Mechanics to Number Theory in 45 minutes**Speaker:**Tomasz Przebinda, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for P. Olaya### Tuesday, March 23, 2004 -- Karcher Special Lecture

**Announcement:**Maximum principle in the Ricci flow**Speaker:**Peng Lu, University of Oregon**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu or Z. Huang### Wednesday, March 24, 2004 -- Topology Seminar

**Announcement:**Spherical Rank Rigidity and Blaschke Manifolds II**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, March 25, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for P. Killian### Monday, March 29, 2004 -- Graduate Student Seminar

**Announcement:**On one famous impossibility (Dilian Problem)**Speaker:**Totrakool Khongsap, University of Oklahoma**Time & Place:**5:00 PM in PHSC 1105 For more info, call 325-6711 and ask for Pedro Olaya### Wednesday, March 31, 2004 -- Topology Seminar

**Announcement:**Spherical Rank Rigidity and Blaschke Manifolds III**Speaker:**Krishnan Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, April 1, 2004 -- Karcher Colloquium

**Announcement:**Nonlinear Wave Equations in Minkowski Space and Einstein Universes**Speaker:**Zhengfang Zhou, Michigan State University**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for J. Kim### Friday, April 2, 2004 -- Special Lecture

**Announcement:**The Unitary Dual of SL(2,R)**Speaker:**Dr. Tomasz Przebinda, University of Oklahoma**Time & Place:**3:00 PM in TBA For more info, call 325-6711 and ask for Totrakool Khongsap### Friday, April 2, 2004 -- Mathematics/History of Science Colloquium

**Announcement:**Mathematical Motifs in the Early History of Einstein's General Theory of Relativity**Speaker:**David E. Rowe, Mainz University**Time & Place:**4:00 PM in PHSC 108**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Rubin### Monday, April 5, 2004 -- Karcher Special Lecture

**Announcement:**Sub-Riemannian geometry and analysis on the Heisenberg group**Speaker:**Yilong Ni, Fields Institute of Mathematics**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu### Monday, April 5, 2004 -- Graduate Student Seminar/OU Math Club Talk

**Announcement:**A Closer Look at Einstein's Private Mathematical World**Speaker:**David E. Rowe, Mainz University**Time & Place:**5:00 PM in PHSC 201**Tea at:**afterwards For more info, call 325-6711 and ask for L. Rubin### Tuesday, April 6, 2004 -- FOCAS Lecture

**Announcement:**Einstein as Cultural Icon and his Role in the Relativity Revolution**Speaker:**David E. Rowe, Mainz University**Time & Place:**7:00 PM in OMU GRA**Refreshments at:**8:00 PM in OMU For more info, call 325-6711 and ask for L. Rubin### Wednesday, April 7, 2004 -- Karcher Seminar

**Announcement:**Finiteness properties for groups and modules**Speaker:**Jens Harlander, Western Kentucky University**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, April 8, 2004 -- Karcher Colloquium

**Announcement:**Convexity and the Steiner formula**Speaker:**Wolfgang Weil, University of Karlsruhe**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Paul Goodey### Monday, April 12, 2004 -- Special Lecture

**Announcement:**The Unitary Dual of SL(2,R), Part II**Speaker:**Dr. Tomasz Przebinda, University of Oklahoma**Time & Place:**3:45 PM in PHSC 1105 For more info, call 325-6711 and ask for Totrakool Khongsap### Monday, April 12, 2004 -- Graduate Student Seminar

**Announcement:**Menasco's ideal polyhedral decompositions of link complements**Speaker:**Dr. Noel Brady, University of Oklahoma**Time & Place:**5:00 PM in PHSC 201 For more info, call 325-6711 and ask for Pedro Olaya### Wednesday, April 14, 2004 -- Topology Seminar

**Announcement:**Quasi-conformal groups**Speaker:**Youngju Kim, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, April 15, 2004 -- Karcher Colloquium

**Announcement:**Deformation theory of hyperbolic 3-manifolds**Speaker:**Dick Canary, University of Michigan**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for A. Basmajian### Monday, April 19, 2004 -- Graduate Student Seminar

**Announcement:**Evidence-based Undergraduate Mathematics Instruction**Speaker:**Curtis McKnight, University of Oklahoma**Time & Place:**5:00 PM in PHSC 201 For more info, call 325-6711 and ask for Pedro Olaya### Wednesday, April 21, 2004 -- Topology Seminar

**Announcement:**The stable neighborhood theorem**Speaker:**Euna Lim, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to nbrady@math.ou.edu### Thursday, April 22, 2004 -- Karcher Colloquium

**Announcement:**Two problems in the uniformization theory for Kahler manifolds**Speaker:**Fangyang Zheng, Ohio State University**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Z. Huang### Friday, April 23, 2004 -- Karcher Seminar

**Announcement:**Regularity of Harmonic Maps**Speaker:**Deliang Xu, University of Illinois**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Dr. Walter Wei### Monday, April 26, 2004 -- Graduate Student Seminar

**Announcement:**Financial Advisors and Mathematics: Is there a connection?**Speaker:**Alain R. Verhille, Morgan Stanley Financial Advisor**Time & Place:**5:00 PM in PHSC 201 For more info, call 325-6711 and ask for Pedro Olaya### Wednesday, April 28, 2004 -- Topology Seminar

**Announcement:**Geodesics in lens spaces**Speaker:**Andy Miller, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to amiller@math.ou.edu### Thursday, April 29, 2004 -- Karcher Colloquium

**Announcement:**Energy Concentration for Smooth Maps between Manifolds**Speaker:**Robert Hardt, Rice University**Time & Place:**4:00 PM in PHSC 114**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Friday, April 30, 2004 -- Karcher Colloquium

**Announcement:**Minimizing Surfaces and Efficient Transport Paths for Functionals Involving Fractional Powers of Densities**Speaker:**Robert Hardt, Rice University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for W. Wei### Monday, May 3, 2004 -- Analysis Seminar

**Announcement:**Some non-existence result on a non-starshaped domain**Speaker:**Jintae Kim, University of Oklahoma**Time & Place:**3:00 PM in PHSC 1105 For more info, direct e-mail to kakin@math.ou.edu### Thursday, May 6, 2004 -- Karcher Colloquium

**Announcement:**Basic questions for the nonlinear Fourier transform**Speaker:**Christoph Thiele, UCLA**Time & Place:**3:30 PM in PHSC 116**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Friday, June 4, 2004 -- Karcher Seminar

**Announcement:**TBA**Speaker:**Victor Protsak, Cornell University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Monday, June 14, 2004 -- Karcher Seminar

**Announcement:**Primitive ideals, nilpotent orbits and Howe correspondence (Part 2)**Speaker:**Victor Protsak, Cornell University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Friday, August 27, 2004 -- Representation Theory Seminar

**Announcement:**Organization and Dual Pairs**Speaker:**Tomasz Przebinda, University of Oklahoma**Time & Place:**5:00 PM in PHSC 100 For more info, call 325-6711 and ask for Tomasz Przebinda### Monday, August 30, 2004 -- Analysis Seminar

**Announcement:**Organizational Meeting**Speaker:**Ruediger Landes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, August 30, 2004 -- Graduate Student Seminar

**Announcement:**Question and Answer**Speaker:**Dr. Paul Goodey, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for Anne Jones### Wednesday, September 1, 2004 -- Topology Seminar

**Announcement:**Organizational Meeting**Speaker:**Max Forester, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Max Forester### Thursday, September 2, 2004 -- Karcher Colloquium

**Announcement:**Arithmetic differential algebra and dynamical systems on the Riemann sphere**Speaker:**Alexandru Buium, University of New Mexico**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Andy Magid### Friday, September 3, 2004 -- Karcher Special Lecture

**Announcement:**Fermat adeles and L-functions**Speaker:**Alexandru Buium, University of New Mexico**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Andy Magid### Wednesday, September 8, 2004 -- Topology Seminar

**Announcement:**Geometric tameness in word-hyperbolic three-manifolds**Speaker:**Josh Barnard, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester@math.ou.edu### Friday, September 10, 2004 -- Representation Theory Seminar

**Announcement:**The transfer of the orbital integrals for the reductive Lie algebras**Speaker:**Florent Bernon, University of Oklahoma**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for Florent Bernon### Monday, September 13, 2004 -- Analysis Seminar

**Announcement:**Onofri and sharp Sobolev inequalities on $S^n$**Speaker:**Meijun Zhu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Meijun Zhu### Monday, September 13, 2004 -- Graduate Student Seminar

**Announcement:**An Introduction to Blackboard**Speaker:**Matt Waldron, University of Oklahoma**Time & Place:**5:00 PM in PHSC 230/231 For more info, call 325-6711 and ask for T. Mecham### Tuesday, September 14, 2004 -- Discrete Groups Seminar

**Announcement:**An introduction to cubings**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, direct e-mail to nbrady "at" math.ou.edu### Wednesday, September 15, 2004 -- Topology Seminar

**Announcement:**Geometric tameness in word-hyperbolic three-manifolds, continued**Speaker:**Josh Barnard, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester@math.ou.edu### Friday, September 17, 2004 -- Karcher Special Lecture

**Announcement:**Algebraic string operations**Speaker:**Mahmoud Zeinalian, Long Island University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for A. Basmajian### Monday, September 20, 2004 -- Analysis Seminar

**Announcement:**Onofri and sharp Sobolev inequalities on $S^n$**Speaker:**Meijun Zhu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Meijun Zhu### Monday, September 20, 2004 -- Graduate Student Seminar

**Announcement:**Winners and Losers: Mathematical Prize Problems Viewed over 250 Years**Speaker:**Dr. David Rowe, University of Mainz (Germany)**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, September 21, 2004 -- Discrete Groups Seminar

**Announcement:**Examples of non-positively curved cubical complexes**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, direct e-mail to nbrady "at" math.ou.edu### Wednesday, September 22, 2004 -- Topology Seminar

**Announcement:**Maximal convergence groups and rank one symmetric spaces**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester@math.ou.edu### Friday, September 24, 2004 -- Representation Theory Seminar

**Announcement:**Categorical properties of supercuspidal representations**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for Alan Roche### Monday, September 27, 2004 -- Graduate Student Seminar

**Announcement:**The basics of Quiver Representations**Speaker:**Jerzy Weyman, Northeastern University, Boston**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, September 28, 2004 -- Discrete Groups Seminar

**Announcement:**Examples of non-positively curved cubical complexes II**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, direct e-mail to nbrady "at" math.ou.edu### Wednesday, September 29, 2004 -- Karcher Graduate Student and Faculty Colloqium

**Announcement:**Introduction to Representations of Quivers [Some Lecture Notes for the series of talks are available on-line.]**Speaker:**Jerzy Weyman, Northeastern University, Boston**Time & Place:**5:00 PM in PHSC 102**Tea at:**4:30 PM in PHSC 424 For more info, call 325-6711 and ask for K. Akin### Thursday, September 30, 2004 -- Karcher Colloquium

**Announcement:**Semi-invariants of Quiver Representations and the Klyachko Inequalities [Some Lecture Notes for the series of talks are available on-line.]**Speaker:**Jerzy Weyman, Northeastern University, Boston**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for K. Akin### Friday, October 1, 2004 -- Karcher Special Lecture

**Announcement:**Geometry of Orbit Closures for Dynkin Quivers [Some Lecture Notes for the series of talks are available on-line.]**Speaker:**Jerzy Weyman, Northeastern University, Boston**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for K. Akin### Monday, October 4, 2004 -- Graduate Student Seminar

**Announcement:**Calculators are our friends**Speaker:**Brandon Bettes, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, October 6, 2004 -- Topology Seminar

**Announcement:**Maximal convergence groups and rank one symmetric spaces (continued)**Speaker:**Ara Basmajian, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, direct e-mail to forester@math.ou.edu### Thursday, October 7, 2004 -- Karcher Colloquium

**Announcement:**Accuracy of one-bit quantization**Speaker:**Sinan Güntürk, Courant Institute of Mathematical Sciences (NYU)**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Özaydin### Friday, October 8, 2004 -- Karcher Seminar

**Announcement:**An improved bound on the cardinality of additive 2-bases for {0,...,n}**Speaker:**Sinan Güntürk, Courant Institute of Mathematical Sciences (NYU)**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Özaydin### Monday, October 11, 2004 -- Graduate Student Seminar

**Announcement:**Regular Polytopes**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, October 14, 2004 -- Karcher Colloquium

**Announcement:**Felix Hausdorff: Mathematician, Philosopher, Writer**Speaker:**David Rowe, University of Mainz (Germany)**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for L. Rubin### Friday, October 15, 2004 -- Representation Theory Seminar

**Announcement:**Saito-Kurokawa lifting -- Part I**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for Ralf Schmidt### Wednesday, October 20, 2004 -- Topology Seminar

**Announcement:**Maximal cusps on the boundary of Schottky space**Speaker:**David Wright, OSU/University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, October 21, 2004 -- Representation Theory Seminar

**Announcement:**Saito-Kurokawa lifting II**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**4:00 PM in PHSC 321 For more info, call 325-6711 and ask for Ralf Schmidt### Friday, October 22, 2004 -- Geometry Seminar

**Announcement:**Remarks on a theorem of Wu-Yi Hsiang concerning symmetric criticality**Speaker:**Professor Shihshu Walter Wei, University of Oklahoma**Time & Place:**3:30 PM in PHSC 321 For more info, call 325-6711 and ask for Walter Wei### Monday, October 25, 2004 -- Graduate Student Seminar

**Announcement:**Are finite spaces good examples in topology?**Speaker:**Andy Miller, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, October 27, 2004 -- Topology Seminar

**Announcement:**Maximal cusps on the boundary of Schottky space II**Speaker:**David Wright, OSU/University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Friday, October 29, 2004 -- Representation Theory Seminar

**Announcement:**Saito-Kurokawa lifting III**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for Ralf Schmidt### Monday, November 1, 2004 -- Analysis Seminar

**Announcement:**Hoelder continuity for solutions of elliptic problems**Speaker:**Ruediger Landes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, November 1, 2004 -- Graduate Student Seminar

**Announcement:**Prime Graphs**Speaker:**Chase Franks, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, November 4, 2004 -- Graduate Student and Faculty Colloqium

**Announcement:**Some problems in Global Differential Geometry**Speaker:**Wu-Yi Hsiang, UC Berkeley**Time & Place:**10:30 AM in PHSC 1105**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Shihshu Walter Wei### Thursday, November 4, 2004 -- Karcher Colloquium

**Announcement:**On the solution of sphere packing problem in dimension eight**Speaker:**Wu-Yi Hsiang, UC Berkeley**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Shihshu Walter Wei### Friday, November 5, 2004 -- Karcher Special Lecture

**Announcement:**On the volume formulas of multiple orthogonal cones in spherical and hyperbolic spaces**Speaker:**Wu-Yi Hsiang, UC Berkeley**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Shihshu Walter Wei### Monday, November 8, 2004 -- Analysis Seminar

**Announcement:**Hoelder continuity for solutions of elliptic problems**Speaker:**Ruediger Landes, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, November 8, 2004 -- Graduate Student Seminar

**Announcement:**Modular Forms**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, November 9, 2004 -- Discrete Groups Seminar

**Announcement:**Coxeter Groups II**Speaker:**Murad Özaydin, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, direct e-mail to nbrady "at" math.ou.edu### Wednesday, November 10, 2004 -- Topology Seminar

**Announcement:**Tunnel number one knots of genus one**Speaker:**Sangbum Cho, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, November 11, 2004 -- Karcher Colloquium

**Announcement:**Stability of solitary waves**Speaker:**Nghiem Nguyen, University of Oklahoma and Purdue University**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for John Albert### Friday, November 12, 2004 -- Representation Theory Seminar

**Announcement:**Matrix form of generators of primitive ideals in enveloping algebras.**Speaker:**Viktor Protsak, University of Oklahoma**Time & Place:**4:00 PM in PHSC 100 For more info, call 325-6711 and ask for V. Protsak### Monday, November 15, 2004 -- Graduate Student Seminar

**Announcement:**Frequency Response Analysis of Nonlinear Systems**Speaker:**Sean Crowell, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, November 16, 2004 -- Math Club Colloquium

**Announcement:**Counting primes**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**5:00 PM in TBA For more info, call 325-6711 and ask for A. Miller### Wednesday, November 17, 2004 -- Topology Seminar

**Announcement:**Tunnel number one knots of genus one (continued)**Speaker:**Sangbum Cho, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, November 18, 2004 -- Karcher Colloquium

**Announcement:**Experiments with irrational triangular billiards**Speaker:**Rich Schwartz, University of Maryland College Park**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Krishnan Shankar### Monday, November 22, 2004 -- Analysis Seminar

**Announcement:**Martel and Merle's proof of asymptotic stability of KdV solitons**Speaker:**John Albert, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Monday, November 22, 2004 -- Graduate Student Seminar

**Announcement:**Complex Complex Numbers**Speaker:**Darryl McCullough, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Monday, November 29, 2004 -- Graduate Student Seminar

**Announcement:**Boiling Water and Wave Fronts**Speaker:**Dr. Ruediger Landes, University of Oklahoma, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, December 1, 2004 -- Topology Seminar

**Announcement:**Surface subgroups of hyperbolizations of groups**Speaker:**Eduardo Martinez, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, December 2, 2004 -- Karcher Colloquium

**Announcement:**A Compactness Result for the Solutions of the Yamabe Equation.**Speaker:**Lei Zhang, University of Florida**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for M. Zhu### Monday, December 6, 2004 -- Analysis Seminar

**Announcement:**Sub- Riemannian Geometry on the Heisenberg Group**Speaker:**Yilong Ni, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ruediger Landes### Tuesday, December 7, 2004 -- Karcher Special Lecture

**Announcement:**CAT(0) cubical complexes in group theory**Speaker:**Michah Sageev, Technion and University of Utah**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, direct e-mail to nbrady "at" math.ou.edu### Wednesday, December 8, 2004 -- Karcher Seminar

**Announcement:**Hyperidentities in Algebra**Speaker:**Yui Movsisyan, Yerevan State University**Time & Place:**4:00 PM in TBA**Tea at:**3:30 PM in PHSC 809 For more info, call 325-6711 and ask for: A. Basmajian### Thursday, December 9, 2004 -- Karcher Colloquium

**Announcement:**Complex methods for real Lie groups**Speaker:**Robert Stanton, Ohio State University**Time & Place:**4:00 PM in PHSC 321**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Thursday, December 9, 2004 -- Karcher Seminar

**Announcement:**Analytic estimates of coefficients of automorphic functions**Speaker:**Robert Stanton, Ohio State University**Time & Place:**5:15 PM in PHSC 809 For more info, call 325-6711 and ask for T. Przebinda### Friday, December 10, 2004 -- Karcher Special Lecture

**Announcement:**Quadratic Forms and Modular Forms**Speaker:**Dr. W. Kohnen, University of Heidelberg Germany**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for R. Schmidt### Friday, December 10, 2004 -- Karcher Seminar

**Announcement:**A Maas Space in Higher Genus**Speaker:**Dr. W. Kohnen, University of Heidelberg Germany**Time & Place:**5:15 PM in PHSC 100 For more info, call 325-6711 and ask for R. Schmidt### Monday, December 13, 2004 -- Special Tea

**Announcement:**Math Tea for Greg Chamblee, Georgia Southern (ILAC faculty candidate)**Time & Place:**2:10-2:45 PM in PHSC 424 For more info, call 325-6711 and ask for Teri Jo Murphy### Monday, December 13, 2004 -- Geometry Seminar

**Announcement:**The geometry of p-harmonic morphisms**Speaker:**Yelin Ou, University of Oklahoma**Time & Place:**3:30 PM in PHSC 321 For more info, call 325-6711 and ask for Shihshu Walter Wei### Thursday, December 16, 2004 -- Special Tea

**Announcement:**Math Tea for Stacy Reeder, OSU (ILAC faculty candidate)**Time & Place:**2:10-2:45 PM in PHSC 424 For more info, call 325-6711 and ask for Teri Jo Murphy### Thursday, January 20, 2005 -- Karcher Colloquium

**Announcement:**Distributional estimates for the Carleson-Hunt operator and the bilinear Hilbert transform**Speaker:**Loukas Grafakos, University of Missouri, Columbia**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Friday, January 21, 2005 -- Representation Theory Seminar

**Announcement:**Localization in Number Theory**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ralf Schmidt### Friday, January 21, 2005 -- Karcher Seminar

**Announcement:**A class of Fourier multipliers for modulation space**Speaker:**Loukas Grafakos, University of Missouri, Columbia**Time & Place:**4:45 PM in PHSC 1105 For more info, call 325-6711 and ask for T. Przebinda### Monday, January 24, 2005 -- Graduate Student Seminar

**Announcement:**History of the French and the American (United States) Calculus Reform Movements**Speaker:**Steve Lancaster, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Friday, January 28, 2005 -- MathFest 2005

**Announcement:**see the Schedule of Events**Time & Place:**2:30-5:30 PM Friday, in PHSC 416**Tea at:**2:00 PM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Saturday, January 29, 2005 -- MathFest 2005

**Announcement:**see the Schedule of Events**Time & Place:**10:00-12:00 PM Saturday, in PHSC 416**Tea at:**10:30 AM in PHSC 423 For more information, call 325-6711 and ask for Anne Jones### Monday, January 31, 2005 -- Graduate Student Seminar

**Announcement:**The Gaussian Integers**Speaker:**William Herring, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, February 3, 2004 -- Faculty Candidate Talk

**Announcement:**TBA**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for Paula Killian### Friday, February 4, 2005 -- Representation Theory Seminar

**Announcement:**Modular forms and Hecke operators**Speaker:**Victor Protsak, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for V. Protsak### Monday, February 7, 2005 -- Graduate Student Seminar

**Announcement:**Division Rings**Speaker:**Dr. Alan Roche, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, February 8, 2004 -- Faculty Candidate Talk

**Announcement:**Some Applications of Displacement Convexity to PDEs**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for Paula Killian### Wednesday, February 9, 2005 -- Topology Seminar

**Announcement:**An Introduction to twisted face-pairing 3-manifolds**Speaker:**Max Forester, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, February 10, 2004 -- Faculty Candidate Talk

**Announcement:**Deforming mappings by Mean Curvature Flow**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for Paula Killian### Friday, February 11, 2005 -- Representation Theory Seminar

**Announcement:**Modular forms and Hecke operators (continued)**Speaker:**Victor Protsak, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for V. Protsak### Monday, February 14, 2005 -- Graduate Student Seminar

**Announcement:**Octonions and few Exceptional Groups**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, February 15, 2004 -- Faculty Candidate Talk

**Announcement:**Regularity of critical objects in dynamical systems: numerical methods and results**Speaker:**TBA**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:00 PM in PHSC 424 For more info, call 325-6711 and ask for Paula Killian### Wednesday, February 16, 2005 -- Topology Seminar

**Announcement:**An Introduction to twisted face-pairing 3-manifolds continued**Speaker:**Max Forester, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, February 17, 2005 -- Karcher Colloquium

**Announcement:**Sharp bounds for the exponent of convergence of a discrete quasiconformal group**Speaker:**Petra Bonfert-Taylor, Wesleyan University**Time & Place:**3:45 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for A. Basmajian### Thursday, February 17, 2005 -- Karcher Colloquium

**Announcement:**The quasiconformal homogeneity of hyperbolic manifolds**Speaker:**Ed Taylor, Wesleyan University**Time & Place:**5:00 PM in PHSC 1105**Tea at:**4:45 PM in PHSC 1105 For more info, call 325-6711 and ask for A. Basmajian### Friday, February 11, 2005 -- Representation Theory Seminar

**Announcement:**The L^2 Spectrum of GL(2)**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ralf Schmidt### Monday, February 21, 2005 -- Graduate Student Seminar

**Announcement:**Listening to Students**Speaker:**Dr. TJ Murphy, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, February 23, 2005 -- Topology Seminar

**Announcement:**Fundamental groups of twisted face-pairing 3-manifolds**Speaker:**Josh Barnard, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, February 24, 2005 -- FOCAS Distinguished Alumnus Lecture

**Announcement:**A Look at the Healthcare System in Oklahoma**Speaker:**Edward N. Brandt, University of Maryland College Park**Time & Place:**3:30 PM in Scholar's Room, Oklahoma Memorial Union For more info, call the College of Arts and Sciences at 325-2347### Friday, February 25, 2005 -- Karcher Special Lecture

**Announcement:**Invariant Tensor Product and Representation Theory**Speaker:**Hongyu He, Georgia State University**Time & Place:**3:45 p.m. in PHSC 1105**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for T. Przebinda### Monday, February 28, 2005 -- Graduate Student Seminar

**Announcement:**The kakeya's problem**Speaker:**Florent Bernon, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, March 1, 2005 -- Discrete Groups Seminar

**Announcement:**Duality in twisted face-pairing 3-manifolds**Speaker:**Josh Barnard, University of Oklahoma**Time & Place:**3:45 PM in PHSC 1105 For more info, call 325-6711 and ask for M. Forester### Wednesday, March 2, 2005 -- Karcher Special Lecture

**Announcement:**Classifying Anosov actions**Speaker:**Ralf Spatzier, University of Michigan**Time & Place:**3:45 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Ravi Shankar### Friday, March 4, 2005 -- Representation Theory Seminar

**Announcement:**The L^2 Spectrum of GL(2) - continued**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ralf Schmidt### Monday, March 7, 2005 -- Graduate Student Seminar

**Announcement:**The figure-8 knot**Speaker:**Josh Barnard, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, March 8, 2005 -- Discrete Groups Seminar

**Announcement:**Examples of twisted face-pairing 3-manifolds**Speaker:**Victor Protsak, University of Oklahoma**Time & Place:**3:45 PM in PHSC 1105 For more info, call 325-6711 and ask for V. Protsak### Wednesday, March 9, 2005 -- Topology Seminar

**Announcement:**Dehn functions for finitely presented groups**Speaker:**Ravi Shankar, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, March 10, 2005 -- Special Lecture

**Announcement:**History of Mathematics: Fall Course Preview**Speaker:**David Rowe, University of Mainz**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for P. Cross### Friday, March 11, 2005 -- Representation Theory Seminar

**Announcement:**The Satake isomorphism**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Alan Roche### Tuesday, March 22, 2005 -- Karcher Special Lecture

**Announcement:**Positive and non-negative curvature in the presense of symmetries I**Speaker:**Karsten Grove, University of Maryland College Park**Time & Place:**4:00 PM in Nielsen Hall A102**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for R. Shankar### Wednesday, March 23, 2005 -- Karcher Special Lecture

**Announcement:**Positive and non-negative curvature in the presense of symmetries II**Speaker:**Karsten Grove, University of Maryland College Park**Time & Place:**4:00 PM in PHSC 809**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for R. Shankar### Thursday, March 24, 2005 -- Karcher Special Lecture

**Announcement:**Positive and non-negative curvature in the presence of symmetries III**Speaker:**Karsten Grove, University of Maryland College Park**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for R. Shankar### Friday, March 25, 2005 -- Representation Theory Seminar

**Announcement:**The Satake isomorphism (continued)**Speaker:**Alan Roche, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Alan Roche### Monday, March 28, 2005 -- Graduate Student Seminar

**Announcement:**How tightly can you fold a sphere?**Speaker:**Catherine Searle, Universidad Autonoma de Mexico**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, March 31, 2005 -- Karcher Colloquium

**Announcement:**Measuring the 3-sphere modulo G**Speaker:**Catherine Searle, Universidad Autonoma de Mexico**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for G. Walschap### Friday, April 1, 2005 -- Representation Theory Seminar

**Announcement:**Representations of GL(2 R)**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Pedro Olaya### Monday, April 4, 2005 -- Graduate Student Seminar

**Announcement:**Perturbation of simple eigenvalues and simple invariant subspaces**Speaker:**Ravi Srinivasan, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, April 7, 2005 -- Karcher Colloquium

**Announcement:**Minimal surface and nonnegative curvature**Speaker:**Jiqiang Mei, Princeton University**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Yilong Ni### Friday, April 8, 2005 -- Representation Theory Seminar

**Announcement:**Representations of GL(2 R) continued**Speaker:**Pedro Olaya, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Pedro Olaya### Monday, April 11, 2005 -- Graduate Student Seminar

**Announcement:**Introduction to Lie Groups through Examples**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, April 13, 2005 -- Topology Seminar

**Announcement:**Coxeter groups, simple groups and hyperbolic 3-manifolds**Speaker:**Gareth Jones, University of Southampton**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for Darryl McCullough### Thursday, April 14, 2005 -- Karcher Colloquium

**Announcement:**Dessins d'enfants: maps, Riemann surfaces and Galois groups**Speaker:**Gareth Jones, University of Southampton**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Darryl McCullough### Friday, April 15, 2005 -- Representation Theory Seminar

**Announcement:**Global Representations of GL(2)**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ralf Schmidt### Monday, April 18, 2005 -- Analysis Seminar

**Announcement:**On the Nonlinear Schroedinger Equation**Speaker:**Leonid Dickey, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for R. Landes### Monday, April 18, 2005 -- Graduate Student Seminar

**Announcement:**What is Differential Geometry? It's Yesterday Today and Tomorrow.**Speaker:**Walter Wei, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Wednesday, April 20, 2005 -- Topology Seminar

**Announcement:**CAT(0) and CAT(-1) dimensions of torsion free hyperbolic groups**Speaker:**Noel Brady, University of Oklahoma**Time & Place:**3:45 PM in PHSC 809 For more info, call 325-6711 and ask for M. Forester### Thursday, April 21, 2005 -- Karcher Colloquium

**Announcement:**Spaces of Klein-Schottky Groups**Speaker:**Bernard Maskit, Stony Brook University**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for A. Basmajian### Friday, April 22, 2005 -- Representation Theory Seminar

**Announcement:**Tensor product theorem**Speaker:**Victor Protsak, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for V. Protsak### Monday, April 25, 2005 -- Analysis Seminar

**Announcement:**The maximality algorithm for bisimilar linear control systems**Speaker:**Laura Munteanu, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for R. Landes### Monday, April 25, 2005 -- Graduate Student Seminar

**Announcement:**The Search for Infinity**Speaker:**Leonard Rubin, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Thursday, April 28, 2005 -- Karcher Colloquium

**Announcement:**Equivariant Monopole Homology for rational homology 3-spheres**Speaker:**Weiping Li, Oklahoma State University**Time & Place:**4:00 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Walter Wei### Friday, April 29, 2005 -- Ph.D. Dissertation Defense

**Announcement:**Data-model synthesis in terrestrial ecosystem modeling: inverse analysis and inverse uncertainity analysis**Speaker:**Tao Xu, University of Oklahoma**Time & Place:**3:15 PM in PHSC 928 For more info, call 325-6711 and ask for T. Xu### Monday, May 2, 2005 -- Representation Theory Seminar

**Announcement:**Modular Forms and Representations**Speaker:**Ralf Schmidt, University of Oklahoma**Time & Place:**3:30 PM in PHSC 1105 For more info, call 325-6711 and ask for Ralf Schmidt### Monday, May 2, 2005 -- Graduate Student Seminar

**Announcement:**An appetizer to p-adic numbers and Algebraic Geometry**Speaker:**Camilo Sanabria, University of Oklahoma**Time & Place:**5:00 PM in PHSC 809 For more info, call 325-6711 and ask for T. Mecham### Tuesday, May 3, 2005 -- Ph.D. Dissertation Defense

**Announcement:**p-Harmonic Morphisms Minimal Foliations and Conformal Deformations of Metrics**Speaker:**Ye-Lin Ou, University of Oklahoma**Time & Place:**3:30 PM in PHSC 225 For more info, call 325-6711 and ask for Y. Ou### Thursday, May 5, 2005 -- Karcher Colloquium

**Announcement:**What can we do with the Nash embedding theorem?**Speaker:**Bang-Yen Chen, Michigan State University**Time & Place:**3:45 PM in PHSC 359**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Walter Wei### Thursday, May 5, 2005 -- Karcher Special Lecture

**Announcement:**A construction method and some classification theorems for Lagrangian surfaces.**Speaker:**Bang-Yen Chen, Michigan State University**Time & Place:**5:00 PM in PHSC 1105**Tea at:**4:45 PM in PHSC 424 For more info, call 325-6711 and ask for Walter Wei### Friday, May 6, 2005 -- Karcher Seminar

**Announcement:**A survey on finite type and biharmonic submanifolds.**Speaker:**Bang-Yen Chen, Michigan State University**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for Walter Wei### Thursday, May 26, 2005 -- Karcher Colloquium

**Announcement:**Diffusion in Deforming Porous Media**Speaker:**Ralph Showalter, Oregon State University**Time & Place:**4:00 PM in PHSC 100**Tea at:**3:30 PM in PHSC 424 For more info, call 325-6711 and ask for R. Landes