Karcher Colloquium

The Karcher Colloquium normally meets in PHSC 1105 on Thursdays at 4:00pm. It is normally preceded by tea at 3:30pm in PHSC 424. For more information about the colloquium, contact Justin Malestein.

Spring 2026

February 19
4:00pm (CST)
PHSC 1105

Wolfgang Ziller
University of Pennsylvania

Torus actions on 5-dimensional manifolds

Fall 2025

October 2 4:00pm (CDT) PHSC 1105	Luca Di Cerbo University of Florida	Curvature, Macroscopic Dimensions, and Symmetric Products of Curves
October 30 4:00pm (CDT) PHSC 1105	Angela Pasquale Université de Lorraine, Metz, France	What is the metaplectic group?
November 7 3:30pm (CST) PHSC 1105	Ashay A. Burungale University of Texas at Austin	An invitation to the BSD conjecture
December 4 4:00pm (CST) PHSC 1105	Peter McGrath NCSU	Extremal Domains for the First Eigenvalue of the Laplacian

Show semesters preceding Spring 2026

February 20 4:00pm (CST) PHSC 1105	Spencer Dowdall Vanderbilt University	Geometric finiteness in mapping class groups: examples and perspectives
February 27 4:00pm (CST) PHSC 1105	Chenxi Wu University of Wisconsin-Madison	Dynamical Zeta functions for polynomials and rational maps
March 27 4:00pm (CDT) PHSC 1105	Chris Heil Georgia Institute of Technology	Music, Time-Frequency Shifts, and Linear Independence
March 27 4:00pm (CDT) PHSC 1105	Christopher Heil Georgia Institute of Technology	Music, Time-Frequency Shifts, and Linear Independence
March 28 3:00pm (CDT) PHSC 1105	David Rowe University of Mainz	Emmy Noether (1882-1935): Mathematician Extraordinaire
April 3 4:00pm (CDT) PHSC 1105	Deguang Han University of Central Florida	Gabor Analysis and Duality of Group Representations
April 10 4:00pm (CDT) PHSC 1105	Stephen Terry Department of Economics, University of Michigan	Krusell-Smith Problems
April 17 4:00pm (CDT) PHSC 1105	Eduardo Reyes Yale University	Deformation spaces of isometric group actions
April 24 4:00pm (CDT) PHSC 1105	Dick Canary University of Michigan	An invitation to Anosov representations
May 1 4:00pm (CDT) PHSC 1105	Lorena Bociu North Carolina State University	Multiscale Interface Couplings of PDEs and ODEs for Tissue Perfusion
May 8 4:00pm (CDT) PHSC 1105	Hung Yean loke National University of Singapore	Exceptional Complex Dual Pair Correspondences

September 5 4:00pm (CDT) PHSC 1105	Hiroaki Narita Waseda University, Tokyo, Japan	Automorphic forms generating quaternionic discrete series representations
September 19 4:00pm (CDT) PHSC 1105	Brett Kotschwar Arizona State University	Noncompact shrinking Ricci solitons and their asymptotic geometry
October 3 4:00pm (CDT) PHSC 1105	Ara Basmajian CUNY Graduate Center	Geometry and topology of big surfaces
October 10 4:00pm (CDT) PHSC 1105	Ken Richardson TCU	Submanifolds and heat flow
October 31 4:00pm (CDT) PHSC 1105	Denis Osin Vanderbilt	Generic Cayley graphs of countable groups
November 8 4:00pm (CST) PHSC 1105	Roland Roeder IUI	Natural group action dynamics on a family of cubic surfaces: real and complex
November 14 4:00pm (CST) PHSC 1105	Christopher Henderson University of Arizona	Understanding long-time behavior: new approaches to understanding stability

January 25 4:00pm (CST) PHSC 1105	John Bergdall University of Arkansas	Some distributions arising in algebra and number theory
February 1 4:00pm (CST) PHSC 1105	Mara Pompili University of Gratz	Factorizations of elements of upper cluster algebras
February 8 4:00pm (CST) PHSC 1105	Fabrizio Bianchi University of Pisa	A Spectral Gap for the Transfer Operator on Complex Projective Spaces
February 15 4:00pm (CST) PHSC 1105	Jeremy Miller Purdue University	Uniform twisted homological stability and moments of quadratic L-functions
February 23 4:00pm (CST) PHSC 1105	Rosa Orellana Dartmouth College	Encoding graphs with the chromatic symmetric function
February 29 4:00pm (CST) PHSC 1105	Mike Davis The Ohio State University	Coxeter groups, Artin groups and buildings
March 14 4:00pm (CDT) PHSC 1105	Damian Osajda University of Copenhagen	Locally elliptic actions on nonpositively curved space
April 4 4:00pm (CDT) PHSC 1105	Ronghua Pan Georgia Institute of Technology	Rayleigh-Taylor instability and beyond
April 11 4:00pm (CDT) PHSC 1105	Andrew Knightly University of Maine	Statistical properties of elliptic curves and modular forms
April 18 4:00pm (CDT) PHSC 1105	Ilya Krishtal Northern Illinois University	Prony’s method meets spectral theory
April 23 4:00pm (CDT) PHSC 1105	Alex Powell Vanderbilt University	Iteratively consistent quantized phase retrieval
April 25 4:00pm (CDT) PHSC 1105	Bhargav Karamched Florida State University	Stochastic switching of delayed feedback suppresses oscillations in genetic regulatory systems
May 2 4:00pm (CDT) PHSC 1105	Jerzy Weyman Jagiellonian University	The structure of finite free resolutions

October 2 4:30pm (CDT) PHSC 1105	Joachim Hilgert University Paderborn	Spectral correspondences for graphs
October 13 3:30pm (CDT) PHSC 108	Ellen Eischen University of Oregon	Creating Clarity from Confusion: Three Lessons from Number Theory
November 2 4:00pm (CDT) PHSC 1105	Angela Pasquale University of Lorraine, France	Symmetry breaking operators and reductive dual pairs with one compact member
November 8 4:00pm (CST) PHSC 1105	Sarah Koch University of Michigan	Dynamical data: from algebra to topology
November 16 4:00pm (CST) PHSC 1105	Jiahong Wu University of Notre Dame	Stabilizing phenomenon for incompressible fluids
December 7 4:00pm (CST) PHSC 1105	Junfang Li University of Alabama at Birmingham	Sharp geometric inequalities and their applications

March 2 4:00pm (CST) PHSC 1105	Aaron Brown Northwestern University	Lattice actions on manifolds
March 9 4:00pm (CST) PHSC 1105	Tullia Dymarz University of Wisconsin, Madison	A matrix model for random nilpotent groups
March 23 4:00pm (CDT) PHSC 1105	Keith Burns Northwestern University	Uniqueness of the measure of maximal entropy for geodesic flows on surfaces with caps
April 13 4:00pm (CDT) PHSC 1105	Qing Han University of Notre Dame	Regularity of singular solutions of differential equations

Karcher Colloquium

Spring 2026

Fall 2025

Spring 2025

Fall 2024

Spring 2024

Fall 2023

Spring 2023

Fall 2022

Spring 2022

Fall 2021

Spring 2021

Fall 2020

Spring 2020

Fall 2019

Spring 2019

Fall 2018

Spring 2018

Fall 2017

Spring 2017

Fall 2016

Spring 2016

Fall 2015

Spring 2015

Fall 2014

Spring 2014

Fall 2013

Spring 2013

Fall 2012

September 29 4:00pm (CDT) PHSC 1105	Christina Frederick New Jersey Institute of Technology	An invitation to Gabor Analysis and the frame set problem
October 5 4:00pm (CDT) PHSC 1105	Fabrizio Bianchi CNRS - University of Lille	Holomorphic motions of Julia sets: dynamical stability from one to several complex variables
October 6 4:00pm (CDT) PHSC 1105	Andrew Snowden University of Michigan	Representations of oligomorphic groups
October 27 4:00pm (CDT) PHSC 1105	Jean-Francois Lafont Ohio State University	Strict hyperbolizations produce linear groups
November 3 4:00pm (CDT) PHSC 1105	Angela Pasquale University of Lorraine, Metz, France	The resonances of the Capelli operators for small split orthosymplectic dual pairs
November 8 5:00pm (CST) PHSC 1105	Cecilia Mateu Universidad de la República, Uruguay	Galactic vibrations and waves: Tracing the Milky Way disc’s warp at differnet ages with variable stars
November 9 4:00pm (CST) PHSC 1105	David Plaxco Clayton State University	A Case for Explicitly Supporting Playful Dispositions in Upper-Level Mathematics
November 17 4:00pm (CST) Zoom	Michael Lesnick SUNY Albany	Stability of 2-Parameter Persistent Homology

March 10 4:00pm (CST) Zoom	Der-Chen Chang Georgetown University	∂̅-Neumann Problem
April 7 4:00pm (CDT) PHSC 1105	Yilun (Allen) Wu University of Oklahoma	Existence of Rotating Star Solutions with Variable Entropy
April 28 4:00pm (CDT) PHSC 1105	Andrew Putman University of Notre Dame	The Steinberg representation

April 15 5:00pm (CDT) Zoom	Kimball Martin University of Oklahoma	Quadratic forms and quaternions
April 22 5:00pm (CDT) Zoom	Justin Malestein University of Oklahoma	Bars and Joints
April 29 5:00pm (CDT) Zoom	Ameya Pitale University of Oklahoma	L-functions and applications

February 20 3:00pm (CST) PHSC 1105	Emily Stark University of Utah	The Geometry of Hyperbolic Groups
February 27 4:00pm (CST) PHSC 1105	Angela Pasquale University of Lorraine, France	Howe correspondence and orbital integrals on a symplectic space.
March 10 4:00pm (CDT) PHSC 1105	Luis Carlos García Lirola Kent State University	Stability of Lipschitz-type functions under pointwise product and reciprocation

September 5 4:00pm (CDT) PHSC 1105	Jacob Matherne IAS and University of Oregon	Two problems about hyperplane arrangements
September 9 4:30pm (CDT) PHSC 1105	David Rowe University of Mainz	Emmy Noether: Theorems on Conservation Laws
September 26 4:00pm (CDT) PHSC 1105	Christopher Cashen University of Vienna	'Paging Dr. Frankenstein’; or, how to build monsters
November 8 4:00pm (CST) PHSC 1105	Diana Davis Swarthmore University	Periodic paths on the pentagon
December 6 3:30pm (CST) PHSC 1105	Louis Theran University of St. Andrews	Global rigidity of graphs, with and without graphs

January 17 4:00 PM (CST) PHSC 1105	Hongkun Zhang University of Massachusetts, Amherst MA	Abnormal diffusions of various configurations of gas molecules
March 7 4:00 PM (CST) PHSC 1105	Ryan Vinroot College of William and Mary	Some results and a conjecture on finite simple groups
April 11 4:00 PM (CDT) PHSC 1105	Liming Sun Johns Hopkins	Yamabe problem on compact manifolds with boundary
May 5 4:00 PM (CDT) PHSC 1105	Allan Merino National University of Singapore	Duality for the Pin Representation
May 9 4:00 PM (CDT) PHSC 1105	Allan Merino National University of Singapore	Duality for the Pin Representation

October 11 4:00 PM (CDT) PHSC 1105	Anne-Marie Aubert Directrice de Recherches au CNRS, Institut de Mathématiques de Jussieu , Paris, France	Cuspidality and beyond
November 8 4:00 PM (CST) PHSC 809	Mei Yin University of Denver	A gentle introduction to exponential random graphs
December 13 4:00 PM (CST) PHSC 1105	Ronnie Sebastian Indian Institute of Technology Bombay, India	Voevodsky's smash nilpotence conjecture

January 19 4:00 PM (CST) PHSC 809	John Harvey	Equivariant Alexandrov geometry via Palais's classification of group actions.
February 15 4:00 PM (CST) PHSC 1105	Mark Embree Virginia Tech	Spectral Calculations for Schroedinger Operators with Quasiperiodic Potentials
March 8 4:00 PM (CST) PHSC 1105	Alexander Alldridge UC Berkeley	Supersymmetry and Harmonic Analysis
March 15 4:00 PM (CDT) PHSC 1105	Abhishek Saha Queen Mary University of London	Analytic aspects of automorphic forms
April 9 4:00 PM (CDT) PHSC 1105	Wenxiong Chen Yeshiva University	CLASSIFICATION OF SOLUTIONS FOR A CRITICAL ORDER EQUATION AND ITS GEOMETRIC APPLICATIONS
April 12 4:00 PM (CDT) PHSC 1105	Wenxiong Chen Yeshiva University	CLASSIFICATION OF SOLUTIONS FOR A CRITICAL ORDER EQUATION AND ITS GEOMETRIC APPLICATIONS
April 19 4:00 PM (CDT) PHSC 1105	Eugenia Rosu University of Arizona	Integers that can be written as the sum of two cubes
April 26 4:00 PM (CDT) PHSC 1105	Angela Pasquale	A look at some aspects of Harmonic analysis on semisimple symmetric spaces.

August 24 4:00 PM (CDT) PHSC 1105	Ricardo Mendes Cologne	Invariant Theory without groups
September 28 4:00 PM (CDT) PHSC 1105	Troy Schaudt Wolfram Research, Inc.	Wolfram Technologies in Education and Research
October 12 4:00 PM (CDT) PHSC 1105	Tommaso de Fernex University of Utah	The link of an isolated singularity: characterizing smoothness.
October 19 4:00 PM (CDT) PHSC 1105	Zhihong Jeff Xia Department of Mathematics, Northwestern University	Dynamics and Invariant Foliations
November 2 4:00 PM (CDT) PHSC 1105	Keaton Hamm Vanderbilt University	Data Clustering Algorithms
November 9 4:00 PM (CST) PHSC 1105	Baskar Balasubramanyam IISER, Pune, India/UCLA	Special values of L-functions
November 14 4:00 PM (CST) PHSC 1105	Monica VanDieren Robert Morris University	Model Theory of Abstract Elementary Classes
November 21 4:00 PM (CST) PHSC 809	Professor Yuxin Dong Fudan University, China	On Eells-Sampson type theorems for subelliptic harmonic maps.
November 30 4:00 PM (CST) PHSC 1105	Bharath Sriraman University of Montana – Missoula	Imre Lakatos and Mathematical Pathologies

February 23 4:00 PM (CST) PHSC 1105	Hung Yean Loke	Local Theta Correspondences Of Supercuspidal Representations
March 2 4:00 PM (CST) PHSC 1105	Fang Wang Capital Normal University, China	The Lagrangian systems on compact manifolds with complicated topological structure
March 9 4:00 PM (CST) PHSC 1105	Ken Bromberg University of Utah	Renormalized volume for hyperbolic 3-manifolds
April 11 4:00 PM (CDT) PHSC 809	Marco Radeschi University of Notre Dame	Minimal hypersurfaces in symmetric spaces.
April 13 4:00 PM (CDT) PHSC 1105	Professor Xiaochun Rong Rutgers University	Quantitative maximal local rewinding volume rigidity with Ricci curvature bounded below
April 27 4:00 PM (CDT) PHSC 1105	Claus Sorensen UCSD	New avenues for the Langlands program
May 4 4:00 PM (CDT) PHSC 1105	Kim Ruane Tufts University	A Convex “Un-Combination” Theorem with Applications

September 22 4:00 PM (CDT) PHSC 1105	Dave Auckly Kansas State University	Seeing the difference between the topological and smooth worlds
October 27 4:00 PM (CDT) PHSC 1105	Wolfgang Ziller University of Pennsylvania	What do manifolds look like
November 3 4:00 PM (CDT) PHSC 1105	Robert Muth Tarleton State University	Imaginary Schur-Weyl Duality
November 10 4:00 PM (CST) PHSC 1105	Marc Hoffmann CEREMADE, University of Paris-Dauphine	A tentative definition of statistical inference across scales.
November 15 4:00 PM (CST) PHSC 1105	Jordan Schettler San José State University	Elliptic Curves and Rational Hyperbolic Triangles
November 17 4:00 PM (CST) PHSC 1105	Oleg R. Musin Univ of Texas Rio Grande Valley	The kissing number and related problems

January 22 4:00 PM (CST) PHSC 809	Nahid Walji University of Zurich	Large positive and negative Hecke eigenvalues for Maass forms
February 18 4:00 PM (CST) PHSC 1105	Professor Bing-Ye Wu Washington University, St Louis and Minjiang University, China	Finsler Submanifolds: From Viewpoint of Chern Connection
February 23 3:30 PM (CST) PHSC 1105	Jitka Stehnova University of Chicago	University of Chicago Undergraduate Mathematics Program: Structure and Leadership
February 25 4:00 PM (CST) PHSC 809	Andrew Putman Rice University	The topology of lattices
March 24 4:00 PM (CDT) PHSC 1105	Ed Dubinsky	APOS THEORY AND ISETL: Teaching and Learning Abstract Algebra
March 31 4:00 PM (CDT) PHSC 1105	Gunter Stolz University of Alabama at Birmingham	Can we (mathematicians) understand quantum many-body transport?
April 7 4:00 PM (CDT) PHSC 1105	Efton Park Texas Christian University	Unitary Equivalence of Normal Matrices over Topological Spaces
April 14 4:00 PM (CDT) PHSC 1105	Dan Freeman St Louis University	Coordinate systems formed by translations of a single function in L_p(R)
April 26 4:00 PM (CDT) PHSC 1105	Dr. Nathan Wakefield University of Nebraska, Lincoln	The Role of Faculty in Introductory Mathematics Course Redesign at the University of Nebraska-Lincoln

September 24 4:00 PM (CDT) PHSC 1105	Keith Weber Rutgers University	Some reasons that students do not learn from lectures in advanced mathematics
October 1 4:00 PM (CDT) PHSC 809	Camille Horbez University of Utah	Growth under random products of automorphisms
October 22 4:00 PM (CDT) PHSC 1105	Jonny Comes College of Idaho	Brauer diagrams and representation theory in complex rank
October 29 4:00 PM (CDT) PHSC 1105	Angela Pasquale Universite' de Lorraine	Differential operators, radial components and homogeneous vector bundles
November 12 4:00 PM (CST) PHSC 1105	Andrey Vesnin Russian Acad. Sci. and Univ. of Indiana	On complexity and Turaev-Viro invariants of 3-manifolds
November 19 4:00 PM (CST) PHSC 1105	Marilyn Carlson Arizona State University	A Research-Based Approach for Improving Precalculus Teaching and Learning
November 20 4:00 PM (CST) PHSC 1105	Colm Mulcahy Spelman College, Atlanta, GA	Martin Gardner, The Best Friend Mathematics Ever Had
December 10 4:00 PM (CST) PHSC 1105	Catherine Searle Wichita State University	Lower curvature bounds and symmetries

January 30 4:00 PM (CST) PHSC 1105	Igor Rapinchuk Harvard University	Abstract homomorphisms of algebraic groups
March 12 3:00 PM (CDT) PHSC 1105	Maxim Zinchenko University of New Mexico	Chebyshev Polynomials on Subsets of the Real Line
March 27 4:00 PM (CDT) PHSC 1105	Jennifer Johnson-Leung University of Idaho	Modularity of Abelian Surfaces
April 2 4:00 PM (CDT) PHSC 1105	Thomas Koberda Yale	RAAGs, diffeomorphisms, and geometry
April 9 4:30 PM (CDT) PHSC 1105	Susan Espinoza and Gary Whalen Cengage Learning	Features and options available with the Stewart calculus textbook
April 16 4:00 PM (CDT) PHSC 1105	Yulong Xing University of Tennessee and Oak Ridge National Lab	Discontinuous Galerkin methods for the shallow water equations
April 21 4:00 PM (CDT) PHSC 1105	Benjamin Linowitz University of Michigan	You cannot hear the shape of a hyperbolic drum
April 30 4:00 PM (CDT) PHSC 1105	Ralph Showalter Oregon State University	Variational Problems and Mixed Formulations

September 18 4:00 PM (CDT) PHSC 1105	Stacy Brown California State Polytechnic University, Pomona	When Thought Takes Wings: A Study of Students’ Hypothetico-Deductive Thought
September 25 4:00 PM (CDT) PHSC 1105	Ryan Vinroot College of William and Mary	The Combinatorics of Character Degrees
October 23 4:00 PM (CDT) PHSC 1105	Carolyn Gordon Dartmouth College	Hearing the Shapes of Manifolds: a Partial Survey
October 30 4:00 PM (CDT) PHSC 1105	Angela Pasquale Universite de Lorraine - Metz, France	Poisson transforms, symmetric spaces, and applications
November 13 4:00 PM (CST) PHSC 1105	Scott Kaschner University of Arizona	Rational Map of CP² with equal dynamical degrees and no invariant foliation
November 21 4:00 PM (CST) PHSC 1105	Henry Segerman Oklahoma State University	Design of 3D printed mathematical art
December 11 4:00 PM (CST) PHSC 1105	A. Raghuram IISER Pune, India	From Calculus to Number Theory via Cohomology

January 23 4:00 PM (CST) PHSC 809	Kasra Rafi University of Oklahoma/Toronto	Counting Problems and Teichmueller geodesic flow
February 13 4:00 PM (CST) PHSC 809	Mark Feighn Rutgers-Newark	The geometry of Out(F_n)
February 27 4:00 PM (CST) PHSC 1105	Mark Hagen University of Michigan	Walls
March 6 4:00 PM (CST) PHSC 1105	Yifeng Liu MIT	Heegner points and arithmetic of elliptic curves
March 13 4:00 PM (CDT) PHSC 1105	Rudy Horne Morehouse College	Parity-Time (PT) Symmetric Systems: An analysis of dimer and trimer models
April 3 4:00 PM (CDT) PHSC 1105	Chi-Wang Shu Division of Applied Mathematics, Brown University	High order numerical methods for convection dominated problems
April 10 4:00 PM (CDT) PHSC 1105	Yang Wang Michigan State University	A Mathematical Study of Authorship Attribution
May 1 4:00 PM (CDT) PHSC 1105	Radhika Ganapathy University of British Columbia	On the local Langlands correspondence

September 5 4:00 PM (CDT) PHSC 1105	Christopher Drupieski DePaul University	What is a cohomology ring, and why should I care if it is finitely-generated?
September 12 4:00 PM (CDT) PHSC 1105	Michele Mulazzani Univ. of Bologna/Italy	Compact 3-manifolds via 4-colored graphs
September 19 4:00 PM (CDT) PHSC 1105	Annie Selden New Mexico State University	Helping Students with Proving: A Tale of Two Whole Class Teaching Experiments
September 26 4:00 PM (CDT) PHSC 809	Danny Calegari University of Chicago	Most groups contain surface subgroups
October 3 4:00 PM (CDT) PHSC 1105	Sug Woo Shin MIT	Families of automorphic representations and families of algebraic varieties
October 18 4:00 PM (CDT) PHSC 1105	Mei-Chi Shaw University of Notre Dame	LEVI-FLAT HYPERSURFACES IN COMPLEX MANIFOLDS
October 24 4:00 PM (CDT) PHSC 1105	Angela Pasquale Universite de Lorraine - Metz	Meromorphic continuation of the resolvent of the Laplace operator on Riemannian symmetric spaces
October 31 4:00 PM (CDT) PHSC 1105	Shuichiro Takeda University of Missouri	Construction of automorphic representations
December 5 4:00 PM (CST) PHSC 1105	Raul Gomez Cornell University	On a conjecture of Sakellaridis-Venkatesh on the unitary spectrum of spherical varieties

February 28 4:00 PM (CST) PHSC 809	Martin Kerin University of Muenster	The Gromoll--Meyer exotic 7-sphere
February 28 4:00 PM (CST) PHSC 809	Martin Kerin University of Muenster	The Gromoll-Meyer exotic 7-sphere
March 7 4:00 PM (CST) PHSC 1105	Andrew Knightly University of Maine	Trace formula 101
March 14 4:00 PM (CDT) PHSC 1105	Garrett Alston Kansas State University	"Lagrangian Floer Theory"
March 28 4:00 PM (CDT) PHSC 1105	Longzhi Lin Rutgers University	Uniformity of harmonic map heat flow at infinite time
April 4 4:00 PM (CDT) PHSC 1105	Sean Paul University of Wisconsin	From Semi Stable Pairs to Canonical Kahler Metrics on Algebraic Manifolds
April 11 4:00 PM (CDT) PHSC 1105	Dr. Aaron Smith University of Waterloo	Multiholomorphic Mappings: a higher geometric framework for generalizing the theory of pseudoholomorphic curves.
April 18 4:00 PM (CDT) PHSC 1105	Joachim Hilgert University of Padeborn, Germany	Fock spaces and small representations
April 25 4:00 PM (CDT) PHSC 809	Mladen Bestvina University of Utah	Hyperbolicity in mapping class groups
May 2 4:00 PM (CDT) PHSC 1105	Angela Pasquale Universite de Lorraine - Metz	Uncertainty principles for the Schroedinger equation on Riemannian symmetric spaces of the noncompact type

August 30 4:00 PM (CDT) PHSC 1105	Dr. Siraj Uddin University of Malaya, Malaysia	Geometry of warped product semi-slant submanifolds of a nearly cosymplectic manifold
September 13 4:00 PM (CDT) PHSC 1105	Lee Kennard UC Santa Barbara	Applications of the Steenrod algebra to positive curvature.
September 27 4:00 PM (CDT) PHSC 1105	Winnie Li Penn State University	Zeta functions in combinatorics and number theory
October 18 4:00 PM (CDT) PHSC 1105	Muge Kanuni Er Bogazici University	An overview of some algebras over discrete structures
November 1 4:00 PM (CDT) PHSC 1105	Angela Pasquale Universite de Lorraine - Metz, France	Analytic and Group - Theoretic Aspects of the Cosine Transform
November 8 4:00 PM (CST) PHSC 1105	Ravi Kulkarni Indian Inst. of Technology Bombay	Algorithmic construction of representations of finite solvable groups
November 12 4:30 PM (CST) Nielsen Hall 270	Professor Wu-Yi Hsiang University of California at Berkeley	Symmetry and Least Action Principle (i.e. Optimality)
November 29 4:00 PM (CST) PHSC 1105	Yelin Ou Texas A & M University-Commerce	Some recent work on biharmonic maps and biharmonic submanifolds
December 6 4:00 PM (CST) PHSC 1105	Ray Yang	Higher order extensions for the fractional Laplacian