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.
Fall 2019
December 6
3:30 PM PHSC 1105 |
Louis Theran
University of St. Andrews | Global rigidity of graphs, with and without graphs |
November 8
4:00 PM PHSC 1105 |
Diana Davis
Swarthmore University | Periodic paths on the pentagon |
September 26
4:00 PM PHSC 1105 |
Christopher Cashen
University of Vienna | 'Paging Dr. Frankenstein’; or, how to build monsters |
September 9
4:30 PM PHSC 1105 |
David Rowe
University of Mainz | Emmy Noether: Theorems on Conservation Laws |
September 5
4:00 PM PHSC 1105 |
Jacob Matherne
IAS and University of Oregon | Two problems about hyperplane arrangements |
Spring 2019
May 9
4:00 PM PHSC 1105 |
Allan Merino
National University of Singapore | Duality for the Pin Representation |
May 5
4:00 PM PHSC 1105 |
Allan Merino
National University of Singapore | Duality for the Pin Representation |
April 11
4:00 PM PHSC 1105 |
Liming Sun
Johns Hopkins | Yamabe problem on compact manifolds with boundary |
March 7
4:00 PM PHSC 1105 |
Ryan Vinroot
College of William and Mary | Some results and a conjecture on finite simple groups |
January 17
4:00 PM PHSC 1105 |
Hongkun Zhang
University of Massachusetts, Amherst MA | Abnormal diffusions of various configurations of gas molecules |
Show semesters preceding Spring 2019
Fall 2018
December 13
4:00 PM PHSC 1105 |
Ronnie Sebastian
Indian Institute of Technology Bombay, India | Voevodsky's smash nilpotence conjecture |
November 8
4:00 PM PHSC 809 |
Mei Yin
University of Denver | A gentle introduction to exponential random graphs |
November 8
4:00 PM PHSC 809 |
Mei Yin
University of Denver | A gentle introduction to exponential random graphs |
October 11
4:00 PM PHSC 1105 |
Anne-Marie Aubert
Directrice de Recherches au CNRS, Institut de Mathématiques de Jussieu , Paris, France | Cuspidality and beyond |
Spring 2018
April 26
4:00 PM PHSC 1105 |
Angela Pasquale
| A look at some aspects of Harmonic analysis on semisimple symmetric spaces. |
April 19
4:00 PM PHSC 1105 |
Eugenia Rosu
University of Arizona | Integers that can be written as the sum of two cubes |
April 12
4:00 PM PHSC 1105 |
Wenxiong Chen
Yeshiva University | CLASSIFICATION OF SOLUTIONS FOR A CRITICAL ORDER EQUATION AND ITS GEOMETRIC APPLICATIONS |
April 9
4:00 PM PHSC 1105 |
Wenxiong Chen
Yeshiva University | CLASSIFICATION OF SOLUTIONS FOR A CRITICAL ORDER EQUATION AND ITS GEOMETRIC APPLICATIONS |
March 15
4:00 PM PHSC 1105 |
Abhishek Saha
Queen Mary University of London | Analytic aspects of automorphic forms |
March 8
4:00 PM PHSC 1105 |
Alexander Alldridge
UC Berkeley | Supersymmetry and Harmonic Analysis |
February 15
4:00 PM PHSC 1105 |
Mark Embree
Virginia Tech | Spectral Calculations for Schroedinger Operators with Quasiperiodic Potentials |
January 19
4:00 PM PHSC 809 |
John Harvey
| Equivariant Alexandrov geometry via Palais's classification of group actions. |
Fall 2017
November 30
4:00 PM PHSC 1105 |
Bharath Sriraman
University of Montana – Missoula | Imre Lakatos and Mathematical Pathologies |
November 21
4:00 PM PHSC 809 |
Professor Yuxin Dong
Fudan University, China | On Eells-Sampson type theorems for subelliptic harmonic maps. |
November 14
4:00 PM PHSC 1105 |
Monica VanDieren
Robert Morris University | Model Theory of Abstract Elementary Classes |
November 9
4:00 PM PHSC 1105 |
Baskar Balasubramanyam
IISER, Pune, India/UCLA | Special values of L-functions |
November 2
4:00 PM PHSC 1105 |
Keaton Hamm
Vanderbilt University | Data Clustering Algorithms |
October 19
4:00 PM PHSC 1105 |
Zhihong Jeff Xia
Department of Mathematics, Northwestern University | Dynamics and Invariant Foliations |
October 12
4:00 PM PHSC 1105 |
Tommaso de Fernex
University of Utah | The link of an isolated singularity: characterizing smoothness. |
September 28
4:00 PM PHSC 1105 |
Troy Schaudt
Wolfram Research, Inc. | Wolfram Technologies in Education and Research |
August 24
4:00 PM PHSC 1105 |
Ricardo Mendes
Cologne | Invariant Theory without groups |
Spring 2017
May 4
4:00 PM PHSC 1105 |
Kim Ruane
Tufts University | A Convex “Un-Combination” Theorem with Applications |
April 27
4:00 PM PHSC 1105 |
Claus Sorensen
UCSD | New avenues for the Langlands program |
April 13
4:00 PM PHSC 1105 |
Professor Xiaochun Rong
Rutgers University | Quantitative maximal local rewinding volume rigidity with Ricci curvature bounded below |
April 11
4:00 PM PHSC 809 |
Marco Radeschi
University of Notre Dame | Minimal hypersurfaces in symmetric spaces. |
March 9
4:00 PM PHSC 1105 |
Ken Bromberg
University of Utah | Renormalized volume for hyperbolic 3-manifolds |
March 2
4:00 PM PHSC 1105 |
Fang Wang
Capital Normal University, China | The Lagrangian systems on compact manifolds with complicated topological structure |
February 23
4:00 PM PHSC 1105 |
Hung Yean Loke
| Local Theta Correspondences Of Supercuspidal Representations |
Fall 2016
November 17
4:00 PM PHSC 1105 |
Oleg R. Musin
Univ of Texas Rio Grande Valley | The kissing number and related problems |
November 15
4:00 PM PHSC 1105 |
Jordan Schettler
San José State University | Elliptic Curves and Rational Hyperbolic Triangles |
November 10
4:00 PM PHSC 1105 |
Marc Hoffmann
CEREMADE, University of Paris-Dauphine | A tentative definition of statistical inference across scales. |
November 3
4:00 PM PHSC 1105 |
Robert Muth
Tarleton State University | Imaginary Schur-Weyl Duality |
October 27
4:00 PM PHSC 1105 |
Wolfgang Ziller
University of Pennsylvania | What do manifolds look like |
September 22
4:00 PM PHSC 1105 |
Dave Auckly
Kansas State University | Seeing the difference between the topological and smooth worlds |
Spring 2016
April 26
4:00 PM PHSC 1105 |
Dr. Nathan Wakefield
University of Nebraska, Lincoln | The Role of Faculty in Introductory Mathematics Course Redesign at the University of Nebraska-Lincoln |
April 14
4:00 PM PHSC 1105 |
Dan Freeman
St Louis University | Coordinate systems formed by translations of a single function in L_p(R) |
April 7
4:00 PM PHSC 1105 |
Efton Park
Texas Christian University | Unitary Equivalence of Normal Matrices over Topological Spaces |
March 31
4:00 PM PHSC 1105 |
Gunter Stolz
University of Alabama at Birmingham | Can we (mathematicians) understand quantum many-body transport? |
March 24
4:00 PM PHSC 1105 |
Ed Dubinsky
| APOS THEORY AND ISETL: Teaching and Learning Abstract Algebra |
February 25
4:00 PM PHSC 809 |
Andrew Putman
Rice University | The topology of lattices |
February 23
3:30 PM PHSC 1105 |
Jitka Stehnova
University of Chicago | University of Chicago Undergraduate Mathematics Program: Structure and Leadership |
February 18
4:00 PM PHSC 1105 |
Professor Bing-Ye Wu
Washington University, St Louis and Minjiang University, China | Finsler Submanifolds: From Viewpoint of Chern Connection |
January 22
4:00 PM PHSC 809 |
Nahid Walji
University of Zurich | Large positive and negative Hecke eigenvalues for Maass forms |
Fall 2015
December 10
4:00 PM PHSC 1105 |
Catherine Searle
Wichita State University | Lower curvature bounds and symmetries |
November 20
4:00 PM PHSC 1105 |
Colm Mulcahy
Spelman College, Atlanta, GA | Martin Gardner, The Best Friend Mathematics Ever Had |
November 19
4:00 PM PHSC 1105 |
Marilyn Carlson
Arizona State University | A Research-Based Approach for Improving Precalculus Teaching and Learning |
November 12
4:00 PM PHSC 1105 |
Andrey Vesnin
Russian Acad. Sci. and Univ. of Indiana | On complexity and Turaev-Viro invariants of 3-manifolds |
October 29
4:00 PM PHSC 1105 |
Angela Pasquale
Universite' de Lorraine | Differential operators, radial components and homogeneous vector bundles |
October 22
4:00 PM PHSC 1105 |
Jonny Comes
College of Idaho | Brauer diagrams and representation theory in complex rank |
October 1
4:00 PM PHSC 809 |
Camille Horbez
University of Utah | Growth under random products of automorphisms |
September 24
4:00 PM PHSC 1105 |
Keith Weber
Rutgers University | Some reasons that students do not learn from lectures in advanced mathematics |
Spring 2015
April 30
4:00 PM PHSC 1105 |
Ralph Showalter
Oregon State University | Variational Problems and Mixed Formulations |
April 21
4:00 PM PHSC 1105 |
Benjamin Linowitz
University of Michigan | You cannot hear the shape of a hyperbolic drum |
April 16
4:00 PM PHSC 1105 |
Yulong Xing
University of Tennessee and Oak Ridge National Lab | Discontinuous Galerkin methods for the shallow water equations |
April 9
4:30 PM PHSC 1105 |
Susan Espinoza and Gary Whalen
Cengage Learning | Features and options available with the Stewart calculus textbook |
April 2
4:00 PM PHSC 1105 |
Thomas Koberda
Yale | RAAGs, diffeomorphisms, and geometry |
March 27
4:00 PM PHSC 1105 |
Jennifer Johnson-Leung
University of Idaho | Modularity of Abelian Surfaces |
March 12
3:00 PM PHSC 1105 |
Maxim Zinchenko
University of New Mexico | Chebyshev Polynomials on Subsets of the Real Line |
January 30
4:00 PM PHSC 1105 |
Igor Rapinchuk
Harvard University | Abstract homomorphisms of algebraic groups |
Fall 2014
December 11
4:00 PM PHSC 1105 |
A. Raghuram
IISER Pune, India | From Calculus to Number Theory via Cohomology |
November 21
4:00 PM PHSC 1105 |
Henry Segerman
Oklahoma State University | Design of 3D printed mathematical art |
November 13
4:00 PM PHSC 1105 |
Scott Kaschner
University of Arizona | Rational Map of CP^{2} with equal dynamical degrees and no invariant foliation |
October 30
4:00 PM PHSC 1105 |
Angela Pasquale
Universite de Lorraine - Metz, France | Poisson transforms, symmetric spaces, and applications |
October 23
4:00 PM PHSC 1105 |
Carolyn Gordon
Dartmouth College | Hearing the Shapes of Manifolds: a Partial Survey |
September 25
4:00 PM PHSC 1105 |
Ryan Vinroot
College of William and Mary | The Combinatorics of Character Degrees |
September 18
4:00 PM PHSC 1105 |
Stacy Brown
California State Polytechnic University, Pomona | When Thought Takes Wings: A Study of Students’ Hypothetico-Deductive Thought |
Spring 2014
May 1
4:00 PM PHSC 1105 |
Radhika Ganapathy
University of British Columbia | On the local Langlands correspondence |
April 10
4:00 PM PHSC 1105 |
Yang Wang
Michigan State University | A Mathematical Study of Authorship Attribution |
April 3
4:00 PM PHSC 1105 |
Chi-Wang Shu
Division of Applied Mathematics, Brown University | High order numerical methods for convection dominated problems |
March 13
4:00 PM PHSC 1105 |
Rudy Horne
Morehouse College | Parity-Time (PT) Symmetric Systems: An analysis of dimer and trimer models |
March 6
4:00 PM PHSC 1105 |
Yifeng Liu
MIT | Heegner points and arithmetic of elliptic curves |
February 27
4:00 PM PHSC 1105 |
Mark Hagen
University of Michigan | Walls |
February 13
4:00 PM PHSC 809 |
Mark Feighn
Rutgers-Newark | The geometry of Out(F_n) |
January 23
4:00 PM PHSC 809 |
Kasra Rafi
University of Oklahoma/Toronto | Counting Problems and Teichmueller geodesic flow |
Fall 2013
December 5
4:00 PM PHSC 1105 |
Raul Gomez
Cornell University | On a conjecture of Sakellaridis-Venkatesh on the unitary spectrum of spherical varieties |
October 31
4:00 PM PHSC 1105 |
Shuichiro Takeda
University of Missouri | Construction of automorphic representations |
October 24
4:00 PM PHSC 1105 |
Angela Pasquale
Universite de Lorraine - Metz | Meromorphic continuation of the resolvent of the Laplace operator on Riemannian symmetric spaces |
October 18
4:00 PM PHSC 1105 |
Mei-Chi Shaw
University of Notre Dame | LEVI-FLAT HYPERSURFACES IN COMPLEX MANIFOLDS |
October 3
4:00 PM PHSC 1105 |
Sug Woo Shin
MIT | Families of automorphic representations and families of algebraic varieties |
September 26
4:00 PM PHSC 809 |
Danny Calegari
University of Chicago | Most groups contain surface subgroups |
September 19
4:00 PM PHSC 1105 |
Annie Selden
New Mexico State University | Helping Students with Proving: A Tale of Two Whole Class Teaching Experiments |
September 12
4:00 PM PHSC 1105 |
Michele Mulazzani
Univ. of Bologna/Italy | Compact 3-manifolds via 4-colored graphs |
September 5
4:00 PM PHSC 1105 |
Christopher Drupieski
DePaul University | What is a cohomology ring, and why should I care if it is finitely-generated? |
Spring 2013
May 2
4:00 PM PHSC 1105 |
Angela Pasquale
Universite de Lorraine - Metz | Uncertainty principles for the Schroedinger equation on Riemannian symmetric spaces of the noncompact type |
April 25
4:00 PM PHSC 809 |
Mladen Bestvina
University of Utah | Hyperbolicity in mapping class groups |
April 18
4:00 PM PHSC 1105 |
Joachim Hilgert
University of Padeborn, Germany | Fock spaces and small representations |
April 11
4:00 PM PHSC 1105 |
Dr. Aaron Smith
University of Waterloo | Multiholomorphic Mappings: a higher geometric framework for generalizing the theory of pseudoholomorphic curves. |
April 4
4:00 PM PHSC 1105 |
Sean Paul
University of Wisconsin | From Semi Stable Pairs to Canonical Kahler Metrics on Algebraic Manifolds |
March 28
4:00 PM PHSC 1105 |
Longzhi Lin
Rutgers University | Uniformity of harmonic map heat flow at infinite time |
March 14
4:00 PM PHSC 1105 |
Garrett Alston
Kansas State University | "Lagrangian Floer Theory" |
March 7
4:00 PM PHSC 1105 |
Andrew Knightly
University of Maine | Trace formula 101 |
February 28
4:00 PM PHSC 809 |
Martin Kerin
University of Muenster | The Gromoll--Meyer exotic 7-sphere |
February 28
4:00 PM PHSC 809 |
Martin Kerin
University of Muenster | The Gromoll-Meyer exotic 7-sphere |
Fall 2012
December 6
4:00 PM PHSC 1105 |
Ray Yang
| Higher order extensions for the fractional Laplacian |
November 29
4:00 PM PHSC 1105 |
Yelin Ou
Texas A & M University-Commerce | Some recent work on biharmonic maps and biharmonic submanifolds |
November 12
4:30 PM Nielsen Hall 270 |
Professor Wu-Yi Hsiang
University of California at Berkeley | Symmetry and Least Action Principle (i.e. Optimality) |
November 8
4:00 PM PHSC 1105 |
Ravi Kulkarni
Indian Inst. of Technology Bombay | Algorithmic construction of representations of finite solvable groups |
November 1
4:00 PM PHSC 1105 |
Angela Pasquale
Universite de Lorraine - Metz, France | Analytic and Group - Theoretic Aspects of the Cosine Transform |
October 18
4:00 PM PHSC 1105 |
Muge Kanuni Er
Bogazici University | An overview of some algebras over discrete structures |
September 27
4:00 PM PHSC 1105 |
Winnie Li
Penn State University | Zeta functions in combinatorics and number theory |
September 13
4:00 PM PHSC 1105 |
Lee Kennard
UC Santa Barbara | Applications of the Steenrod algebra to positive curvature. |
August 30
4:00 PM PHSC 1105 |
Dr. Siraj Uddin
University of Malaya, Malaysia | Geometry of warped product semi-slant submanifolds of a nearly cosymplectic manifold |
August 30
4:00 PM PHSC 1105 |
Dr. Siraj Uddin
University of Malaya, Malaysia | Geometry of warped product semi-slant submanifolds of a nearly cosymplectic manifold |