Algebra and Representation Theory Seminar
The Algebra and Representation Theory Seminar (ARTS) normally meets in PHSC
1105 on Fridays at 3:30pm. For more information about the seminar, contact
Kimball Martin.
Spring 2020
January 23
4:00 PM PHSC 1105 
Josep Àlvarez Montaner
Universitat Politècnica de Catalunya  Local cohomology of binomial edge ideals and their generic initial ideal 
January 31
3:30 PM PHSC 1105 
Kimball Martin
University of Oklahoma  Galois orbits of modular forms 
February 14
3:30 PM PHSC 1105 
Marcus Robinson
University of Utah  BCM Test Ideals of Mixed Characteristic Toric Schemes 
March 13
3:30 PM PHSC 1105 
Simon Roby
OU and University of Lorraine, France  Resonances of the Laplacian on homogeneous vector bundles on real rank one symmetric spaces 
March 27
3:30 PM Zoom 
Ricardo Mendes
University of Oklahoma  Singular Riemannian foliations, manifold submetries, and Laplacian algebras 
April 10
3:30 PM Zoom 
Gregory Muller
University of Oklahoma  Paths in graphs and Lindstrom's lemma 
April 17
3:30 PM Zoom 
Jieru Zhu
SUNY Buffalo  Transitioning between the tableaux and spider bases for the Specht modules 
April 24
3:30 PM PHSC 1105 
Kimball's visitor

Fall 2019
August 30
3:30 PM PHSC 1105 
Greg Muller
University of Oklahoma  Huang's proof of the Sensitivity Conjecture 
September 6
3:30 PM PHSC 1105 
Trey Trampel
University of Notre Dame  Quantum cluster algebras at roots of unity and discriminants 
September 20
3:30 PM PHSC 1105 
Joey Randich
University of Oklahoma  Silly Mathematician, Webs are for Spiders! 
September 27
3:30 PM PHSC 1105 
Erin Hausmann
University of Oklahoma  The Ring of Symmetric Functions 
October 4
3:30 PM PHSC 1105 
Ameya Pitale
University of Oklahoma  Special values of Lfunctions and congruences between modular forms 
October 18
3:30 PM PHSC 1105 
Lucy Lifschitz
University of Oklahoma  Weakly commensurable groups with applications to the differential geometry 
October 25
3:30 PM PHSC 1105 
Ricardo Mendes
University of Oklahoma  A diameter gap for quotients of the unit sphere 
November 1
3:30 PM PHSC 1105 
Ryan Reynolds
University of Oklahoma  Algebras out of Diagrams! What’ll They Think of Next? 
November 15
3:30 PM PHSC 1105 
Daniel Smolkin
University of Oklahoma  Frobenius splitting in commutative algebra 
November 22
3:30 PM PHSC 1105 
Daniel Smolkin
University of Oklahoma  Diagonal Fregularity and symbolic powers 
Show semesters preceding Fall 2019
Spring 2019
January 25
3:30 PM PHSC 1105 
Greg Muller
University of Oklahoma (Norman, OK, US)  Linear recurrences 
February 1
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma (Norman, OK, US)  Howe's correspondence and characters for dual pairs over Archimedean and nonArchimedean fields 
February 8
3:30 PM PHSC 1105 
Nick Davidson
University of Oklahoma (Norman, OK, US)  Practice Job Talk 
February 22
3:30 PM PHSC 1105 
Thomas Morgan
University of Oklahoma (Norman, OK, US)  Representations of the Automorphism Group of a RightAngled Coxeter Group 
March 1
3:30 PM PHSC 1105 
Colm Mulcahy
Spelman College  The Mathematics of Martin Gardner: Frontier Writer Extraordinaire 
March 8
3:30 PM PHSC 1105 
Jonathan Kujawa
University of Oklahoma (Norman, OK, US)  Support varieties for modular Lie superalgebras 
March 29
3:30 PM PHSC 1105 
Shuji Horinaga
Kyoto University  RankinCohen bracket and nearly holomorphic modular forms. 
April 12
3:30 PM PHSC 1105 
Andrew Miller
University of Oklahoma (Norman, OK, US)  The triangular form and the negative Pell equation 
April 19
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Siegel Eisenstein series, special values, and congruences 
Fall 2018
August 24
3:30 PM PHSC 1105 
Brave Volunteers
 5 minute talks 
August 31
3:30 PM PHSC 1105 
Jonathan Kujawa
University of Oklahoma  Modified Traces 
September 7
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Paramodular forms of level 16 
September 28
3:30 PM PHSC 1105 
David Vogan
Massachusetts Institute of Technology  The size of infinitedimensional representations 
October 12
3:30 PM PHSC 1105 
AnneMarie Aubert
Directrice de Recherches au CNRS, Institut de Mathématiques de Jussieu, Paris, France  Fluctuations of the depth under the local Langlands correspondence 
October 19
3:30 PM PHSC 1105 
Edward Richmond
Oklahoma State University  The Nash blowup of a cominuscule Schubert variety 
October 24
4:00 PM PHSC 1105 
Robert Muth
Washington & Jefferson College  Schurifying superalgebras 
November 16
3:30 PM PHSC 1105 
Manami Roy
University of Oklahoma  Paramodular forms coming from elliptic curves 
November 30
3:30 PM PHSC 1105 
Shaoyun Yi
University of Oklahoma  Klingen p^2 vectors for GSp(4) 
December 7
3:30 PM PHSC 1105 
Jonathan Cohen
University of Oklahoma  Local newforms for odd, unramified unitary groups 
Spring 2018
February 2
3:30 PM PHSC 1105 
Greg Muller
University of Oklahoma  Conic modules of toric algebras 
February 9
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  Characters of the Irreducible Unitary Highest Weight representations via Howe's correspondence and a formula of Rossmann  Duflo  Vergne 
February 23
3:30 PM PHSC 1105 
Roi Docampo
University of Oklahoma  Differentials on the arc space 
March 9
3:30 PM PHSC 1105 
Alexander Alldridge
UC Berkeley  A cohomological approach to the Berezin fibre integral 
April 6
3:30 PM PHSC 1105 
Kimball Martin
University of Oklahoma  The basis problem 
April 20
3:30 PM PHSC 1105 
Eugenia Rosu
University of Arizona  Twists of elliptic curves with CM 
April 27
3:30 PM PHSC 1105 
Ameya Pitale
University of Oklahoma  Pullback of Eisenstein series 
May 4
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  The symmetric group S_6 and automorphic Plancherel density for Siegel modular forms 
Fall 2017
August 25
3:30 PM PHSC 1105 
Roi Docampo
University of Oklahoma  Arcs and Jets in Algebraic Geometry Part 1 
September 1
3:30 PM PHSC 1105 
Roi Docampo
University of Oklahoma  Arcs and Jets in Algebraic Geometry Part 2 
September 15
3:30 PM PHSC 1105 
Benjamin Wyser
Oklahoma State University  Singularities of Korbit closures and interval pattern avoidance 
September 22
3:30 PM PHSC 1105 
Jon Kujawa
University of Oklahoma  TBA 
September 29
3:30 PM PHSC 1105 
Jonathan Kujawa
University of Oklahoma  Realizing the spectrum of tensor categories 
October 6
3:30 PM PHSC 1105 
Greg Muller
University of Oklahoma  An introduction to cluster algebras 
October 20
3:30 PM PHSC 1105 
Greg Muller
University of Oklahoma  Canonical bases for cluster algebras 
October 27
3:30 PM PHSC 1105 
Jonathan Cohen
University of Oklahoma  Some Tidbits of the Langlands Program 
November 3
3:30 PM PHSC 1105 
Jonathan Cohen
University of Oklahoma  The JacquetLanglands Correspondence, and Transference of Orbital Integrals 
November 10
3:30 PM PHSC 1105 
Baskar Balasubramanyam
IISER, Pune, India/UCLA  Nonarchimedean distributions attached to twisted tensor Lfunctions 
November 17
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Stable Klingen vectors 
December 1
3:30 PM PHSC 1105 
Beatriz Pascual
Universidad Autónoma de Madrid (Spain)  Invariants of singularities: from Nash to Hironaka 
December 8
3:30 PM PHSC 1105 
Yusuf Danisman
University of Oklahoma  Local factors for the padic group GSp(4) 
Spring 2017
January 27
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  Howe's theory of rank for finite groups 
February 3
3:30 PM PHSC 1105 
Alan Roche
University of Oklahoma  Products of two involutions 
February 10
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  Noncommutative Algebraic Geometry on a Leavitt Path Algebra of Polynomial Growth 
February 17
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  Noncommutative Algebraic Geometry on a Leavitt Path Algebra of Polynomial Growth, Part 2 
February 20
4:00PM PHSC 1105 
Hung Yean Loke
National University of Singapore  Maximal primitive ideals corresponding to the model nilpotent orbits 
February 23
10:30 AM PHSC 1105 
Jonny Comes
 Jellyfish partition categories 
March 3
3:30 PM PHSC 1105 
Gordon Brown
University of Oklahoma  How to polytopify Specht modules 
March 10
3:30 PM PHSC 1105 
Jieru Zhu
University of Oklahoma  Presenting cyclotomic Schur algebras 
March 24
3:30 PM PHSC 1105 
Jordan Wiebe
University of Oklahoma  Arithmetic in Quaternion Algebras 
April 14
3:30 PM PHSC 1105 
Devin Mitchell
University of Oklahoma  Buildings and Groups 
April 28
11:30am PHSC 1105 
Claus Sorensen
University of California, San Diego  Insensitivity of deformation rings under parabolic induction 
Fall 2016
September 9
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Pullbacks of Eisenstein series 
September 16
3:30 PM PHSC 1105 
Nick Davidson
University of Oklahoma  Lie algebras acting on categories 
September 23
3:30 PM PHSC 1105 
Nick Davidson
University of Oklahoma  Lie algebras acting on Categories (part 2) 
September 30
3:30 PM PHSC 1105 
Gordon Brown
University of Oklahoma  A Survey of Heisenberg Categorification 
October 14
3:30 PM PHSC 1105 
Kimball Martin
University of Oklahoma  Group characters and refined localglobal principles 
October 21
3:30 PM PHSC 1105 
Martin Szyld
University of Buenos Aires  On flat functors 
October 28
3:30 PM PHSC 1105 
Thomas Morgan
University of Oklahoma  Linear Representations of Automorphisms of Free Groups 
November 4
3:30 PM PHSC 1105 
Rob Muth
Tarleton State University  Affine zigzag algebras and imaginary strata for KLR algebras 
November 11
3:30 PM PHSC 1105 
Cass Sherman
Oklahoma State University  Weight Stretching in LittlewoodRichardson Coefficients 
Spring 2016
February 5
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Packet structure and paramodular forms 
February 19
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  The character and the wave front set correspondence in the stable range 
February 26
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  The character and the wave front set correspondence in the stable range (Part 2). 
March 11
3:30 PM PHSC 1105 
Ben Tharp
University of Oklahoma  The marked Brauer algebra 
March 25
3:30 PM PHSC 1105 
Long Tran
University of Oklahoma  Lfunctions for nongeneric representations of GSp(4) 
April 1
3:30 PM PHSC 1105 
Visu Makam
University of Michigan  Polynomial degree bounds for matrix semiinvariants 
April 15
3:30 PM PHSC 1105 
Alok Shukla
University of Oklahoma  On Klingen Eisenstein series with level 
April 22
3:30 PM PHSC 1105 
Jordan Wiebe
University of Oklahoma  Computing Modular Forms 
April 29
3:30 PM PHSC 1105 
Ameya Pitale
University of Oklahoma  Restriction of modular forms 
May 6
3:30 PM PHSC 1105 
Manami Roy
University of Oklahoma  The principle of functoriality 
Fall 2015
September 4
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  Representations of Leavitt Path Algebras 
September 11
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  Representations of Leavitt Path Algebras II 
September 18
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  GelfandKirillov dimension of a unitarizable highest weight representation of a classical Lie algebra 
October 2
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  Irreducible unitary representations of some Lie supergroups 
October 16
3:30 PM PHSC 1105 
Gil Moss
OSU  Gamma factors and the local Langlands conjecture in families 
October 23
3:30 PM PHSC 1105 
Jonny Comes
College of Idaho  Ideals in Deligne categories and representations of supergroups 
November 6
3:30 PM PHSC 1105 
Daniele Rosso
UC Riverside  Mirabolic quantum sl_2 
December 4
3:30 PM PHSC 1105 
Sandeep Repaka
University of Oklahoma  An Introduction to HarishChandra Induction 
Spring 2015
January 16
1:30 PM PHSC 1105 
Joseph A. Wolf
University of California, Berkeley  Geometry and Analysis on Nilpotent Lie Groups 
January 23
3:30 PM PHSC 1105 
Rodney Keaton
University of Oklahoma  Galois representations and Serre's conjecture 
February 6
3:30 PM PHSC 1105 
Rodney Keaton
University of Oklahoma  Galois representations and Serre's conjecture, Part 2 
February 13
3:30 PM PHSC 1105 
Rodney Keaton
University of Oklahoma  Galois representations and Serre's conjecture, Part 3 
February 27
3:30 PM PHSC 1105 
Jan Mollers
Ohio State  Intertwining operators for branching problems and applications 
March 6
3:30 PM PHSC 809 
Siddhesh Wagh
University of Oklahoma  Weyl's converse theorem and an application 
March 13
11:00 AM PHSC 1105 
Peter Sarnak
Princeton University  The Solovay Kitaev Theorem revisited 
April 3
3:30 PM PHSC 1105 
Shaoyun Yi
University of Oklahoma  Dimensions of spaces of Parahoricinvariant vectors for Iwahoricspherical representations of Gsp(4) 
April 10
3:30 PM PHSC 1105 
Colin VerNooy
University of Oklahoma  Discrete Series Representations of Sp(4,R) 
April 13
11:30 AM PHSC 1105 
Benedict Gross
Harvard University  Pencils of Quadrics 
April 17
3:30 PM PHSC 1105 
Gordon Brown
University of Oklahoma  The OkounkovVershik Approach to the Representation Theory of the Symmetric Groups 
April 24
3:30 PM PHSC 1105 
Kannan Soundararajan
Stanford University  Moments and distribution of Lvalues. 
Fall 2014
August 22
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Nearly holomorphic modular forms 
August 29
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Gentzen's consistency proof of Peano arithmetic I 
September 5
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Gentzen's consistency proof of Peano arithmetic II 
September 12
3:30 PM PHSC 1105 
Jonathan Kujawa
University of Oklahoma  Geometric SchurWeyl Duality 
September 19
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Gentzen's consistency proof of Peano arithmetic III 
September 23
5:00 PM PHSC 1105 
Benjamin Harris
Oklahoma State University  On the Asymptotics of Plancherel Formulas for Reductive Homogeneous Spaces 
September 26
3:30 PM PHSC 1105 
Abhishek Saha
University of Bristol  Local Whittaker functions and supnorms of newforms 
October 3
3:30 PM PHSC 1105 
Dermot McCarthy
Texas Tech  Hypergeometric Functions and Modular Forms 
October 24
3:30 PM PHSC 1105 
Christina Durfee
University of Oklahoma  Distinguishing graphs by their Ihara zeta function 
October 31
3:30 PM PHSC 1105 
Alok Shukla
University of Oklahoma  Automorphic Representations and Eisenstein Series 
November 7
3:30 PM PHSC 1105 
Long Tran
University of Oklahoma  Bessel Models 
November 14
3:30 PM PHSC 1105 
Jieru Zhu
University of Oklahoma  Schur algebras of type A and BC 
December 5
3:30 PM PHSC 1105 
Ed Richmond
Oklahoma State University  Fiber bundles and Schubert varieties 
Spring 2014
January 24
3:30 PM PHSC 1105 
Loren Spice
Texas Christian University  Stability and endoscopic transfer for toral supercuspidal representations 
January 31
3:30 PM PHSC 1105 
Salam Turki
University of Oklahoma  Elliptic Curves and the Local Langlands Correspondence 
February 7
3:30 PM PHSC 1105 
Salam Turki
University of Oklahoma  Complex representations associated to Elliptic curves 
February 14
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Harmonic weak Maass forms and representations 
February 21
3:30 PM PHSC 1105 
Benjiman Tharp
University of Oklahoma  The Brauer Algebra and the Fundamental Theorems of Invariant Theory for O(V) 
February 28
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Foundations 1: From Kant to Hilbert 
February 28
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Foundations 1: From Kant to Hilbert 
March 14
3:30 PM PHSC 1105 
Jon Kujawa
University of Oklahoma  Reconstruction 
March 28
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  Weyl calculus and dual pairs 
April 11
3:30 PM PHSC 1105 
Luis Lomelí
University of Oklahoma  Twisted exterior and symmetric square Lfunctions and root numbers with applications 
April 18
3:30 PM PHSC 1105 
Luis Lomelí
University of Oklahoma  The LanglandsShahidi method over function fields and applications 
April 25
3:30 PM PHSC 1105 
Christian Remling
University of Oklahoma  Godel 2, Lob's Theorem, and Fraenkelstein's monster 
May 2
3:30 PM PHSC 809 
Radhika Ganapathy
University of British Columbia  On the LanglandsShahidi method over close local fields and applications 
Fall 2013
August 23
3:30 PM PHSC 1105 
Jeff Meyer
University of Oklahoma  Arithmetic Groups 
August 30
3:30 PM PHSC 1105 
Kimball Martin
University of Oklahoma  Functoriality and distinction 
September 6
3:30 PM PHSC 1105 
Carlos de la Mora
Purdue University  Canonical Disintegration of L^2(H\G) and Automorphic Representations 
September 13
3:30 PM PHSC 1105 
Jeff Meyer
University of Oklahoma  Arithmetic Groups II  Weak Commensurability, Eigenvalue Rigidity, Isotorality, and Generalizations 
September 27
3:30 PM PHSC 1105 
Murad Özaydin
University of Oklahoma  Invariant Basis Number, Nonstable KTheory and the Leavitt Path Algebras 
October 4
3:30 PM PHSC 1105 
Murad Özaydin
University of Oklahoma  Invariant Basis Number, Nonstable KTheory and the Leavitt Path Algebras (Continued) 
October 17
4:00 PM PHSC 1105 
Luis Lomelí
University of Oklahoma  The LanglandsShahidi method for the classical groups over function fields and the Riemann Hypothesis 
October 25
3:30 PM PHSC 1105 
Angela Pasquale
Institut Élie Cartan de Lorraine  The bounded hypergeometric functions associated with root systems 
November 8
3:30 PM PHSC 1105 
Kwangho Choiy
Oklahoma State University  Behavior of Rgroups on Lpackets and between inner forms 
November 22
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Harmonic weak Maass forms and representations 
December 6
3:30 PM PHSC 1105 
Raul Gomez
Cornell University  Thetalifting of generalized Whittaker models associated to nilpotent orbits. 
Spring 2013
January 18
3:30 PM PHSC 1105 
Ameya Pitale
University of Oklahoma  Quantum Unique Ergodicity 
February 1
3:30 PM PHSC 1105 
Charles Samuels
Oklahoma City University  The number of exceptional points in the metric Mahler measures 
February 8
3:30 PM PHSC 1105 
Kimball Martin
University of Oklahoma  How often should you clean your room: an impractical guide 
February 15
3:30 PM PHSC 1105 
Ameya Pitale
University of Oklahoma  Waldspurger models for representations of GL(2) 
February 15
3:30 PM PHSC 1105 
Luis Lomeli
University of Oklahoma  On the Ramanujan Conjecture 
February 22
3:30 PM PHSC 1105 
Luis Lomeli
University of Oklahoma  On the Ramanujan Conjecture 
March 1
4:00 PM PHSC 1105 
Aaron Lauve
Loyola University, Chicago  Convolution powers of the Identity in Combinatorial Hopf algebras 
March 8
3:30 PM PHSC 1105 
Roi Docampo
Universidade Federal Fluminense  Singularities in birational geometry and multiplier ideals 
March 15
3:30 PM PHSC 1105 
Garrett Alston
Kansas State University  Mirror Symmetry for Elliptic Curves 
March 29
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Lowest Weight Vectors 
April 5
3:30 PM PHSC 1105 
Sean Paul
University of Wisconsin  KEnergy lower bounds and Constructible sets 
April 12
3:30 PM PHSC 1105 
Moshe Adrian
University of Utah  Rectifiers and the local Langlands correspondence 
Fall 2012
August 24
3:30 PM PHSC 1105 
Matt Bennett
UC Riverside  Tilting Modules for the Current Algebra 
August 31
3:30 PM PHSC 1105 
Tomasz Przebinda
University of Oklahoma  A reverse engineering approach to Weil Representation over a finite field of odd characteristic 
September 7
3:30 PM PHSC 1105 
Luis Lomeli
University of Oklahoma  Localtoglobal extensions in positive characteristic 
September 14
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  The Linear Diophantine Frobenius Problem 
September 21
3:30 PM PHSC 1105 
Murad Ozaydin
University of Oklahoma  The Linear Diophantine Frobenius Problem  II 
October 19
3:30 PM PHSC 1105 
Muge Kanuni
Bogazici University  An approach to calculating the global dimensions of some Artinian algebras 
October 26
3:30 PM PHSC 1105 
Christina Durfee
University of Oklahoma  Groups with a character of large degree relative to a normal subgroup 
November 2
3:30 PM PHSC 1105 
Jon Kujawa
University of Oklahoma  New Trace Functions 
November 9
3:30 PM PHSC 1105 
Ralf Schmidt
University of Oklahoma  Modular form of halfintegral weight and representations of the metaplectic group 