University of Oklahoma
Mathematics Department
Algebra and Representation Theory Seminar
Algebra and Representation Theory Seminar
In Spring 2013 the Algebra and Representation Theory Seminar meets Fridays at 3:30 pm in room PHSC 1105. For more information about the seminar, contact
Ameya Pitale
.
Spring 2013 Talks
04/19
Radhika Ganapathy, IAS Princeton
TBA
04/12
Moshe Adrian, Univ of Utah
TBA
04/05
Sean Paul, Univ of Wisconsin/MIT
K-Energy lower bounds and Constructible sets
(Abstract)
03/29
Ralf Schmidt, OU
Lowest weight vectors
(Abstract)
03/22
no talk, spring break
03/15
Garrett Alston, Kansas State
Mirror Symmetry for Elliptic Curves
(Abstract)
03/08
Roi Docampo, Universidade Federal Fluminense
Singularities in birational geometry and multiplier ideals
(Abstract)
03/01
Aaron Lauve, Loyola University, Chicago
Convolution powers of the Identity in Combinatorial Hopf algebras
(Abstract)
02/22
Luis Lomeli, OU
On the Ramanujan Conjecture
(Abstract)
02/15
Ameya Pitale, OU
Waldspurger models for representations of GL(2)
(Abstract)
02/08
Kimball Martin, OU
How often should you clean your room: an impractical guide
(Abstract)
02/01
Charles Samuels, Oklahoma City University
The number of exceptional points in the metric Mahler measures
(Abstract)
01/25
no talk
01/18
Ameya Pitale, OU
Quantum Unique Ergodicity
(Abstract)
Fall 2012 Talks
11/16
no talk
Karcher special lecture
11/09
Ralf Schmidt, OU
Modular form of half-integral weight and representations of the metaplectic group
(Abstract)
11/02
Jonathan Kujawa, OU
New Trace functions
(Abstract)
10/26
Christina Durfee, OU
Groups with a character of large degree relative to a normal subgroup
(Abstract)
10/19
Muge Kanuni, Bogazici University
An approach to calculating the global dimensions of some Artinian algebras
(Abstract)
10/12
no talk
Texas Holiday
10/05
no talk
Karcher special lecture
09/28
no talk
TORA III
09/21
Murad Ozaydin, OU
The Linear Diophantine Frobenius Problem - II
09/14
Murad Ozaydin, OU
The Linear Diophantine Frobenius Problem - I
(Abstract)
09/07
Luis Lomeli, OU
Local-to-global extensions in positive characteristic
(Abstract)
08/31
Tomasz Przebinda, OU
A reverse engineering approach to Weil Representation over a finite field of odd characteristic
(Abstract)
08/24
Matt Bennett, UC Riverside
Tilting modules for the Current Algebra
(Abstract)
Spring 2012 Talks
1/20
Jonathan Kujawa, OU
Trace and dimension functions
(Abstract)
1/27
no talk
2/3
Luis Lomeli, OU
Special orthogonal groups in positive characteristic and automorphic L-functions
(Abstract)
2/10
Daniel McLaury, OU
Computational Commutative Algebra
(Abstract)
2/17
MathFest - no talk
2/24
Abhishek Saha, ETH Zurich
Equidistribution for families of cusp forms
(Abstract)
3/2
Fabian Januszewski, UCLA
p-adic L-functions over totally real fields
(Abstract)
3/5
Byungchul Cha, Muhlenberg College
Prime number races in function fields
(Abstract)
3/16
Charles Samuels, OKC University
Metric height functions on an Abelian group
(Abstract)
3/23
Spring Break
3/30
Luis Lomeli, OU
Automorphic L-functions in positive characteristic and applications to representation theory of p-adic reductive groups
(Abstract)
4/6
reserved for Karcher talk
4/13
Ralf Schmidt
Some 2-adic number theory
(Abstract)
4/20
Yiannis Sakellaridis, Rutgers University Newark
Periods, L-functions and a small step beyond endoscopy
(Abstract)
4/27
Josh Sussan, Mercy College
Braid group actions and Heisenberg categorification
(Abstract)
5/4
Salam Turki, OU
The Weil-Deligne group and its representations
Fall 2011 Talks
8/26
Jonathan Kujawa, OU
Computing complexity
(Abstract)
9/2
Julia Maddox, OU
Some remarks on representations of sp(2m,C)
(Abstract)
9/9
Ralf Schmidt, OU
The Yoshida lifting
(Abstract)
9/16
no talk
TORA I
9/23
Luis Lomeli, OU
Automorphic L-functions for the classical groups and functoriality over function fields
(Abstract)
9/30
Lei Zhao, OU
Finite W-superalgebras for queer Lie superalgebras and higher Sergeev duality
(Abstract)
10/07
no talk
Texas holiday
10/14
Kimball Martin, OU
On class groups and non-unique factorization
(Abstract)
10/21
Naomi Tanabe, OSU
Congruence for L-functions of Hilbert modular forms
(Abstract)
10/28
no talk
11/04
Qing Lu, OU
A Survey on the Relative Trace Formula and its Applications
(Abstract)
11/11
no talk
Math Day
11/18
Alyssa Leone
Introduction to cluster algebras
(Abstract)
11/25
no talk
Thanksgiving
12/02
no talk
12/09
Ravi Shankar
Simplicity of the alternating groups, A_n, for n \geq 5
(Abstract)
Spring 2011 Talks
5/6
Steven Spallone, OU
TBA
4/29
Houssein El Turkey, OU
A presentation of the Schur algebra and superalgebra
4/22
James Broda, OU
Sums of squares of algebraic integers
4/15
Shayna Grove, OU
Binary quadratic forms to binary cubic forms
4/8
Ralf Schmidt, OU
Fourier coefficients and Bessel models
4/1
Ralf Schmidt, OU
Irreducibility criteria for local and global representations
3/11
Hiro-Aki Narita, Kumamoto University
Global coincidence of spinor L-functions for some automorphic forms on GSp(2) and GSp(1,1)
3/4
Jeffrey Adler, American University
Towards a lifting of representations of finite reductive groups
2/25
Jonny Comes, Technische Universitat Munchen
A category of Deligne and representations of general linear supergroups
2/18
Alan Roche, OU
Signs and twisted signs for finite groups of Lie type
2/11
no talk
Math Fest
2/4
no talk
1/28
Zajj Daugherty, St. Olaf College
Centers of affine BMW algebra and its degenerate version
Fall 2010 Talks
8/27
Jonathan Kujawa
Symmetric groups a la Deligne
9/3
Lei Zhao
Representations of Lie superalgebra gl(m|n) in char. 0 and in char p
9/10
Lei Zhao
Modular representations of Lie superalgebras
9/17
Yiqiang Li, Virginia Tech
Geometric realizations of quantum groups, from partial flag varieties to quiver varieties
9/24
Ravi Shankar
Character determinants
10/1
Texas holiday - no talk
10/8
no talk
10/15
Ameya Pitale
Computing spaces of modular forms using modular symbols
11/12
Irfan Bagci, UC Riverside
Cohomology of restircted Lie superalgebras
Spring 2010 Talks
1/22
MathFest - no talk
1/29
Snow storm - no talk
2/5
Ralf Schmidt
The plus space
2/12
Alan Roche
Signs and involutions
2/19
Jon Kujawa
A Lie theory view of representations of the symmetric group - I
2/26
Jon Kujawa
A Lie theory view of representations of the symmetric group - II
3/5
Kimball Martin
Gross-Prasad Conjectures
3/12
no talk
3/19
Spring Break
3/26
Steven Spallone
Arithmetic Volume I
4/2
Steven Spallone
Arithmetic Volume II
4/9
Steven Spallone
Arithmetic Volume III
4/16
no talk
4/23
David Hemmer, University at Buffalo, SUNY
Signed Specht modules for symmetric groups?
4/30
Ralf Schmidt
Metaplectic newforms
5/7
Fall 2009 Talks
8/28
Jeffery Breeding
A pre-motivic approach to motivic L-functions - I
9/4
Jeffery Breeding
A pre-motivic approach to motivic L-functions - II
9/11
Thomas Madsen
BN-pairs and duality - I
9/18
Thomas Madsen
BN-pairs and duality - II
9/25
Jonathan Kujawa
Starting from scratch: newish varieties for Type I Lie superalgebras
10/2
Ralf Schmidt
The Shimura Lifting
10/9
no talk
10/16
Texas Holiday - no talk
10/23
Jeffery Breeding
Iwasawa theory and etale cohomology groups
10/30
MathDay - no talk
11/6
Steven Spallone
P-adic Local Dynamics
11/13
Tomasz Przebinda
Rossmann's approach to Springer's Correspondence for O_{2n}(C)
11/20
David Whitehouse
Periods and central values of quadratic base change L-functions
11/27
Thanksgiving - no talk
12/4
Catherine Hall
Modular forms and automorphic representations of GL(2)
12/11
Sangjib Kim, University of Arizona
Pieri algebras for the classical groups
Spring 2009 Talks
1/23
Jonathan Kujawa
Topological Field Theories: or, something I learned at MSRI
(Abstract)
1/30
Math Fest - no talk
2/6
Jonathan Kujawa
Partial Traces in Ribbon Categories, I
(Abstract)
2/13
Jonathan Kujawa
Partial Traces in Ribbon Categories, II
(Abstract)
2/20
Kimball Martin
Introduction to the trace formula I: Finite Groups
2/27
Steven Spallone
Introduction to the trace formula II: Compact Quotient
3/6
Kimball Martin
Trace Formula III: Geometry of compact Riemann surfaces
3/13
Kimball Martin
Trace Formula IV: Geometry of compact Riemann surfaces
3/20
Spring Break
3/27
Steven Spallone
Trace Formula V: p-adic Orbital Integrals
4/3
Steven Spallone
Trace Formula VI: Automorphic Forms
4/10
Ralf Schmidt
Newforms for the metaplectic group
4/17
Julia Maddox
Irreducible representations of sp(4,C) and epsilon factors
4/24
Kumar Balasubramanian
Frobenius-Schur Theorem
5/1
Ravi Srinivasan
Iterated extensions by antiderivatives and algebraic elements - I
5/8
Ravi Srinivasan
Iterated extensions by antiderivatives and algebraic elements - II
Fall 2008 Talks
8/29
no talk
9/5
Mike Jablonski
Moment maps and orbits of reductive group actions
9/12
Ameya Pitale
Archimedean Bessel models for GSp(4)
9/19
Ravi Srinivasan
On certain towers of extensions by antiderivatives
9/26
Steven Spallone
Intertwining Operators for Classical Groups - I
(Abstract)
10/3
Steven Spallone
Intertwining Operators for Classical Groups - II
10/10
Texas Holiday - no talk
10/17
no talk
10/24
Ralf Schmidt
There are no Jacobi forms of weight one
10/31
Jeffery Breeding
The irreducible characters of Sp(4) over a finite field
11/7
Steven Spallone
Gauss sums
11/14
Math Day - no talk
11/19
Satoshi Wakatsuki
The Eichler-Selberg trace formula for SL(2,Z)
11/28
Thanksgiving - no talk
12/5
Tomasz Przebinda
Semisimple orbital integrals in the symplectic space, for a real reductive dual pair
12/12
Spring 2008 Talks
1/18
MathFest - no talk
1/25
Tomasz Przebinda
A remark on Springer correspondence - I
2/1
Tomasz Przebinda
A remark on Springer correspondence - II
2/8
Ralf Schmidt
L-functions for GSp(4) x GL(2)
2/15
no talk
2/22
Mark McKee
Tauberian Theorems: From classical to current use
2/29
Ameya Pitale
Sign changes for Hecke eigenvalues
3/7
Ralf Schmidt
Archimedean local Langlands correspondence - I
3/14
Ralf Schmidt
Archimedean local Langlands correspondence - II
3/21
Spring Break
3/28
no talk
4/4
Alan Roche
Self-dual representations - I
4/11
Alan Roche
Self-dual representations - II
4/18
no talk
4/25
William Herring
Iwahori-spherical representations
5/2
no talk
Fall 2007 Talks
8/24
Ralf Schmidt
Zeta Integrals - I
8/31
Ralf Schmidt
Zeta Integrals - II
9/7
Jonathan Kujawa
Cohomology and support varieties for Lie superalgebras - I
9/14
Jonathan Kujawa
Cohomology and support varieties for Lie superalgebras - II
9/21
Mark McKee
On the finite order of Whittaker functions - I
9/28
Mark McKee
On the finite order of Whittaker functions - II
10/5
Texas Holiday - no talk
10/12
Ravi Srinivasan
Iterated logarithms - I
10/19
Ravi Srinivasan
Iterated logarithms - II
10/26
Tomasz Przebinda
Some classical Lie super-groups and Howe's correspondence - I
11/2
Tomasz Przebinda
Some classical Lie super-groups and Howe's correspondence - II
11/9
Tomasz Przebinda
Some classical Lie super-groups and Howe's correspondence - III
11/16
Statehood Day - no talk
11/23
Thanksgiving - no talk
11/30
Ameya Pitale
Jacobi Maass Forms
12/7
Jonathan Kujawa
Representations of the Lie superalgebra W(n)
Spring 2007 Talks
1/19
no talk
1/26
no talk - MathFest
2/2
Ajay Ramadoss
On the integral conjecture of Feigin, Losev and Shoikhet
2/9
Christian Remling
Riemann zeta function: Hadamard product representation
2/16
Victor Protsak
Minimal polynomials and elementary divisors for simple highest weight modules
2/23
Tomasz Przebinda
Boundedness of the Cauchy Harish-Chandra Integral
3/2
Victor Protsak
Primitive ideals and highest weight modules - I
3/9
Jeffery Breeding
Riemann zeta function: Special values
3/16
Victor Protsak
Primitive ideals and highest weight modules - II
3/23
Spring Break
3/30
Ralf Schmidt
Multiplicity One Theorems
4/6
Pramod Achar, LSU
The geometry of special pieces
4/13
Ralf Schmidt
Riemann zeta function and Dirichlet L-series
4/20
Victor Protsak
Toric Algebra I
4/27
Victor Protsak
Toric Algebra II
5/4
Nikola Petrov
Symmetries of the Kepler problem
Fall 2006 Talks
8/25
Ralf Schmidt
New results on modular forms
9/1
Yuri Movsisyan,
Yerevan State University
Representations of Boolean-like Algebras
9/8
Ameya Pitale
Converse Theorems I
9/15
Ameya Pitale
Converse Theorems II
9/22
Ameya Pitale
Converse Theorems III
9/29
Ameya Pitale
Converse Theorems IV
10/6
Texas Holiday - no talk
10/13
Viswanath Sankaran,
UC Davis
Kostka-Foulkes polynomials for symmetrizable Kac-Moody algebras
10/20
Annegret Paul,
Western Michigan
Dual Pairs and the Unitary Dual
10/27
William Herring
Modular Forms and Hecke Operators I
11/3
William Herring
Modular Forms and Hecke Operators II
11/10
no talk
11/17
Ajay Ramadoss
On a conjecture of Feigin Losev and Shoikhet
11/24
Thanksgiving Holiday
12/1
no talk - snowstorm
12/8
Victor Protsak
Another look at minimal polynomials and elementary divisors
Spring 2006 Talks
1/20
Ralf Schmidt
The P_3 filtration and some applications
1/27
MathFest - no talk
2/3
Ravi Srinivasan
The Lie-Kolchin Theorem
2/10
Ravi Srinivasan
Algebraic subgroups of SL(2,
C
)
2/17
Ed Cline
Introduction to derived categories - I
2/24
Ed Cline
Introduction to derived categories - II
3/3
Ed Cline
Introduction to derived categories - III
3/10
Herve Sabourin,
Université de Poitiers
Unipotent representations attached to some nilpotent orbits: an explicit construction
3/17
Spring Break
3/24
no talk
3/31
Ed Cline
Introduction to derived categories - IV
4/7
no talk
4/14
no talk
4/21
no talk
4/28
Pedro Olaya
G
_{2}
- I
5/5
Pedro Olaya
G
_{2}
- II
Fall 2005 Talks
9/2
Alan Roche
An introduction to Hecke algebras and induced representations - I
9/9
Alan Roche
An introduction to Hecke algebras and induced representations - II
9/16
Ajay Ramadoss
An introduction to the Big Chern classes - I
9/23
Roger Howe
The Littlewood-Richardson Rule - Rationale and a Simple Example
9/30
Ajay Ramadoss
An introduction to the Big Chern classes - II
10/7
Ajay Ramadoss
Some applications of the Big Chern classes
10/14
Ralf Schmidt
Gelfand-Kazhdan theory for p-adic groups
10/21
Geoffrey Dietz
Closure operations for positive characteristic rings - I
10/28
Geoffrey Dietz
Closure operations for positive characteristic rings - II
11/4
Tomasz Przebinda
A correspondence of orbital integrals for the dual pair (O(2), Sp(2,R)) - I
11/11
Tomasz Przebinda
A correspondence of orbital integrals for the dual pair (O(2), Sp(2,R)) - II
11/18
Tomasz Przebinda
A correspondence of orbital integrals for the dual pair (O(2), Sp(2,R)) - III
11/25
Thanksgiving Holiday
12/2
Tomasz Przebinda
A correspondence of orbital integrals for the dual pair (O(2), Sp(2,R)) - IV
12/9
Tomasz Przebinda
A correspondence of orbital integrals for the dual pair (O(2), Sp(2,R)) - V