Fall Semester, 2007
September 19
Title: The
Steinberg Module and the Steinberg Tensor Product Theorem
Speaker: Chris Drupieski (UVa)
October 3
Title:
Toric
degeneration of
Bott-Samelson-Demazure-Hansen
Varieties
Speaker:
Paramasamy Karuppuchamy
(UVa)
October 10
Title: Representation
Theory of the Lie superalgebra of type C
Speaker:
Shun-Jen Cheng (Academia
Sinica, Taipei, Taiwan)
October 31
Title: Representation
growth of compact p-adic Lie groups
Speaker: Benjamin Klopsch (Royal Holloway, University of London)
November 7
Title: The
classification of maximal graded subalgebras of affine Kac-Moody
algebras
or, the classification of maximal filtrations
in finite
dimensional simple Lie algebras
Speaker: Yiftach Barnea (Royal Holloway, University of London)
November 14
Title: The centers
of spin symmetric group algebras and Catalan numbers
Speaker: Jill (McCarthy) Tysse (UVa)
Student presentations:
Jinkui Wan Nov. 27 & 29, Crystal basis for the basic representation
of affine sl_r
Lei Zhao, Dec. 3, Quantum groups
at roots of unity, I
Ta Khongsap, Dec. 4, R-matrix
and Schur-Jimbo duality
Chris Drupieski, Dec. 6, Quantum
groups at roots of unity, II
Spring Semester, 2007
January 17
Title: On the
structure of Kirillov-Reshetikhin
modules
Speaker: Adriano Adrega de Moura (University of Campinas, Brazil)
January 24
(job interviews)
No talk
Fall
Semester, 2006
September 13
Speaker: Weiqiang Wang (UVa)
Title: On the work of Andrei
Okounkov, a Fields
medalist
September 20
Speaker: Terrell Hodge (Western Michigan
University)
Title: On
Nilpotent Orbits and Desingularizations of Their Closures
September 27
No talk
October 4
Speaker:
Ta Khongsap (UVa)
Title: On Hecke algebras of finite and affine
type
October 11
Speaker:
Paramasamy Karuppuchamy (UVa)
Title: Cohomology of line bundles on Schubert
varieties
October 18
Speaker: Weiqiang
Wang (UVa)
Title: Binary polyhedral
groups and (affine) Cartan matrices
October 25
Speaker: Tie Luo (NSF)
Title: Recent development in
holomorphic forms on algebraic varieties of general type
February 1
Speaker:
John Faulkner
(UVA)
Title: Realization of graded-simple algebras as loop algebras
February 15
Speaker:
Jonathan Kujawa (University
of Georgia)
Title: An algebraist does knot theory
March 1
Speaker: Dijana Jakelic (UVA)
Title: Completions of crystal bases of some representations of
quantum groups
March 15
Speaker: Earl Taft (Rutgers)
Title: A class of left quantum groups
March 22
Speaker: Dave Taylor (UVA)
Title: Trace functions of integrable modules over classical
subalgebras of gl_\infty
March 29
Speaker: Igor Rapinchuk (Harvard)
Title: Algebraic and Analytic Aspects of Dirichlet's Prime Number
Theorem
March 31 (Friday), 3:30 pm
Speaker: Mikhail Ershov (IAS)
Title: Golod-Shafarevich groups with property (T ) and Kac-Moody
groups
April 5
No seminar
April 12
Speaker: Peter Abramenko (UVA)
Title: Affine BN-pairs for norm 1 groups of quaternion algebras
April 19
Speaker: Dan Nakano (University of
Georgia)
Title: Quantum group cohomology via the geometry of the nullcone
April 26
Speaker:
Tim Steger (Universita di
Sassari, IAS)
Title: Free Group Representations: Duplicity on the Boundary
May 3
Speaker: Sarah Bendall (UVA)
(student presentation)
Title: The conjugacy problem in Richard Thompson's group F (after
Kassabov-Matucci)
August 31
Speaker: Aaron Phillips (UVA)
Title: The affine Hecke
algebra and friends.
September 21
Speaker: Jon Kujawa (University of Georgia)
Title: Cohomology and support
varieties for Lie superalgebras
October 21
Speaker: Tom Haines (University of Maryland)
Title: The geometry of
convolution morphisms, and applications to saturation problems.
October 26
(student presentation)
Speaker: Lei Zhao (UVA)
Title: Representations of
finite-dimensional algebras via
quivers.
November 9
(student presentations)
Speakers: Christopher Drupieski and Nicholas Hamblet (UVA)
Title: Division Algebra
Theorems of Frobenius and Wedderburn .
November 16
(student presentations)
(1) Speaker: Jason Castiglione (UVA)
Title: A simplicity
theorem for Tits systems.
(2) Speaker: Ta Khongsap (UVA)
Title: Irreducible
representations of the symmetric groups .
January 26, Wednesday, 3:30
Speaker: Nanhua Xi (Academia Sinica, Beijing /UVA)
Title: The leading
coefficients of certain Kazhdan-Lusztig polynomials of the permutation
group S_n
February 2, Wednesday, 3:30,
Speaker: Bin Shu (ECNU, China /UVA)
Title: Finite Lie algebras
and their representations
September 3, Friday, 2pm
Peter Neumann (Queens College, Oxford): Orbital equations in
primitive permutation groups
September 8, Wednesday
Bangming Deng (Beijing Normal Univ.): Representations
of quivers with automorphism
September 15, Wednesday
Jie Du (Univ. of New South Wales, Australia): Infinitesimal quantum
gl_n and little q-Schur algebras
September 22, Wednesday
(student presentation)
Jill McCarthy(UVA): Quasi-hereditary
Algebras
January 21, 3:30 Wednesday,
Stephen Berman (
Saskatchewan,
Canada/UVa): Half-Lattice
VOA's
January 30, 3:30 Friday,
Jon Brundan (Oregon): Representations of shifted Yangians
February 6, 3:30 Friday
,
Antun Milas (RPI):
Modular Forms,
Partitions and Conformal Field Theory
February 11, 4:30 Wednesday,
Rui-bin Zhang (Univ. of Sydney, Australia):
Induced representations of the quantum general
linear supergroup and Bott-Borel-Weil theorem
February 18, 3:30 Wednesday,
no seminar.
March 1, 3, 5 (Monday, Wednesday, Friday),
3:30pm, Ker 317
Seok-Jin Kang (Korea Institute for Advanced Study
):
1) General theory of
crystal bases, Young tableaux and crystals,
2) Perfect crystals, paths, and combinatorics of Young walls,
3) Fock space representations of quantum affine algebras and
generalized Lascoux-Leclerc-Thibon algorithm
------------------------------------------------------------
Fall Semester, 2003
.
September 3
,
Wednesday
organizational
meeting
September 10
,
Wednesday
Aaron Phillips (UVa): Representations of general linear and
symmetric
groups
September 15
,
Monday 3:30 --5:30 (joint with Geometry Seminar)
Mikhail Khovanov (UC Davis)
First
half: Link homology. Second half: Homological
algebra and tangle cobordisms
September 17
,
Wednesday
Shun-Jen Cheng (National Taiwan University): A survey of Lie
superalgebras
September 24
,
Wednesday
Bruce Allison (Alberta, Canada): Loop algebras of Lie algebras
October 1, Wednesday (student presentations)
Michial Thompson (UVa): Partitions and q-series
identities,
I
David Taylor (UVa): Partitions
and q-series identities, II
October 10, Friday 3:30
Mark Shimozono (Virginia Tech): The Zelevinsky map and the ratio formula
for
quiver polynomials
October 15, Wednesday
Shun-Jen Cheng (National Taiwan University): Howe duality and
symmetric
function identities
October 22, Wednesday
Brian Parshall (UVa): Tilting modules for beginners
October 31, Friday 3:30
Yuri Berest (Cornell): Quasi-invariants of complex reflection groups
November 5, Wednesday
Pierre-Emmanuel Caprace (Brussels/UVa): Isomorphisms of Kac-Moody groups
November 12, Wednesday (student presentations)
Dominic Braun (UVa): Presentations
of groups acting on simplicial complexes
Bill Kranec (UVa): Finite
subgroups of quaternions
November 14, Friday (student presentations)
Brian Kapp (UVa): Dimension formulas for an irreducible module of the
symmetric
group
Lorena Bociu (UVa): The Robinson-Schensted-Knuth correspondence
November 19, Wednesday
Ping Xu (Penn State): Quantization of dynamical r-matrices
November 21, Friday (student presentations)
Jess Audit (UVa): A
double cover of the symmetric group
Matthew Pons (UVa): On partition theorems of Fine and Dyson
November 26, Wednesday
No
talk (Thanksgiving break)
December 5, Friday, 3:30 (student presentations)
Jill McCarthy: The
Irreducible $k[S_n]$-modules for $k$ an algebraically closed field of
characteristic
$p \geq 0$
Katie Gorder: Miniquaternion Geometry: The Four Projective Planes of
Order
Nine
Mike Dean: Representations
and characters of wreath products
December 15, Monday, 2:30
(student presentations)
Wess Cramer (UVa)
: Complete varieties
Joe Fox
:
Classification of
reductive groups
------------------------------------------------------------
Spring Semester, 2003.
January 22, Wednesday.
Hendrik Van Maldeghem (Univ. of Ghent): On the Moufang condition
for generalized quadrangles
January 31, Friday (NOTE the special day), 2pm.
Bob Griess Jr. (Univ. of Michigan): A new uniqueness proof
for the E_8 lattice
Feb 5, Wednesday.
Charles Dunkl (UVA): Complex reflection groups
Feb 12, Wednesday.
Stuart Margolis (Bar-Ilan University, Israel/UVA):
Automata and semigroup theoretic algorithms for subgroups of free and
related
groups
Feb 21, Friday (NOTE the special day), 2pm.
Eric Sommers (IAS/UMass-Amherst):
On
the
semisimple conjugacy class attached to a nilpotent orbit in a simple
Lie
algebra
Feb 26, Wednesday.
Stuart Margolis (Bar-Ilan University, Israel/UVA):
Automata and semigroup theoretic algorithms for subgroups of free and
related groups II.
March 5, Spring break, no talk.
March 19, Wednesday.
John Faulkner (UVA): Duals of algebras
April 2, Wednesday.
Harold Ward (UVA): The Basics of Algebraic Coding Theory.
April 9, Wednesday.
Harold Ward (UVA): Special Codes.
April 18, Friday (note the special day), 2pm.
Shrawan Kumar (UNC-Chapel Hill): A conjectural
generalization
of n! result to arbitrary groups
April 23, Wednesday.
Olivier Pfister (UVA): Group representation theory
in
physics and quantum computing
April 25, Friday (note the special day), 2pm.
Harold Ward (UVA): Recent Developments in Coding Theory.
April 30, Wednesday.
Harold Ward (UVA): More recent Developments in
Coding
Theory
------------------------------------------------------------
Fall Semester, 2002.
September 18.
Harold Ward (UVA): Designs and Codes.
September 25.
Harold Ward (UVA): Designs and Codes, II
October 2.
Peter Abramenko (UVA): Some rings with SL_2(R) unequal to E_2(R)
I: A survey
October 9.
No talk is scheduled (due to the department faculty meeting)
October 16.
Weiqiang Wang (UVA): The class algebra of the symmetric group
and
its variants
October 23.
Kevin McCrimmon (UVA): Was sind und was sollen die Jordan
Algebren.
November 1, Friday (NOTE the special day), 2pm.
Boris Tsygan (Northwestern): Index theory, operads, and
deformations
November 6.
Weiqiang Wang (UVA): The symmetric groups and vertex operators
November 13. [Tea 3:30--4:00]
Sylvia Weigand (NSF and University of Nebraska): Prime
ideals
in Noetherian rings
November 15, Friday (NOTE the special day), 2pm.
Milen Yakimov (Cornell): Belavin-Drinfeld Poisson structures on
simple
Lie groups
November 20.
Peter Abramenko (UVA):
Some rings with SL_2(R) unequal to E_2(R) II: Applications of
Bass-Serre
theory
December 4, Wednesday.
Chirashree Bhattacharya (UVA): Representations of Aut(F_2) on
relation
modules