AMS Sectional Meeting AMS Special Session
Current as of Wednesday, September 27, 2017 14:08:08
Inquiries: meet@ams.org
Fall Central Sectional Meeting
University of North Texas, Denton, TX
September 9-10, 2017 (Saturday - Sunday)
Meeting #1131
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Special Session on Algebraic Combinatorics of Flag Varieties
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Saturday September 9, 2017, 9:00 a.m.-10:50 a.m.
Special Session on Algebraic Combinatorics of Flag Varieties, I
Room 10, Business Leadership Building
Organizers:
Martha Precup, Northwestern University
Edward Richmond, Oklahoma State University edward.richmond@okstate.edu
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9:00 a.m.
Set-Valued Skyline Fillings.
Cara P Monical*, University of Illinois at Urbana-Champaign
(1131-05-405) -
9:30 a.m.
A Murnaghan-Nakayama Rule for Quantum Cohomology of the Flag Manifold.
Carolina Benedetti, Universidad de los Andes
Nantel Bergeron, York University
Laura Colmenarejo, York University
Franco Saliola*, Universit\'e du Qu\'ebec \`a Montr\'eal
Frank Sottile, Texas A University
(1131-05-419) -
10:00 a.m.
Prism tableaux for alternating sign matrix varieties.
Anna Weigandt*, University of Illinois at Urbana-Champaign
(1131-05-321) -
10:30 a.m.
A Demazure crystal construction for Schubert polynomials.
Sami Assaf, University of Southern California
Anne Schilling*, Department of Mathematics, UC Davis
(1131-05-36)
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9:00 a.m.
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Saturday September 9, 2017, 2:30 p.m.-4:50 p.m.
Special Session on Algebraic Combinatorics of Flag Varieties, II
Room 10, Business Leadership Building
Organizers:
Martha Precup, Northwestern University
Edward Richmond, Oklahoma State University edward.richmond@okstate.edu
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2:30 p.m.
A decomposition between the split decompositions for a tridiagonal pair.
Sarah R. Bockting-Conrad*, DePaul University
(1131-16-415) -
3:00 p.m.
Equations for some nilpotent varieties.
Ben D Johnson*, University of Massachusetts Amherst
Eric N Sommers, University of Massachusetts Amherst
(1131-17-170) -
3:30 p.m.
Combinatorial consequences of the representation stability of the cohomology of Springer varieties.
Aba Mbirika*, University of Wisconsin-Eau Claire
Julianna Tymoczko, Smith College
(1131-05-402) -
4:00 p.m.
The q-analog of Kostant's partition function and the highest root of the classical Lie algebras.
Pamela E Harris, Williams College
Erik Insko, Florida Gulf Coast University
Mohamed Omar*, Harvey Mudd College
(1131-05-395) -
4:30 p.m.
Posets, classical invariant theory, and highest weight Harish-Chandra modules.
Markus Hunziker*, Baylor University
(1131-22-182)
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2:30 p.m.
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Sunday September 10, 2017, 9:00 a.m.-11:20 a.m.
Special Session on Algebraic Combinatorics of Flag Varieties, III
Room 10, Business Leadership Building
Organizers:
Martha Precup, Northwestern University
Edward Richmond, Oklahoma State University edward.richmond@okstate.edu
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9:00 a.m.
Another formula for the cohomology and K-theory classes of regular Hessenberg varieties.
Erik Insko, Florida Gulf Coast University
Julianna Tymoczko, Smith College
Alexander Woo*, University of Idaho
(1131-14-40) -
9:30 a.m.
On the structure of regular nilpotent Hessenberg varieties.
Elizabeth Drellich*, Swarthmore College
(1131-14-281) -
10:00 a.m.
Singularities of semisimple Hessenberg varieties.
Erik A Insko*, Florida Gulf Coast University
Martha Precup, Northwestern University
(1131-14-260) -
10:30 a.m.
Betti numbers of regular Hessenberg varieties and characters of Hecke algebras.
Ryan Schneider, Washington University
John Shareshian*, Washington University
(1131-05-249) -
11:00 a.m.
Hessenberg varieties and affine Schubert cells.
Linda Chen, Swarthmore College
Julianna Tymoczko*, Smith College
(1131-14-414)
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9:00 a.m.
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Sunday September 10, 2017, 1:00 p.m.-2:50 p.m.
Special Session on Algebraic Combinatorics of Flag Varieties, IV
Room 10, Business Leadership Building
Organizers:
Martha Precup, Northwestern University
Edward Richmond, Oklahoma State University edward.richmond@okstate.edu
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1:00 p.m.
$K$-orbit closures and Barbasch-Evens-Magyar Varieties.
Laura Escobar*, University of Illinois at Urbana-Champaign
Benjamin J. Wyser, University of Illinois at Urbana-Champaign
Alexander Yong, University of Illinois at Urbana-Champaign
(1131-22-241) -
1:30 p.m.
Singularities of K-orbit closures and interval pattern avoidance.
Alexander Woo, University of Idaho
Benjamin J. Wyser*, University of Illinois at Urbana-Champaign
Alexander Yong, University of Illinois at Urbana-Champaign
(1131-14-371) -
2:00 p.m.
Restrictions on Galois groups of Schubert problems.
Robert L Williams*, Rose-Hulman Institute of Technology
(1131-14-332) -
2:30 p.m.
Freeness of multi-Coxeter arrangements of type A.
Michael DiPasquale*, Oklahoma State University
(1131-13-184)
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1:00 p.m.
Inquiries: meet@ams.org