AMS Sectional Meeting AMS Special Session
Current as of Saturday, April 7, 2012 00:21:51
Inquiries: meet@ams.org
2012 Spring Central Section Meeting
University of Kansas, Lawrence, KS
March 30 - April 1, 2012 (Friday - Sunday)
Meeting #1081
Associate secretaries:
Georgia Benkart, AMS benkart@math.wisc.edu
Special Session on Enumerative and Geometric Combinatorics
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Saturday March 31, 2012, 8:00 a.m.-10:50 a.m.
Special Session on Enumerative and Geometric Combinatorics, I
Room 4034, Wescoe Hall
Organizers:
Margaret Bayer, University of Kansas
Joseph P. Kung, University of North Texas
Svetlana Poznanovik, Georgia Institute of Technology
Catherine Yan, Texas A&M University cyan@math.tamu.edu
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8:00 a.m.
Noncontractibility of the coset lattice of a finite group.
John Shareshian, Washington University in St. Louis
Russ Woodroofe*, Washington University in St. Louis
(1081-05-350) -
8:30 a.m.
Complexes of Signed Graphs and Decision Trees.
Jacob A White*, Arizona State University
(1081-05-253) -
9:00 a.m.
The Coloring Complex of a Hypergraph.
Sarah Crown Rundell*, Denison University
(1081-05-08) -
9:30 a.m.
Cuts and flows in cell complexes, I: Topology and vector space bases.
Art Duval*, University of Texas at El Paso
Caroline Klivans, Brown University
Jeremy Martin, University of Kansas
(1081-05-297) -
10:00 a.m.
Cuts and flows in cell complexes, II: Lattices and critical groups.
Art M Duval, University of Texas, El Paso
Caroline J Klivans, Brown University
Jeremy L Martin*, University of Kansas
(1081-05-296) -
10:30 a.m.
Peaks and the cd-index.
Samuel K. Hsiao*, Bard College
(1081-05-78)
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8:00 a.m.
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Saturday March 31, 2012, 2:30 p.m.-4:20 p.m.
Special Session on Enumerative and Geometric Combinatorics, II
Room 4034, Wescoe Hall
Organizers:
Margaret Bayer, University of Kansas
Joseph P. Kung, University of North Texas
Svetlana Poznanovik, Georgia Institute of Technology
Catherine Yan, Texas A&M University cyan@math.tamu.edu
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2:30 p.m.
Parking Functions in the Representation Theory of Diagonal Harmonics.
J. Haglund*, University of Pennsylvania
(1081-05-45) -
3:00 p.m.
Meanders and RNA Folding.
Christine E Heitsch*, Georgia Institute of Technology
(1081-05-300) -
3:30 p.m.
A new $q$-analog of the partition lattice.
Julian Moorehead, University of Miami
Michelle L Wachs*, University of Miami
(1081-05-316) -
4:00 p.m.
The short toric polynomial and the toric $h$-vector of a simple polytope.
Gábor Hetyei*, University of North Carolina at Charlotte
(1081-05-142)
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2:30 p.m.
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Sunday April 1, 2012, 8:00 a.m.-11:50 a.m.
Special Session on Enumerative and Geometric Combinatorics, III
Room 4034, Wescoe Hall
Organizers:
Margaret Bayer, University of Kansas
Joseph P. Kung, University of North Texas
Svetlana Poznanovik, Georgia Institute of Technology
Catherine Yan, Texas A&M University cyan@math.tamu.edu
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8:00 a.m.
Ballot Paths Avoiding both Patterns $urru$ and $rur$.
Heinrich Niederhausen*, Florida Atlantic University
(1081-05-119) -
8:30 a.m.
Surprising symmetries in objects counted by Catalan numbers.
Miklos Bona*, University of Florida
(1081-05-149) -
9:00 a.m.
Permutation Patterns and Statistics.
Bruce E Sagan*, Department of Mathematics, Michigan State University
(1081-05-35) -
9:30 a.m.
Dumont permutations with one occurrence of certain 3- and 4-letter patterns.
Alexander Burstein*, Howard University
(1081-05-371) -
10:00 a.m.
Cycles and sorting index for permutations and matchings.
Svetlana Poznanovikj*, Georgia Institute of Technology
(1081-05-369) -
10:30 a.m.
On the joint distribution of descents and inverse descents.
Mirkó Visontai*, University of Pennsylvania
(1081-05-24) -
11:00 a.m.
Lattice Path Matroid Polytopes.
Hoda Bidkhori*, Massachusetts Institute of Technology
(1081-05-402) -
11:30 a.m.
Discussion.
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8:00 a.m.
Inquiries: meet@ams.org