
Joint Mathematics Meetings AMS Special Session
Current as of Saturday, January 14, 2012 00:29:10
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Deadlines ·
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Inquiries: meet@ams.org
Joint Mathematics Meetings
John B. Hynes Veterans Memorial Convention Center, Boston Marriott Hotel, and Boston Sheraton Hotel, Boston, MA
January 47, 2012 (Wednesday  Saturday)
Meeting #1077
Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu
Gerard A Venema, MAA venema@calvin.edu
AMS Special Session on Enumerative and Algebraic Combinatorics

Thursday January 5, 2012, 8:30 a.m.11:50 a.m.
AMS Special Session on Enumerative and Algebraic Combinatorics, I
Room 204, Hynes Organizers: Ira Gessel, Brandeis University Alexander Postnikov, Massachusetts Institute of Technology Richard Stanley, Massachusetts Institute of Technology rstan@math.mit.edu

8:30 a.m.
On the bunkbed conjecture and related problems.
Svante Linusson*, KTH, Stockholm, Sweden.
(1077052062)

9:00 a.m.
Monotone Hurwitz numbers and the HCIZ integral.
Jonathan Novak*, Massachusetts Institute of Technology
(1077051569)

9:30 a.m.
The Potts model on random lattices.
Olivier Bernardi*, MIT
(1077051438)

10:00 a.m.
Enumerations deciding the weak Lefschetz property.
David W. Cook II*, University of Kentucky
Uwe Nagel, University of Kentucky
(107705545)

10:30 a.m.
Lifted generalized permutohedra and composition polynomials.
Federico Ardila*, San Francisco State University
Jeffrey Doker, University of California, Berkeley
(1077052311)

11:00 a.m.
Flow polytopes and the Kostant partition function for signed graphs.
Alejandro H. Morales*, MIT
Karola Mészáros, University of Michigan
(1077051965)

11:30 a.m.
Algebra based on real hyperplane arrangements.
Marcelo Aguiar*, Texas A&M University
Swapneel Mahajan, IIT Mumbai
(1077051574)

Thursday January 5, 2012, 1:00 p.m.3:50 p.m.
AMS Special Session on Enumerative and Algebraic Combinatorics, II
Room 204, Hynes Organizers: Ira Gessel, Brandeis University Alexander Postnikov, Massachusetts Institute of Technology Richard Stanley, Massachusetts Institute of Technology rstan@math.mit.edu

1:00 p.m.
Stable multivariate Eulerian polynomials and generalized Stirling permutations.
J. Haglund*, University of Pennsylvania
M. Visontai, University of Pennsylvania
(1077051950)

1:30 p.m.
The negative qbinomial.
Dennis Stanton*, University of Minnesota
(1077051880)

2:00 p.m.
Matrices with restricted entries and $q$analogues of permutations.
Joel Brewster Lewis*, MIT
Ricky Ini Liu, University of Michigan
Alejandro H. Morales, MIT
Greta Panova, UCLA
Steven V Sam, MIT
Yan X Zhang, MIT
(1077051935)

2:30 p.m.
Major Index for 01Fillings of Moon Polyominoes.
Catherine Yan*, Texas A&M University
William Chen, Nankai University, China
Svetlana Poznanovik, Goergia Institute of Technology
Arthur Yang, Nankai University, China
(1077051328)

3:00 p.m.
Bijections between ktriangulations, kfans of Dyck paths, and certain pipe dreams.
Luis G Serrano*, Universite du Quebec a Montreal
Christian Stump, Universite du Quebec a Montreal
(1077051636)

3:30 p.m.
The Möbius function of generalized subword order.
Peter R. W. McNamara*, Bucknell University
Bruce E. Sagan, Michigan State University
(1077061135)

Friday January 6, 2012, 1:00 p.m.5:50 p.m.
AMS Special Session on Enumerative and Algebraic Combinatorics, III
Room 204, Hynes Organizers: Ira Gessel, Brandeis University Alexander Postnikov, Massachusetts Institute of Technology Richard Stanley, Massachusetts Institute of Technology rstan@math.mit.edu

1:00 p.m.
Dismal Arithmetic.
David Applegate, AT&T Shannon Labs
Marc LeBrun, Fixpoint Inc.
Neil J. A. Sloane*, AT&T Shannon Labs
(107711104)

1:30 p.m.
Rational Catalan Combinatorics.
Drew Armstrong*, University of Miami
(1077051897)

2:00 p.m.
Chromatic quasisymmetric functions and Hessenberg varieties.
John Shareshian, Washington University
Michelle L Wachs*, University of Miami
(1077052254)

2:30 p.m.
Recent progress on the Shuffle Conjecture: Macdonald Polynomials and Parking Functions.
Adriano M. Garsia*, University of California San Diego
(1077051178)

3:00 p.m.
Vanishing Integrals for HallLittlewood Polynomials.
Vidya Venkateswaran*, California Institute of Technology
(107705372)

3:30 p.m.
$W$cells from scratch.
John R Stembridge*, University of Michigan
(107705838)

4:00 p.m.
The shape of a random affine Weyl group element, and random core partitions.
Thomas Lam*, University of Michigan
(107705706)

4:30 p.m.
Torus actions, multipartitions, and crystals.
Steven V Sam*, MIT
Peter Tingley, MIT
(107705320)

5:00 p.m.
A curious relation between two Markov chains.
Tomohiro Sasamoto, Chiba University
Lauren K Williams*, University of California, Berkeley
(1077051599)

5:30 p.m.
The $1/k$  Eulerian Polynomials.
Carla D. Savage*, North Carolina State University
Gopal Viswanathan, North Carolina State University
(1077051956)
