AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:10:42

Associate secretaries:
Lesley M Sibner, AMS lsibner@duke.poly.edu

Friday May 3, 2002, 9:00 a.m.-11:50 a.m.
Special Session on Combinatorial Hopf Algebras, I
Room B-3245, Pavillon 3200 Jean-Brillant
Organizers:
Marcelo Aguiar, Texas A\&M University maguiar@math.tamu.edu
Fran\c{c}ois Bergeron, Universit\'e du Qu\'ebec \'a Montr\'eal bergeron@lacim.uqam.ca
Christophe Reutenauer, Universit\'e du Qu\'ebec \'a Montr\'eal christo@math.uqam.ca
- 9:00 a.m.
  The incidence Hopf algebra of noncrossing partition lattices.
  William R. Schmitt*, The George Washington University
  (976-05-193)
- 9:30 a.m.
  Associahedra and cyclohedra as equivariant fiber polytopes.
  Vic Reiner*, Univ. of Minnesota
  (976-05-31)
- 10:00 a.m.
  Hit and non-hit classes in $H*(BO(3), {\mathbb F}_2)$.
  Ali S. Janfada*, Urmia University
  (976-55-15)
- 10:30 a.m.
  Homology of Newtonian Coalgebras.
  Margaret A. Readdy*, University of Kentucky
  Richard Ehrenborg, University of Kentucky
  (976-05-121)
- 11:00 a.m.
  Inequalities for Polytopes.
  Richard Ehrenborg*, University of Kentucky
  (976-05-134)
- 11:30 a.m.
  Free Level Algebras -- Application to Algebraic Topology.
  Muriel Livernet*, Paris 13
  David Chataur, CRM Barcelone
  (976-17-117)

Friday May 3, 2002, 1:30 p.m.-3:50 p.m.
Special Session on Combinatorial Hopf Algebras, II
Room B-3245, Pavillon 3200 Jean-Brillant
Organizers:
Marcelo Aguiar, Texas A\&M University maguiar@math.tamu.edu
Fran\c{c}ois Bergeron, Universit\'e du Qu\'ebec \'a Montr\'eal bergeron@lacim.uqam.ca
Christophe Reutenauer, Universit\'e du Qu\'ebec \'a Montr\'eal christo@math.uqam.ca
- 1:30 p.m.
  Hopf algebras on trees.
  Ralf Holtkamp*, University of Bochum, Germany
  (976-16-108)
- 2:00 p.m.
  Hopf algebras of planar rooted trees.
  Loic Foissy*, university of Reims, France
  (976-16-129)
- 2:30 p.m.
  The Hopf algebra of tree expanded series.
  Alessandra Frabetti*, Institut Girard Desargues, Univ. Lyon 1
  (976-16-24)
- 3:00 p.m.
  Pruning Kreimer's Trees.
  Michael E Hoffman*, U. S. Naval Academy
  (976-05-22)
- 3:30 p.m.
  Some Hopf algebras of trees.
  Pepijn P.I. van der Laan*, Mathematisch Instituut, Universiteit Utrecht
  (976-16-17)

Saturday May 4, 2002, 8:30 a.m.-10:50 a.m.
Special Session on Combinatorial Hopf Algebras, III
Room B-3245, Pavillon 3200 Jean-Brillant
Organizers:
Marcelo Aguiar, Texas A\&M University maguiar@math.tamu.edu
Fran\c{c}ois Bergeron, Universit\'e du Qu\'ebec \'a Montr\'eal bergeron@lacim.uqam.ca
Christophe Reutenauer, Universit\'e du Qu\'ebec \'a Montr\'eal christo@math.uqam.ca
- 8:30 a.m.
  Multiplication Formulas for Grothendieck Polynomials and Pieri Operators.
  Cristian P Lenart*, State University of New York at Albany
  (976-05-16)
- 9:00 a.m.
  A universal property of the quasi-symmetric functions.
  Nantel Bergeron*, York University
  Marcelo Aguiar, Texas A & M
  (976-05-141)
- 9:30 a.m.
  Plethystic methods in the theory of symmetric functions.
  Adriano Garsia*, University of California, San Diego
  (976-05-192)
- 10:00 a.m.
  The use of noncommutative Hopf algebras in representation theory of symmetric groups - an interim report.
  Manfred Schocker*, Universite du Quebec a Montreal
  (976-05-21)
- 10:30 a.m.
  A peak subalgebra of the symmetric group algebra.
  Marcelo Aguiar, Texas A&M
  Nantel Bergeron, York University
  Kathryn Nyman*, Texas A&M
  (976-05-204)

Saturday May 4, 2002, 2:30 p.m.-5:00 p.m.
Special Session on Combinatorial Hopf Algebras, IV
Room B-3245, Pavillon 3200 Jean-Brillant
Organizers:
Marcelo Aguiar, Texas A\&M University maguiar@math.tamu.edu
Fran\c{c}ois Bergeron, Universit\'e du Qu\'ebec \'a Montr\'eal bergeron@lacim.uqam.ca
Christophe Reutenauer, Universit\'e du Qu\'ebec \'a Montr\'eal christo@math.uqam.ca
- 2:30 p.m.
  A Hopf Algebra of Labelled Partially Ordered Sets.
  Claudia Malvenuto*, Universita' di Roma "La Sapienza"
  (976-05-39)
- 3:00 p.m.
  P-partitions and descent algebras of type B.
  Ira M Gessel*, Brandeis University
  (976-05-179)
- 3:30 p.m.
  Structure of the Malvenuto-Reutenauer Hopf algebra of permutations.
  Marcelo Aguiar, Texas A&M University
  Frank Sottile*, University of Massachusetts
  (976-05-174)
- 4:10 p.m.
  The Hopf algebra of signed permutations.
  Marcelo Aguiar, Texas A\&M University
  Swapneel Mahajan*, Cornell University
  (976-16-190)
- 4:40 p.m.
  A family of modules on the algebra of noncommutative symmetric functions.
  Daniel Krob*, CNRS
  Jean Yves Thibon, Universite de Marne la Vallee
  Florent Hivert, Universite de Marne la Vallee
  (976-05-98)

Sunday May 5, 2002, 9:00 a.m.-10:50 a.m.
Special Session on Combinatorial Hopf Algebras, V
Room B-3245, Pavillon 3200 Jean-Brillant
Organizers:
Marcelo Aguiar, Texas A\&M University maguiar@math.tamu.edu
Fran\c{c}ois Bergeron, Universit\'e du Qu\'ebec \'a Montr\'eal bergeron@lacim.uqam.ca
Christophe Reutenauer, Universit\'e du Qu\'ebec \'a Montr\'eal christo@math.uqam.ca
- 9:00 a.m.
  Hopf algebras of dimension 14.
  Margaret Beattie*, Mount Allison University
  Sorin Dascalescu, University of Bucharest
  (976-16-19)
- 9:30 a.m.
  A Hopf-algebraic structure for generalized transition polynomials.
  Joanna Ellis-Monaghan*, University of Vermont
  Irasema Sarmiento, University of Vermont
  (976-05-198)
- 10:00 a.m.
  Quantum groups and Markov traces on Hecke algebras.
  Rosa C Orellana*, Dartmouth College
  (976-05-170)
- 10:30 a.m.
  Bialgebras of recursive sequences and combinatorial identities.
  Carl A. Futia, Morton Grove, IL
  Eric F. M\"uller, Universit\"at M\"unchen
  Earl J. Taft*, Rutgers University
  (976-05-18)

Inquiries: meet@ams.org