AMS Sectional Meeting Full Program

Current as of Saturday, April 23, 2005 00:22:16

Associate secretaries:
Michel L Lapidus, AMS lapidus@math.ucr.edu, lapidus@mathserv.ucr.edu

Saturday April 16, 2005, 7:15 a.m.-4:00 p.m.
Meeting Registration
Foyer, Girvetz Hall

Saturday April 16, 2005, 7:15 a.m.-4:00 p.m.
Exhibit and Book Sale
Foyer, Girvetz Hall

Saturday April 16, 2005, 8:00 a.m.-10:50 a.m.
Special Session on Curvature in Group Theory and Combinatorics, I
Room 2119, Girvetz Hall
Organizers:
Laura M. Anderson, State University of New York at Binghamton laura@math.binghamton.edu
Noel Patrick Brady, University of Oklahoma nbrady@math.ou.edu
Robin Forman, Rice University forman@math.rice.edu
Jonathan P. McCammond, University of California Santa Barbara jon.mccammond@math.ucsb.edu
- 8:00 a.m.
  Nested set complexes and spaces of trees.
  Eva-Maria E. Feichtner*, Department of Mathematics, ETH Zurich
  (1007-51-215)
- 8:30 a.m.
  The Bergman Complex of a Matroid.
  Caroline Klivans*, University of Chicago
  (1007-05-221)
- 9:00 a.m.
  CAT(0) Cubical Complexes in Group Theory.
  Michah Sageev*, Technion
  (1007-20-217)
- 9:30 a.m.
  The Action of Thompson's Group on a CAT(0) Boundary.
  Daniel S Farley*, University of Illinois at Urbana-Champaign
  (1007-20-208)
- 10:00 a.m.
  Discrete Morse Theory and Hom complexes.
  Dmitry N Kozlov*, ETH-Zurich
  (1007-05-216)
- 10:30 a.m.
  Discrete Morse theory and graph braid groups.
  Lucas Sabalka*, U. of Illinois at Urbana-Champaign
  (1007-20-157)

Saturday April 16, 2005, 8:00 a.m.-10:50 a.m.
Special Session on Algebraic Geometry and Combinatorics, I
Room 2120, Girvetz Hall
Organizers:
Alexander Yong, University of California Berkeley ayong@math.berkeley.edu
Allen Knutson, University of California Berkeley allenk@math.berkeley.edu
- 8:00 a.m.
  Polyhedral geometry in the McKay correspondence.
  Diane Maclagan*, Rutgers University
  (1007-14-197)
- 8:30 a.m.
  Stanley's convolution and Koszul duality for dual affine toric varieties.
  Tom Braden*, University of Massachusetts, Amherst
  Valery Lunts, Indiana University
  (1007-14-149)
- 9:00 a.m.
  Ehrhart polynomials and stringy Betti numbers.
  Mircea Mustata, University of Michigan, Ann Arbor
  Sam Payne*, University of Michigan, Ann Arbor
  (1007-14-228)
- 9:30 a.m.
  Kazhdan-Lusztig polynomials for hypertoric varieties.
  Ben T Webster*, University of California, Berkeley
  (1007-14-199)
- 10:00 a.m.
  Syzygies, multigraded regularity and toric varieties.
  Milena Hering*, University of Michigan
  Hal Schenck, Texas A&M University
  Greg Smith, Queens University, Ontario
  (1007-14-163)
- 10:30 a.m.
  Cohomology of rational forms on toric varieties.
  Anvar Mavlyutov*, Oklahoma State University
  (1007-14-203)

Saturday April 16, 2005, 8:00 a.m.-10:50 a.m.
Special Session on Automorphisms of Surfaces, I
Room 1116, Girvetz Hall
Organizers:
Anthony Weaver, Bronx Community College of the City University of New York aweaver436@aol.com
Peter Turbek, Purdue University Calumet turbek@calumet.purdue.edu
- 8:00 a.m.
  Automorphism groups of compact Riemann surfaces.
  Gareth A. Jones*, University of Southampton
  (1007-20-182)
- 9:00 a.m.
  Hyperelliptic Handlebodies.
  Jane Gilman*, Rutgers-Newark
  Linda Keen, Lehman College, CUNY
  (1007-20-92)
- 9:30 a.m.
  Trigonal Riemann surfaces with non-unique morphisms.
  Milagros Izquierdo*, Link\"opings Universitet, Link\"oping, Sweden
  Antonio Costa, UNED, Madrid, Spain
  Daniel Ying, Link\"opings Universitet
  (1007-20-102)
- 10:00 a.m.
  Hyperelliptic curves with reduced automorphism group $A_5$.
  Tony Shaska*, University of Idaho
  David Sevilla, Dpt. of Math., Stat. and Comput., University of Cantabria
  (1007-14-108)
- 10:30 a.m.
  Ramified normal coverings of hyperelliptic Klein surfaces.
  Emilio Bujalance, Department of Pure Mathematics, UNED, Spain
  Francisco-Javier Cirre*, Department of Pure Mathematics, UNED, Spain
  Jose-Manuel Gamboa, Department of Algebra, Universidad Complutense de Madrid
  (1007-14-138)