AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:10:34

Associate secretaries:
John L Bryant, AMS bryant@math.fsu.edu

Friday October 24, 2003, 8:30 a.m.-10:50 a.m.
Special Session on Association Schemes: 1973--2003, I
Room 309, Gardner Hall
Organizers:
William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. Ray-Chaudhuri, Ohio State University dijen@math.ohio-state.edu
- 8:30 a.m.
  Tridiagonal pairs and the quantum affine algebra $U_q({\widehat {sl}}_2)$.
  Paul M Terwilliger*, University of Wisconsin
  Tatsuro Ito, Kanazawa University
  (991-05-58)
- 9:00 a.m.
  Taut distance-regular graphs of even diameter.
  Mark S MacLean*, University of North Carolina at Asheville
  (991-05-197)
- 9:30 a.m.
  The Terwilliger algebra of a distance-regular graph that supports a spin model.
  John S Caughman*, Portland State University
  Nadine Wolff, University of British Columbia
  (991-05-283)
- 10:00 a.m.
  Modular Leonard triples.
  Brian W Curtin*, University of South Florida
  (991-15-67)
- 10:30 a.m.
  Type-II matrices, four-weight spin models and Nomura algebras.
  Ada Chan*, California Institute of Technology
  (991-05-238)

Friday October 24, 2003, 2:30 p.m.-5:20 p.m.
Special Session on Association Schemes: 1973--2003, II
Room 309, Gardner Hall
Organizers:
William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. Ray-Chaudhuri, Ohio State University dijen@math.ohio-state.edu
- 2:30 p.m.
  A survey on the structure theory of association schemes.
  Paul-Hermann Zieschang*, University of Texas at Brownsville
  (991-20-256)
- 3:00 p.m.
  Amorphic Association Schemes I. From Folklore to Foundation.
  Andrew Woldar*, Villanova University
  Edwin van Dam, Tilburg University
  Mikhail Klin, University of Delaware & Ben-Gurion University
  Mikhail Muzychuk, Netanya Academic College
  (991-05-170)
- 3:30 p.m.
  Amorphic association schemes. II. A positive answer on a question of Barlotti-Strambach.
  Mikhail H. Klin*, University of Delaware, Newark and Ben-Gurion University of the Negev, Beer Sheva
  Aiso Heinze, University of Augsburg
  (991-05-208)
- 4:00 p.m.
  Decompositions of an Association Scheme.
  Sung Yell Song*, Iowa State University
  (991-05-227)
- 4:30 p.m.
  Some new 3-class association schemes.
  Jianmin Ma*, Colorado State University
  (991-05-272)
- 5:00 p.m.
  Discussion

Saturday October 25, 2003, 8:00 a.m.-10:50 a.m.
Special Session on Association Schemes: 1973--2003, III
Room 309, Gardner Hall
Organizers:
William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. Ray-Chaudhuri, Ohio State University dijen@math.ohio-state.edu
- 8:00 a.m.
  Designs on association schemes.
  R. A. Bailey*, Queen Mary, University of London
  (991-05-64)
- 8:30 a.m.
  Some non-existence results for partially balanced incomplete block designs.
  Malcolm Greig*, Greig Consulting
  (991-05-279)
- 9:00 a.m.
  Delsarte Polynomial and Designs.
  Mohan S. Shrikhande*, Central Michigan University
  (991-05-29)
- 9:30 a.m.
  Perfect Codes in the Johnson Scheme.
  Tuvi Etzion*, Technion
  (991-05-56)
- 10:00 a.m.
  Inequalities for Association Schemes.
  Jin Qian*, General Bandwidth, Inc
  Dijen Ray-Chaudhuri, Ohio State University
  (991-05-53)
- 10:30 a.m.
  Colouring Graphs from Association Schemes.
  Chris D Godsil*, University of Waterloo
  (991-05-189)

Saturday October 25, 2003, 2:30 p.m.-5:20 p.m.
Special Session on Association Schemes: 1973--2003, IV
Room 309, Gardner Hall
Organizers:
William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. Ray-Chaudhuri, Ohio State University dijen@math.ohio-state.edu
- 2:30 p.m.
  Open problems related to Association Schemes.
  Paul F Camion*, University of Paris 6
  (991-05-150)
- 3:00 p.m.
  Constructions of Pseudocyclic association schemes.
  Henk D L Hollmann, Philips Research Labs
  Qing Xiang*, University of Delaware
  (991-05-259)
- 3:30 p.m.
  Explicit Constructions of Families of LDPC Codes with Girth at Least Six.
  Vera Pless*, University of Illinois at Chicago
  Jon-Lark Kim, University of Nebraska, Lincoln
  Uri Peled, University of Illinois at Chicago
  Irina Perepelitsa, University of Illinois at Chicago
  (991-05-99)
- 4:00 p.m.
  Bounds on Distance Distributions in Codes of Known Size.
  Alexei Ashikhmin*, Bell Labs/Lucent Technologies
  Gerard Cohen, ENST
  Michael Krivelevich, Tel Aviv University
  Simon Litsyn, Tel AvivUniversity
  (991-05-273)
- 4:30 p.m.
  Completely regular binary codes.
  Jack H Koolen*, Korean Advanced Institute for Science and Technology
  (991-05-105)
- 5:00 p.m.
  The biweight enumerator of a binary code and the subconstituent algebra of the hypercube.
  William J. Martin*, Worcester Polytechnic Institute
  (991-05-40)

Inquiries: meet@ams.org