
AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:10:34
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2003 Fall Southeastern Section Meeting
Chapel Hill, NC, October 2425, 2003
Meeting #991
Associate secretaries: John L Bryant, AMS bryant@math.fsu.edu
Special Session on Association Schemes: 19732003

Friday October 24, 2003, 8:30 a.m.10:50 a.m.
Special Session on Association Schemes: 19732003, I
Room 309, Gardner Hall Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. RayChaudhuri, Ohio State University dijen@math.ohiostate.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
(9910558)

9:00 a.m.
Taut distanceregular graphs of even diameter.
Mark S MacLean*, University of North Carolina at Asheville
(99105197)

9:30 a.m.
The Terwilliger algebra of a distanceregular graph that supports a spin model.
John S Caughman*, Portland State University
Nadine Wolff, University of British Columbia
(99105283)

10:00 a.m.
Modular Leonard triples.
Brian W Curtin*, University of South Florida
(9911567)

10:30 a.m.
TypeII matrices, fourweight spin models and Nomura algebras.
Ada Chan*, California Institute of Technology
(99105238)

Friday October 24, 2003, 2:30 p.m.5:20 p.m.
Special Session on Association Schemes: 19732003, II
Room 309, Gardner Hall Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. RayChaudhuri, Ohio State University dijen@math.ohiostate.edu

2:30 p.m.
A survey on the structure theory of association schemes.
PaulHermann Zieschang*, University of Texas at Brownsville
(99120256)

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 & BenGurion University
Mikhail Muzychuk, Netanya Academic College
(99105170)

3:30 p.m.
Amorphic association schemes. II. A positive answer on a question of BarlottiStrambach.
Mikhail H. Klin*, University of Delaware, Newark and BenGurion University of the Negev, Beer Sheva
Aiso Heinze, University of Augsburg
(99105208)

4:00 p.m.
Decompositions of an Association Scheme.
Sung Yell Song*, Iowa State University
(99105227)

4:30 p.m.
Some new 3class association schemes.
Jianmin Ma*, Colorado State University
(99105272)

5:00 p.m.
Discussion

Saturday October 25, 2003, 8:00 a.m.10:50 a.m.
Special Session on Association Schemes: 19732003, III
Room 309, Gardner Hall Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. RayChaudhuri, Ohio State University dijen@math.ohiostate.edu

8:00 a.m.
Designs on association schemes.
R. A. Bailey*, Queen Mary, University of London
(9910564)

8:30 a.m.
Some nonexistence results for partially balanced incomplete block designs.
Malcolm Greig*, Greig Consulting
(99105279)

9:00 a.m.
Delsarte Polynomial and Designs.
Mohan S. Shrikhande*, Central Michigan University
(9910529)

9:30 a.m.
Perfect Codes in the Johnson Scheme.
Tuvi Etzion*, Technion
(9910556)

10:00 a.m.
Inequalities for Association Schemes.
Jin Qian*, General Bandwidth, Inc
Dijen RayChaudhuri, Ohio State University
(9910553)

10:30 a.m.
Colouring Graphs from Association Schemes.
Chris D Godsil*, University of Waterloo
(99105189)

Saturday October 25, 2003, 2:30 p.m.5:20 p.m.
Special Session on Association Schemes: 19732003, IV
Room 309, Gardner Hall Organizers: William J. Martin, Worcester Polytechnic Institute martin@wpi.edu
Dijen K. RayChaudhuri, Ohio State University dijen@math.ohiostate.edu

2:30 p.m.
Open problems related to Association Schemes.
Paul F Camion*, University of Paris 6
(99105150)

3:00 p.m.
Constructions of Pseudocyclic association schemes.
Henk D L Hollmann, Philips Research Labs
Qing Xiang*, University of Delaware
(99105259)

3:30 p.m.
Explicit Constructions of Families of LDPC Codes with Girth at Least Six.
Vera Pless*, University of Illinois at Chicago
JonLark Kim, University of Nebraska, Lincoln
Uri Peled, University of Illinois at Chicago
Irina Perepelitsa, University of Illinois at Chicago
(9910599)

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
(99105273)

4:30 p.m.
Completely regular binary codes.
Jack H Koolen*, Korean Advanced Institute for Science and Technology
(99105105)

5:00 p.m.
The biweight enumerator of a binary code and the subconstituent algebra of the hypercube.
William J. Martin*, Worcester Polytechnic Institute
(9910540)
Inquiries: meet@ams.org

