
AMS Sectional Meeting Program by Special Session
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1998 Fall Central Section Meeting
Chicago, IL, September 1213, 1998
Meeting #935
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics

Saturday September 12, 1998, 8:30 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, I
Room 8005, DePaul Center Organizers: Sung Yell Song, Iowa State University sung@math.iastate.edu

8:30 a.m.
Coherent configurations and $2$distance sets in real Euclidean spaces.
Eiichi Bannai*, Kyushu University
Etsuko Bannai, Kyushu University
(93505125)

9:00 a.m.
Quotients of coherent configurations.
Alyssa D Sankey*, Slippery Rock University
(93505149)

9:30 a.m.
Completely regular codes in Hamming graphs.
William J. Martin*, University of Winnipeg
Tara D. Taylor, University of Winnipeg
(93505236)

10:00 a.m.
Tight 2designs and perfect 1codes in Doob graphs.
Akihiro Munemasa*, Kyushu University
Jacobus Hendricus Koolen, Kyushu University
(93505155)

10:30 a.m.
Applying combinatorics of finite geometry to algebraic topology.
Stephen D Smith*, University of Illinois at Chicago
(9350539)

Saturday September 12, 1998, 3:00 p.m.5:50 p.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, II
Room 8005, DePaul Center Organizers: Sung Yell Song, Iowa State University sung@math.iastate.edu

3:00 p.m.
Combinatorial Inequalities for Quasipolynomial Semilattices.
Dijen K RayChaudhuri*, Department of Mathematics The Ohio State University
Jin Qian, Department of Mathematics The Ohio State University
(93505156)

3:30 p.m.
On Cayley graphs of 3transposition groups.
Norio Yamazaki*, Inperial College, London
(93505183)

4:00 p.m.
Superschemes and $t$vertex Condition Graphs.
Jerzy Wojdylo*, Southeast Missouri State University
(9350596)

4:30 p.m.
Association schemes with a nonsymmetric relation of valency two.
Mitsugu Hirasaka*, Department of Mathematics and Computer Science, BarIlan University
Mikhail Muzychuk, Department of Mathematics and Computer Science, BarIlan University
(93505205)

5:00 p.m.
A new inequality for bipartite distanceregular graphs.
Michael Lang*, University of WisconsinMadison
(93505218)

5:30 p.m.
Distribution invariants of association schemes.
Nachimuthu Manickam*, DePauw University
(93505234)

Sunday September 13, 1998, 8:00 a.m.10:50 a.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, III
Room 8005, DePaul Center Organizers: Sung Yell Song, Iowa State University sung@math.iastate.edu

8:00 a.m.
BoseMesner automorphisms and subschemes.
Chris D Godsil*, University of Waterloo
(9350567)

8:30 a.m.
Character Products and $Q$Polynomial Group Association Schemes.
Hiroshi Suzuki*, Department of Mathematics, International Christian University
(9350585)

9:00 a.m.
Integral table algebras and commutative association schemes with a nonsymmetric relation of valency 3.
Harvey I. Blau*, Northern Illinois University
(9350570)

9:30 a.m.
Some Remarks on a Regular Thin Near 7Gon.
Andrew J Woldar*, Villanova University
(93505187)

10:00 a.m.
Generalized classes in association schemes: arithmetic properties and a dual of a result of Burnside.
Kenneth W Johnson*, Penn state University, Abington College
Eirini Poimenidou, New College of the University of South Florida.
(93505109)

10:30 a.m.
Superscheme Classes, Burnside Algebras, and Speed's Orbit Problem.
Jonathan D. H. Smith*, Iowa State University
(93505108)

Sunday September 13, 1998, 3:00 p.m.5:50 p.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, IV
Room 8005, DePaul Center Organizers: Sung Yell Song, Iowa State University sung@math.iastate.edu

3:00 p.m.
Leonard systems and the qRacah polynomials.
Paul M Terwilliger*, Math Dept. University of Wisconsin, Madison, WI
(93505225)

3:30 p.m.
Tight distanceregular graphs.
Aleksandar Juri\v{s}i\'{c}*, IMFM
Jack Koolen, University of Eindhoven
Paul Terwilliger, University of Wisconsin
(93505159)

4:00 p.m.
The Terwilliger Algebra of the Hypercube $Q_D$.
Junie T. Go*, University of WisconsinMadison
(93505186)

4:30 p.m.
A Generalization of the Terwilliger Algebra .
Eric S Egge*, University of Wisconsin at Madison
(93505158)

5:00 p.m.
Tiling the integers with translates of one finite set.
Aaron D. Meyerowitz*, Florida Atlantic University
Ethan M. Coven, Wesleyan University
(93505223)

5:30 p.m.
On wreath product of commutative association schemes.
SungYell Song*, Iowa State University
(93505157)
Inquiries: meet@ams.org

