AMS Sectional Meeting Program by Special Session

Current as of Saturday, October 13, 2007 00:36:29

Associate secretaries:
Susan J Friedlander, AMS susan@math.northwestern.edu

Friday October 5, 2007, 9:00 a.m.-10:50 a.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, I
Room 1216, Lewis Center
Organizers:
Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
- 9:00 a.m.
  Symmetrizable three-class association schemes and Schur rings.
  Sung Y. Song*, Iowa State University
  (1030-05-163)
- 9:30 a.m.
  New non-symmetric 3-class association schemes on 64 points.
  Leif K. J{\o}rgensen*, Aalborg University
  (1030-05-87)
- 10:00 a.m.
  Subsets of Coherent Configurations.
  Sylvia A. Hobart*, University of Wyoming
  (1030-05-191)
- 10:30 a.m.
  Cometric association schemes with the $Q$-antipodal property.
  William J Martin*, Department of Mathematical Sciences and Department of Computer Science, Worcester Polytechnic Institute
  (1030-05-184)

Friday October 5, 2007, 2:30 p.m.-5:50 p.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, II
Room 1216, Lewis Center
Organizers:
Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
- 2:30 p.m.
  Euclidean $t$-designs.
  Etsuko Bannai*, Faculty of Mathematics, Graduate School, Kyushu University
  (1030-05-247)
- 3:00 p.m.
  Delsarte LP bounds for complex systems of lines and subspaces.
  Aidan Roy*, University of Calgary
  (1030-05-404)
- 3:30 p.m.
  Perfect matchings in regular graphs from eigenvalues.
  Sebastian M. Cioab\u{a}*, University of California, San Diego
  David A. Gregory, Queen's University
  Willem H. Haemers, University of Tilburg
  (1030-05-340)
- 4:00 p.m.
  Association schemes and set partition systems.
  Karen Meagher*, University of Regina
  (1030-05-121)
- 4:30 p.m.
  A characterization of Q-polynomial triangle-free distance-regular graphs with an eigenvalue multiplicity equal to the valency.
  Aleksandar Jurisic*, Faculty of Computer and Information Science
  (1030-05-400)
- 5:00 p.m.
  Discussion
- 5:30 p.m.
  On schemes which contain a constrained set of involutions.
  Paul-Hermann Zieschang*, University of Texas at Brownsville
  (1030-05-427)

Saturday October 6, 2007, 9:00 a.m.-10:50 a.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, III
Room 1216, Lewis Center
Organizers:
Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
- 9:00 a.m.
  Association schemes from simple Bol loops.
  J. D. H. Smith*, Iowa State University
  K. W. Johnson, Penn State University Abington
  (1030-20-167)
- 9:30 a.m.
  On Morphisms of Association Schemes.
  Bangteng Xu*, Eastern Kentucky University
  (1030-05-56)
- 10:00 a.m.
  Fusions of character tables of groups and association schemes.
  Kenneth W Johnson*, Penn State University, Abington College,
  Stephen P Humphries, Brigham Young University
  (1030-20-235)
- 10:30 a.m.
  Nilpotent Table Algebras.
  Harvey I. Blau*, Northern Illinois University
  Bangteng Xu, Eastern Kentucky University
  (1030-05-322)

Saturday October 6, 2007, 2:30 p.m.-5:50 p.m.
Special Session on Algebraic Combinatorics: Association Schemes and Related Topics, IV
Room 1216, Lewis Center
Organizers:
Sung Y. Song, Iowa State University sysong@iastate.edu
Paul Terwilliger, University of Wisconsin terwilli@math.wisc.edu
- 2:30 p.m.
  Leonard triples.
  Brian W Curtin*, University of South Florida
  (1030-05-314)
- 3:00 p.m.
  \qquad \qquad {\bf A family of tridiagonal pairs.}\\.
  Melvin A. Vidar*, University of Wisconsin-Madison and University of the East-Manila, Philippines
  (1030-15-329)
- 3:30 p.m.
  Characterization of Tridiagonal Pair via Split Decomposition.
  Ali Godjali*, University of Wisconsin-Madison
  (1030-15-333)
- 4:00 p.m.
  The subconstituent algebra of a Latin square.
  Ibtisam Daqqa*, University of South Florida
  Brian Curtin, University of South Florida
  (1030-05-158)
- 4:30 p.m.
  Comparison of Character Formulas for the Lie superalgebra $gl(m,n)$.
  Ian M Musson*, University of Wisconsin at Milwaukee
  (1030-05-426)
- 5:00 p.m.
  The Terwilliger algebra of the wreath power of H(1,q).
  Gargi Bhattacharyya*, Iowa State University
  Sung-Yell Song, Iowa State University
  (1030-05-169)
- 5:30 p.m.
  The Robertson-Anstee cage with 40 vertices and related association scheme.
  Mikhail H. Klin*, Department of Mathematics, Ben-Gurion University of the Negev
  Matan Ziv-Av, Department of Mathematics, Ben-Gurion University of the Negev
  (1030-05-307)

Inquiries: meet@ams.org