AMS Sectional Meeting Program by Special Session

Current as of Sunday, May 11, 2008 00:21:07

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

Saturday May 3, 2008, 8:30 a.m.-10:50 a.m.
Special Session on Combinatorics of Partially Ordered Sets, I
Room RN 105, Roberts Hall North
Organizers:
Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
Shahriar Shahriari, Pomona College sshahriari@pomona.edu
- 8:30 a.m.
  Inversion arrangements and lower intervals in the Bruhat order.
  Axel Hultman, KTH, Stockholm
  Svante Linusson, KTH, Stockholm
  John Shareshian*, Washington University
  Jonas Sj\"ostrand, KTH, Stockholm
  (1039-05-116)
- 9:00 a.m.
  The Schur-positivity poset.
  Peter R. W. McNamara*, Bucknell University
  Stephanie van Willigenburg, University of British Columbia
  (1039-05-129)
- 9:30 a.m.
  Crossings and Nestings of Two Edges in Set Partitions.
  Catherine Yan*, Texas A&M University
  Svetlana Poznanovik, Texas A&M University
  (1039-05-62)
- 10:00 a.m.
  Forbidden characterization of the fractional weak discrepancy of posets.
  Jeong Ok Choi*, University of Illinois at Urbana-Champaign
  (1039-05-71)
- 10:30 a.m.
  Erdos-Ko-Rado for permutations and set partitions.
  Cheng Yeaw Ku*, California Institute of Technology
  (1039-05-45)

Saturday May 3, 2008, 3:00 p.m.-4:50 p.m.
Special Session on Combinatorics of Partially Ordered Sets, II
Room RN 105, Roberts Hall North
Organizers:
Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
Shahriar Shahriari, Pomona College sshahriari@pomona.edu
- 3:00 p.m.
  Unavoidable subhypergraphs beyond the EKR bound.
  Zoltan F\"uredi*, Dept. Mathematics, University of Illinois at Urbana-Champaign
  (1039-05-55)
- 3:30 p.m.
  On Shadows in Posets.
  Glenn Hurlbert*, Arizona State University
  (1039-05-147)
- 4:00 p.m.
  Poset related to graph indices of trees.
  Hua Wang*, University of Florida
  (1039-05-44)
- 4:30 p.m.
  Distribution of Segment Lengths in Genome Rearrangements.
  Glenn P. Tesler*, University of California, San Diego
  (1039-05-148)

Sunday May 4, 2008, 8:30 a.m.-10:50 a.m.
Special Session on Combinatorics of Partially Ordered Sets, III
Room RN 105, Roberts Hall North
Organizers:
Timothy M. Hsu, San Jose State University hsu@math.sjsu.edu
Mark J. Logan, University of Minnesota-Morris loganm@morris.umn.edu
Shahriar Shahriari, Pomona College sshahriari@pomona.edu
- 8:30 a.m.
  On chain partitions for quotients of the Boolean lattice.
  Jerrold R. Griggs*, University of South Carolina, Columbia, SC
  (1039-05-120)
- 9:00 a.m.
  Nested Chain Decompositions of Normalized Matching Posets of Rank 3.
  Jordan O Tirrell*, Lafayette College
  Elinor Escamilla, Pomona College
  Andreea Nicolae, Pomona College
  Paul Salerno, Pomona College
  Shahriar Shahriari, Pomona College
  (1039-05-87)
- 9:30 a.m.
  Matchwebs.
  Rae Fredrich*, University of Minnesota, Morris
  Tim Hsu, San Jose State University
  Mark J. Logan, University of Minnesota, Morris
  Katherine Nolan, San Jose State University
  (1039-05-163)
- 10:00 a.m.
  Distributive Lattices of Small Width: A Problem from Richard Stanley's 1986 Text {\sl Enumerative Combinatorics\/}.
  Jonathan David Farley*, California Institute of Technology
  Ryan Klippenstine, Brandon University
  (1039-06-154)
- 10:30 a.m.
  Graph Homomorphisms.
  Eric Babson*, CA
  (1039-00-160)

Inquiries: meet@ams.org