AMS Sectional Meeting Program by Special Session

Current as of Saturday, April 11, 2009 00:27:58

---

Program  |  Deadlines  |  Registration/Housing/Etc.  |  Special Event or Lecture  |  Inquiries:  meet@ams.org

---

2009 Spring Southeastern Section Meeting
Raleigh, NC, April 4-5, 2009 (Saturday - Sunday)
Meeting #1048

Associate secretaries:
Matthew Miller, AMS miller@math.sc.edu

---

Special Session on Rings, Algebras, and Varieties in Combinatorics

• Saturday April 4, 2009, 8:00 a.m.-10:40 a.m.
  Special Session on Rings, Algebras, and Varieties in Combinatorics, I
  Room 232A, Withers Hall
  Organizers:
  Patricia Hersh, North Carolina State University phersh@indiana.edu
  Christian Lenart, SUNY Albany
  Nathan Reading, North Carolina State University
  

  • 8:00 a.m.
    See the detail of the talks presented jointly under the listing for the Special Session on Applications of Algebraic and Geometric Combinatorics, I.
• Saturday April 4, 2009, 2:30 p.m.-5:20 p.m.
  Special Session on Rings, Algebras, and Varieties in Combinatorics, II
  Room 150, Withers Hall
  Organizers:
  Patricia Hersh, North Carolina State University phersh@indiana.edu
  Christian Lenart, SUNY Albany
  Nathan Reading, North Carolina State University
  

  • 2:30 p.m.
    Total positivity for loop groups.
    Thomas Lam*, Harvard University
    Pavlo Pylyavskyy, University of Michigan, Ann Arbor
    (1048-05-67)
  • 3:00 p.m.
    Positivity results for cluster algebras.
    Gregg Musiker, MIT
    Ralf Schiffler, University of Connecticut
    Lauren Williams*, Harvard
    (1048-05-61)
  • 3:30 p.m.
    Non-crossing and non-nesting bases for the coordinate ring of the Grassmannian.
    David E Speyer*, MIT/Clay Mathematics Institute
    Pavlo Pylyavskyy, University of Michigan
    Kyle Petersen, University of Michigan
    (1048-05-254)
  • 4:00 p.m.
    Pieri rules.
    Julianna Tymoczko*, University of Iowa
    (1048-14-352)
  • 4:30 p.m.
    Rook-by-Rook Rook Theory.
    Nicholas A. Loehr*, Virginia Tech
    Jeffrey Remmel, UCSD
    (1048-05-152)
  • 5:00 p.m.
    The Veronese construction, h-vectors, and unimodality.
    Francesco Brenti*, Universita' di Roma "Tor Vergata"
    (1048-05-301)
• Sunday April 5, 2009, 8:00 a.m.-10:50 a.m.
  Special Session on Rings, Algebras, and Varieties in Combinatorics, III
  Room 150, Withers Hall
  Organizers:
  Patricia Hersh, North Carolina State University phersh@indiana.edu
  Christian Lenart, SUNY Albany
  Nathan Reading, North Carolina State University
  

  • 8:00 a.m.
    Hall Littlewood Polynomials and the Nabla Operator from Macdonald Theory.
    J. Haglund*, University of Pennsylvania
    J. Morse, Drexel University
    M. Zabrocki, York University
    (1048-05-198)
  • 8:30 a.m.
    On the g-conjecture.
    Eran Nevo*, Cornell University
    (1048-05-25)
  • 9:00 a.m.
    A variety of recent results concerning f-vectors of manifolds.
    Isabella Novik*, University of Washington, Seattle
    Edward B Swartz, Cornell University
    (1048-05-55)
  • 9:30 a.m.
    f-vectors of manifolds with boundary.
    Isabella Novik, University of Washington, Seattle
    Edward Swartz*, Cornell University
    (1048-05-56)
  • 10:00 a.m.
    Hopf structures on binary trees (variations on a theme).
    Stefan Forcey, Tennessee State University
    Aaron Lauve*, Texas A&M University
    Frank Sottile, Texas A&M University
    (1048-16-348)
  • 10:30 a.m.
    MacMahon master theorem in Hecke algebras.
    Matjaz Konvalinka*, Vanderbilt University
    (1048-05-218)
• Sunday April 5, 2009, 2:30 p.m.-5:20 p.m.
  Special Session on Rings, Algebras, and Varieties in Combinatorics, IV
  Room 140, Withers Hall
  Organizers:
  Patricia Hersh, North Carolina State University phersh@indiana.edu
  Christian Lenart, SUNY Albany
  Nathan Reading, North Carolina State University
  

  • 2:30 p.m.
    These talks are presented jointly with the Special Session on Applications of Algebraic and Geometric Combinatorics.
  • 2:30 p.m.
    Cyclic sieving and permutation statistics.
    John Shareshian*, Washington University
    Michelle Wachs, University of Miami
    (1048-05-239)
  • 3:00 p.m.
    Rees products of posets and lexicographical shellability.
    John Shareshian, Washington University
    Michelle L Wachs*, University of Miami
    (1048-05-370)
  • 3:30 p.m.
    Longest strictly increasing subsequences and the Hecke insertion algorithm.
    Alexander Yong*, University of Illinois at Urbana-Champaign
    Hugh Thomas, University of New Brunswick
    Ofer Zeitouni, University of Minnesota
    (1048-05-38)
  • 4:00 p.m.
    Rationality, irrationality, and Wilf oequivalence in generalized factor order.
    Sergey Kitaev, Reykjavik University
    Jeffrey Liese, University of California, San Diego
    Jeffrey Remmel, University of California, San Diego
    Bruce Sagan*, Michigan State University
    (1048-05-16)
  • 4:30 p.m.
    Bitableau bases for Garsia--Haiman modules of hollow type.
    Edward E. Allen, Wake Forest University
    Miranda C. Marion, Winston-Salem, NC
    Gregory S. Warrington*, University of Vermont
    (1048-05-290)
  • 5:00 p.m.
    Topological Cohen--Macaulay criteria for monomial ideals.
    Ezra Miller*, Duke University
    (1048-05-169)

---

Inquiries:  meet@ams.org