AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:10:31

Associate secretaries:
Lesley M Sibner, AMS lsibner@duke.poly.edu

Saturday April 12, 2003, 8:15 a.m.-10:45 a.m.
Special Session on Algebraic and Topological Combinatorics, I
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 8:15 a.m.
  Parabolic Kazhdan-Lusztig and $R$-polynomials for Hermitian symmetric pairs: the hyperoctahedral case.
  Francesco Brenti*, Universita' di Roma "Tor Vergata"
  (986-05-204)
- 8:55 a.m.
  Positive formulae for quiver polynomials.
  Allen Knutson*, UC Berkeley
  Ezra Miller, MSRI
  Mark Shimozono, Virginia Tech
  (986-14-215)
- 9:35 a.m.
  Hypertoric varieties.
  Nicholas Proudfoot*, U.C. Berkeley
  (986-14-161)
- 10:15 a.m.
  On Corner Cut Polytopes.
  Irene Mueller*, ETH Zuerich
  (986-05-129)

Saturday April 12, 2003, 2:30 p.m.-5:30 p.m.
Special Session on Algebraic and Topological Combinatorics, II
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 2:30 p.m.
  Realization of Abelian groups by complex plane nets.
  Sergey Yuzvinsky*, University of Oregon
  (986-14-141)
- 3:05 p.m.
  Gram matrices from Steinberg lattices and hyperplane arrangements.
  Graham Denham*, University of Western Ontario
  Nicole Lemire, University of Western Ontario
  (986-20-224)
- 3:45 p.m.
  Combinatorics of real and complex models of arrangements.
  Giovanni Gaiffi*, Scuola Normale Superiore di Pisa
  (986-52-96)
- 4:25 p.m.
  Fundamental groups of complex hyperplane arrangements.
  Alexander I. Suciu*, Northeastern University
  (986-20-232)
- 5:00 p.m.
  Complexity of the motion planning problem in the real projective space.
  Serge Tabachnikov*, Penn State
  Michael Farber, Tel Aviv University
  Sergei Yuzvinsky, University of Oregon
  (986-55-93)

Sunday April 13, 2003, 8:15 a.m.-10:45 a.m.
Special Session on Algebraic and Topological Combinatorics, III
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 8:15 a.m.
  Topological properties of active orders for matroid bases.
  Bruce E Sagan*, Michigan State University
  Rieuwert J Blok, Michigan State University
  (986-06-70)
- 8:55 a.m.
  The no-perfect-matching complex and related complexes.
  Svante Linusson, Link\"oping University
  John Shareshian*, Washington University
  Michelle Wachs, University of Miami
  Volkmar Welker, Philipps-Universit\"at Marburg
  (986-05-193)
- 9:35 a.m.
  Maps and graph colorings.
  Erik K. Babson*, University of Washington, Seattle
  Dmitry Kozlov, KTH
  (986-05-216)
- 10:15 a.m.
  Topological questions on non-Euclidean oriented matroids.
  Laura M Anderson*, Binghamton University
  (986-05-225)

Sunday April 13, 2003, 2:45 p.m.-5:15 p.m.
Special Session on Algebraic and Topological Combinatorics, IV
Room 613, Courant Building
Organizers:
Eva-Maria Feichtner, ETH, Zurich, Switzerland feichtne@math.ethz.ch
Dmitry N. Kozlov, University of Bern, Switzerland; and KTH, Stockholm, Sweden kozlov@math.ethz.ch
- 2:45 p.m.
  Some remarks about locally-defined combinatorial invariants.
  Robin Forman*, Rice University
  (986-57-199)
- 3:25 p.m.
  Combinatorial-topological aspects of hyperbolic volume.
  Ruth Kellerhals*, University of Fribourg
  (986-52-147)
- 4:05 p.m.
  Spreads of non-singular pairs in symplectic vector spaces.
  Steven H. Weintraub*, Lehigh Univ.
  (986-52-20)
- 4:45 p.m.
  Cluster algebras and Poisson Geometry.
  Michael Shapiro*, Michigan State University
  Michael Gekhtman, University of Notre Dame
  Alek Vainshtein, University of Haifa
  (986-57-151)

Inquiries: meet@ams.org