AMS Sectional Meeting Program by Special Session

Current as of Tuesday, April 12, 2005 15:10:43

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

Saturday October 5, 2002, 9:00 a.m.-10:50 a.m.
Special Session on Modern Schubert Calculus, I
Room 150, Dodge Hall
Organizers:
Frank Sottile, University of Massachusetts, Amherst sottile@math.umass.edu
Christopher T. Woodward, Rutgers University ctw@math.rutgers.edu
- 9:00 a.m.
  GKM spaces with non-isolated fixed points.
  Victor Guillemin*, MIT
  Tara S Holm, MIT
  (979-14-223)
- 9:30 a.m.
  Schur and Schubert polynomials are Thom polynomials.
  Richard Rimanyi*, Ohio State University
  (979-14-90)
- 10:00 a.m.
  Schubert Calculus on Bott-Samelson Manifolds.
  Rebecca Goldin*, George Mason University
  (979-53-196)
- 10:30 a.m.
  Polynomials associated to Bott-Samelson resolutions and torsion in intersection cohomology.
  Tom Braden*, University of Massachusetts, Amherst
  (979-14-144)

Saturday October 5, 2002, 2:30 p.m.-5:20 p.m.
Special Session on Modern Schubert Calculus, II
Room 150, Dodge Hall
Organizers:
Frank Sottile, University of Massachusetts, Amherst sottile@math.umass.edu
Christopher T. Woodward, Rutgers University ctw@math.rutgers.edu
- 2:30 p.m.
  Geometric proofs of Horn and Saturation conjectures.
  Prakash Belkale*, University of North Carolina
  (979-14-102)
- 3:00 p.m.
  A Vansihing and a Non-Vanshing Criterion for Schubert Calculus on $G/B$.
  Kevin Purbhoo*, U.C. Berkeley
  (979-00-224)
- 3:30 p.m.
  Divided differences and spaces of subwords.
  Catalin Zara*, Yale University
  (979-05-214)
- 4:00 p.m.
  Schubert Calculus over Free Skew-fields.
  Vladimir Retakh*, Rutgers University
  (979-16-138)
- 4:30 p.m.
  Degenerating Schubert varieties to unions of toric varieties associated to rc-graphs.
  Mikhail Kogan*, Northeastern University
  Ezra Miller, MSRI
  (979-14-187)
- 5:00 p.m.
  Positivity of quiver cycles via deformation.
  Allen Knutson, UC Berkeley
  Ezra Miller*, MSRI
  Mark Shimozono, Virginia Tech
  (979-14-233)

Sunday October 6, 2002, 9:00 a.m.-10:50 a.m.
Special Session on Modern Schubert Calculus, III
Room 150, Dodge Hall
Organizers:
Frank Sottile, University of Massachusetts, Amherst sottile@math.umass.edu
Christopher T. Woodward, Rutgers University ctw@math.rutgers.edu
- 9:00 a.m.
  A Schubert calculus recurrence from the noncomplex $W$-action on $G/B$.
  Allen Knutson*, UC Berkeley
  (979-05-236)
- 9:30 a.m.
  Grothendieck Polynomials via Permutation Patterns and Chains in the Bruhat Order.
  Cristian Lenart, State University of New York at Albany
  Shawn Robinson*, Rutgers University
  Frank Sottile, University of Massachusetts
  (979-05-143)
- 10:00 a.m.
  Computational aspects of Schubert Calculus.
  Alexander Yong*, University of Michigan, Ann Arbor
  (979-05-161)
- 10:30 a.m.
  Multiplication Formulas in the Grothendieck Ring of a Flag Variety.
  Cristian P. Lenart*, SUNY Albany
  (979-14-178)

Sunday October 6, 2002, 2:00 p.m.-4:50 p.m.
Special Session on Modern Schubert Calculus, IV
Room 150, Dodge Hall
Organizers:
Frank Sottile, University of Massachusetts, Amherst sottile@math.umass.edu
Christopher T. Woodward, Rutgers University ctw@math.rutgers.edu
- 2:00 p.m.
  Polynomial representatives of Schubert classes in $QH^*(G/B)$.
  Liviu Mare*, University of Toronto
  (979-22-162)
- 2:30 p.m.
  A Pieri formula for universal Schubert polynomials.
  Linda Chen*, Columbia University
  (979-14-217)
- 3:00 p.m.
  The Peterson variety and total positivity.
  Konstanze Rietsch*, King's College London
  (979-22-145)
- 3:30 p.m.
  Symmetries in quantum Schubert calculus.
  Harald Hengelbrock*, Ruhr-Universitaet Bochum
  (979-05-160)
- 4:00 p.m.
  Quantum Bruhat graph and Schubert polynomials.
  Alexander Postnikov*, MIT
  (979-05-240)
- 4:30 p.m.
  Gromov-Witten invariants on Grassmannians.
  Harry Tamvakis*, Brandeis University
  (979-14-174)

Inquiries: meet@ams.org