AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:10:43
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2002 Fall Eastern Section Meeting
Boston, MA, October 56, 2002
Meeting #979
Associate secretaries:
Lesley M Sibner, AMS
lsibner@duke.poly.edu
Special Session on Modern Schubert Calculus

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 nonisolated fixed points.
Victor Guillemin*, MIT
Tara S Holm, MIT
(97914223)

9:30 a.m.
Schur and Schubert polynomials are Thom polynomials.
Richard Rimanyi*, Ohio State University
(9791490)

10:00 a.m.
Schubert Calculus on BottSamelson Manifolds.
Rebecca Goldin*, George Mason University
(97953196)

10:30 a.m.
Polynomials associated to BottSamelson resolutions and torsion in intersection cohomology.
Tom Braden*, University of Massachusetts, Amherst
(97914144)

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
(97914102)

3:00 p.m.
A Vansihing and a NonVanshing Criterion for Schubert Calculus on $G/B$.
Kevin Purbhoo*, U.C. Berkeley
(97900224)

3:30 p.m.
Divided differences and spaces of subwords.
Catalin Zara*, Yale University
(97905214)

4:00 p.m.
Schubert Calculus over Free Skewfields.
Vladimir Retakh*, Rutgers University
(97916138)

4:30 p.m.
Degenerating Schubert varieties to unions of toric varieties associated to rcgraphs.
Mikhail Kogan*, Northeastern University
Ezra Miller, MSRI
(97914187)

5:00 p.m.
Positivity of quiver cycles via deformation.
Allen Knutson, UC Berkeley
Ezra Miller*, MSRI
Mark Shimozono, Virginia Tech
(97914233)

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
(97905236)

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
(97905143)

10:00 a.m.
Computational aspects of Schubert Calculus.
Alexander Yong*, University of Michigan, Ann Arbor
(97905161)

10:30 a.m.
Multiplication Formulas in the Grothendieck Ring of a Flag Variety.
Cristian P. Lenart*, SUNY Albany
(97914178)

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
(97922162)

2:30 p.m.
A Pieri formula for universal Schubert polynomials.
Linda Chen*, Columbia University
(97914217)

3:00 p.m.
The Peterson variety and total positivity.
Konstanze Rietsch*, King's College London
(97922145)

3:30 p.m.
Symmetries in quantum Schubert calculus.
Harald Hengelbrock*, RuhrUniversitaet Bochum
(97905160)

4:00 p.m.
Quantum Bruhat graph and Schubert polynomials.
Alexander Postnikov*, MIT
(97905240)

4:30 p.m.
GromovWitten invariants on Grassmannians.
Harry Tamvakis*, Brandeis University
(97914174)
Inquiries: meet@ams.org