AMS Sectional Meeting Program by Special Session
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2000 Fall Central Section Meeting
Toronto, Ontario Canada, September 2324, 2000
Meeting #957
Associate secretaries:
Susan J Friedlander, AMS
susan@math.northwestern.edu
Special Session on Modern Schubert Calculus

Saturday September 23, 2000, 9:00 a.m.11:20 a.m.
Special Session on Modern Schubert Calculus, I
Room 119, Galbraith Building
Organizers:
Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

9:00 a.m.
Stratified spaces formed by totally positive varieties.
Sergey Fomin*, University of Michigan
Michael Z Shapiro, KTH Stockholm
(95714239)

9:30 a.m.
Connected components of real double Bruhat cells.
Andrei Zelevinsky*, Northeastern University
(95714247)

10:00 a.m.
Connections between singular loci and cohomology of Schubert Varieties.
Sara C Billey*, M.I.T.
(95705302)

10:30 a.m.
Smooth Schubert varieties in partial flag manifolds.
Vesslin Gasharov, Cornell University
Victor Reiner*, University of Minnesota
(95705173)

11:00 a.m.
Isotropic Schubert calculus and polytopes.
Nantel Bergeron, York University
Stefan Mykytiuk, York University
Frank Sottile, University of Massachusetts at Amherst
Stephanie van Willigenburg*, Cornell University
(95705206)

Saturday September 23, 2000, 3:00 p.m.5:20 p.m.
Special Session on Modern Schubert Calculus, II
Room 119, Galbraith Building
Organizers:
Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

3:00 p.m.
Descentcycling in Schubert calculus.
Allen I Knutson*, U. C. Berkeley
(95705236)

3:30 p.m.
A LittlewoodRichardson rule for multiplying Schur polynomials by certain Schubert polynomials.
Mikhail Kogan*, Northeastern University
(95705297)

4:00 p.m.
Break

4:30 p.m.
Pieri's Formula for the $T$Equivariant Cohomology of the Flag Variety.
Shawn A Robinson*, University of North Carolina at Chapel Hill
(95722312)

5:00 p.m.
A LittlewoodRichardson rule for the $K$theory of Grassmannians.
Anders S Buch*, MIT
(95714197)

Sunday September 24, 2000, 9:00 a.m.11:20 a.m.
Special Session on Modern Schubert Calculus, III
Room 119, Galbraith Building
Organizers:
Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

9:00 a.m.
Equivariant cohomology and regular ${\mathfrak B}$actions actions.
James B. Carrell*, Univ. of B. C.
Michel Brion, Univ. de Grenoble
(95714215)

9:30 a.m.
On Schubert Calculus in Symplectic Geometry.
Rebecca F Goldin*, University of Maryland
(95751262)

10:00 a.m.
Break

10:30 a.m.
Positivity in equivariant Schubert calculus.
William Graham*, University of Georgia
(95714311)

11:00 a.m.
Gr\"obner geometry of formulae for (double) Schubert polynomials.
Allen I. Knutson, UC Berkeley
Ezra N. Miller*, MIT
(95714270)

Sunday September 24, 2000, 2:00 p.m.4:50 p.m.
Special Session on Modern Schubert Calculus, IV
Room 119, Galbraith Building
Organizers:
Nantel Bergeron, York University bergeron@mathstat.yorku.ca
Frank Sottile, University of Wisconsin sottile@math.umass.edu

2:00 p.m.
Quantum Cohomology of Flag Manifolds.
Linda Chen*, Columbia University
(95714255)

2:30 p.m.
Standard conjectures for the arithmetic Grassmannian $G(2,n)$.
Andrew Kresch*, University of Pennsylvania
Harry Tamvakis, University of Pennsylvania
(9571452)

3:00 p.m.
Break

3:30 p.m.
Embeddings of Schur functions into types $B/C/D$.
Michael Kleber*, MIT
(95705172)

4:00 p.m.
Honeycombs and Facets of the Littlewood Richardson cone.
Allen Knutson, Berkeley
Terry Tao, UCLA
Chris Woodward*, Rutgers
(95705278)

4:30 p.m.
Eigenvalues of majorized Hermitian matrices and Schubert calculus.
William Fulton*, University of Michigan
(95715194)
Inquiries: meet@ams.org