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

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

Saturday April 4, 2009, 8:00 a.m.-9:50 a.m.
Special Session on Enumerative Geometry and Related Topics, I
Room 115, Withers Hall
Organizers:
Richard L. Rimanyi, University of North Carolina, Chapel Hill
Leonardo C. Mihalcea, Duke University lmihalce@math.duke.edu
- 8:00 a.m.
  The positroid stratification of the Grassmannian.
  David E Speyer*, MIT/Clay Mathematics Institute
  Allen Knutson, Cornell
  Thomas Lam, Harvard
  (1048-14-262)
- 8:30 a.m.
  The cohomology class of positroid varieties, and quantum cohomology.
  Allen Knutson, Cornell University
  Thomas Lam*, Harvard University
  David Speyer, MIT/Clay
  (1048-14-196)
- 9:00 a.m.
  Equivariant (K-Theory) jeu de taquin for Grassmannians.
  Alexander Yong*, University of Illinois at Urbana-Champaign
  Hugh Thomas, University of New Brunswick
  (1048-05-81)
- 9:30 a.m.
  Intersecting some special subvarieties of the flag variety.
  Julianna Tymoczko*, University of Iowa
  (1048-14-356)

Saturday April 4, 2009, 2:30 p.m.-4:50 p.m.
Special Session on Enumerative Geometry and Related Topics, II
Room 115, Withers Hall
Organizers:
Richard L. Rimanyi, University of North Carolina, Chapel Hill
Leonardo C. Mihalcea, Duke University lmihalce@math.duke.edu
- 2:30 p.m.
  Counting the hyperplane sections with fixed moduli.
  Radu Laza*, University of Michigan
  (1048-14-377)
- 3:00 p.m.
  Wall crossing formulas for double Hurwitz numbers.
  Renzo Cavalieri*, Colorado State University
  (1048-14-123)
- 3:30 p.m.
  Intersections of Combinatorial Cycles in the Moduli Space of Curves.
  Alex Bene*, University of Southern California
  (1048-14-380)
- 4:00 p.m.
  Arc spaces and equivariant cohomology.
  David E Anderson*, University of Michigan
  Alan Stapledon, University of Michigan
  (1048-14-168)
- 4:30 p.m.
  Positivity and Kleiman transversality in equivariant $K$-theory of homogeneous spaces.
  David E. Anderson, University of Michigan
  Stephen Griffeth, University of Minnesota, Twin Cities
  Ezra Miller*, Duke University
  (1048-14-173)

Sunday April 5, 2009, 9:00 a.m.-10:50 a.m.
Special Session on Enumerative Geometry and Related Topics, III
Room 115, Withers Hall
Organizers:
Richard L. Rimanyi, University of North Carolina, Chapel Hill
Leonardo C. Mihalcea, Duke University lmihalce@math.duke.edu
- 9:00 a.m.
  Quantum Giambelli formulas for symplectic Grassmannians.
  Anders S Buch*, Rutgers University
  Andrew Kresch, Universitat Zurich
  Harry Tamvakis, University of Maryland
  (1048-05-365)
- 9:30 a.m.
  Growth diagrams for the Schubert multiplication.
  Cristian Lenart*, State University of New York at Albany
  (1048-05-85)
- 10:00 a.m.
  Experimentation at the Frontiers of Reality in Schubert Calculus.
  Zach Teitler*, Texas A&M University
  (1048-14-298)
- 10:30 a.m.
  A multiplicative formula for structure constants in the cohomology of flag varities.
  Edward L Richmond*, University of Oregon
  (1048-14-171)

Sunday April 5, 2009, 2:30 p.m.-3:50 p.m.
Special Session on Enumerative Geometry and Related Topics, IV
Room 115, Withers Hall
Organizers:
Richard L. Rimanyi, University of North Carolina, Chapel Hill
Leonardo C. Mihalcea, Duke University lmihalce@math.duke.edu
- 2:30 p.m.
  Enumerating singularities of smooth maps.
  Rustam Sadykov*, Dartmouth College
  (1048-58-211)
- 3:00 p.m.
  The General Quadruple Point Formula and Applications of Thom Polynomials to Problems in Enumerative Geometry.
  R Marangell*, The University of North Carolina at Chapel Hill
  R. Rimanyi, The University of North Carolina at Chapel Hill
  (1048-55-200)
- 3:30 p.m.
  Computing Singular Chern Classes and Related Invariants for Schubert Varieties in a Grassmannian.
  Benjamin F Jones*, University of Georgia
  (1048-14-324)

Inquiries: meet@ams.org