TOPOLOGY SEMINAR
SPRING 2009
THURSDAY 4:30-5:30 pm

Fine Hall 314


DATE
SPEAKER
TOPIC
Feb. 05
Tao Li,
Boston College and Princeton University
A quadratic bound on the number of boundary slopes of essential surfaces
Feb. 12
Peter Zogarf,
Steklov Mathematical Institute
Computational geometry of moduli spaces of curves
Feb. 19
Chris Leininger,
U. Illinois, Urbana

Two generator subgroups of the pure braid group
Feb. 26
Dieter Kotschick,
Munchen, IAS
Topologically invariant Chern numbers of projective varieties
Mar. 5
Lee Mosher,
Rutgers, Newark
Subgroup classification in Out(F_n)
Mar. 12
Ben McReynolds,
University of Chicago
Congruence subgroup problem for mapping class groups
Mar. 26
Maryam Mirzakhani,
Princeton University
Recurrence of random paths and counting closed geodesics in strata
Apr. 2
Robert Lipshitz,
Columbia University
Bordered Floer homology: bimodules and computations

Please note special time and location:
Apr. 9,
4:00 p.m.
Fine 401

Sergio Fenley,
Princeton & Florida State University
Existence and rigidity of pseudo-Anosov flows transverse to R-covered foliations
Apr. 16
Zoltan Szabo,
Princeton University
Heegaard Floer homology and pants decompositions
Apr. 23
Kekiko Kawamuro,
IAS
Apr. 30
Thierry Barbot,
Universite d'Avignon

Please note special time, date, and location:
May 6, 4:45 p.m.,
Fine 401

Yoav Moriah,
Technion, Yale
Please note special time:
May 7
4:45 p.m.
Danny Calegari,
Caltech
Please note special date and location:
Tues,
May 19
Fine 1001
Peter Akhmet'ev