## Geometry Seminar

### Mondays and Wednesdays at 3pm, MIT, Room 4-265

Contacts: D. Auroux, V. Guillemin, T. Mrowka, T. Colding, K. Wehrheim

Fall 2006 schedule

### Spring 2007

**Wednesday February 7:** K. Wehrheim (MIT): *Lagrangian correspondences, holomorphic quilts, and a Floer field theory*
**Monday February 12:** J. Sparks (Harvard): *Sasaki-Einstein geometry*
**Wednesday February 14:** B. Weinkove (Harvard): *Canonical Kähler metrics and energy functionals*
**Wednesday February 21:** J. McKernan (UCSB): *Finite generation of the canonical ring, I*
**Monday February 26:** no seminar
**Wednesday February 28:** T. Perutz (Cambridge): *Broken pencils and 4-manifold invariants*
**Monday March 5:** M. Mirzakhani (Clay, Princeton): *Random hyperbolic surfaces and the dynamics of twist flows on the moduli space*
**Wednesday March 7:** J. Mickelsson (KTH): *Twisted K-theory, twisted cohomology and Dirac type operators*
**Monday March 12, 3pm:** P. Albers (NYU): *A non-displaceable Lagrangian torus in T*S*^{2}
**Monday March 12, 4pm:** P. Ozsvath (Columbia): *Knot Floer homology and singular knots*
**Wednesday March 14:** C. Manolescu (Clay, Columbia): *Combinatorial cobordism maps in hat Heegaard Floer theory*
**Monday March 19:** D. Tamarkin (Northwestern): *On microlocal sheaves*
**Wednesday March 21:** E. Meinrenken (Toronto): *Twisted K-homology and group-valued moment maps*
**Monday April 2:** U. Frauenfelder (LMU Munich): *Rabinowitz's action functional and obstructions to exact contact embeddings*
**Wednesday April 4:** no seminar
**Monday April 9:** V. Kaloshin (Penn State): *Oscillatory motions, Arnold diffusion, and nonlocal instabilities for the planar 3 body problem*
**Wednesday April 11:** L. Kessler (MIT): *Holomorphic shadows in the eyes of model theory*
**Wednesday April 18:** K. Costello (Northwestern): *Renormalisation and the Batalin-Vilkovisky formalism*
**Friday April 20 - Sunday April 22:** Symplectic conference at Clay
Institute
**Monday April 23 at 2:30pm in 1-242:** J. Latschev (Humboldt U. Berlin): *Symplectic field theory and string topology*
**Monday April 23 - Thursday April 26:** special lecture series by
A. Kapustin (Caltech), at 4pm.
**Monday April 30:** K. Walker (Microsoft): *Khovanov homology as a 4-category; Khovanov skein modules for 4-manifolds*
**Wednesday May 2:** Y. Rubinstein (MIT): *Energy functionals, Kahler-Einstein metrics, and the Moser-Trudinger-Onofri inequality*
**Monday May 7:** M. Abouzaid (U. of Chicago): *Homological mirror symmetry for toric varieties*
**Wednesday May 9:** no seminar
**Monday May 14:** no seminar (Clay research conference)
**Wednesday May 16:** J. Viaclovsky (U. Wisconsin): *Orthogonal complex structures on domains in R^4*