Topology Seminar Series: Adam Levine, Brandeis

Title: Embeddings of Non-orientable Surfaces in $L(p,q) \times I$ Speaker: Adam Levine, Brandeis Date: Thursday, April 18, 2013 Time: 11:30am – 12:30pm Place: Lecture Hall 102, Simons Center       [box, type=”download”]Watch the video.[/box] Abstract: We use the Heegaard Floer homology correction terms to obstruct finding essential embeddings of closed, non-orientable surfaces in the product … Read more

Geometry Program Seminar: Leon Takhtajan, Stony Brook University

Title: On Complexified Liouville Equation Speaker: Leon Takhtajan, Stony Brook University Date: Thursday, April 18, 2013 Time: 11:30am – 12:45pm Place: Seminar Room 313, Simons Center         [box, type=”download”]Watch the video.[/box]  

Conformal Geometry Program Lecture Series: Anton Nazarov, Chebyshev Laboratory, St. Petersburg

Title: Boundary Condition Changing Operators and Singular Vectors Virasoro and Affine Lie Algebra Modules Speaker: Anton Nazarov, Chebyshev Laboratory, St. Petersburg Date: Wednesday, April 17, 2013 Time: 4:00pm – 5:00pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video.[/box]   Abstract: We consider the behaviour of CFT correlation functions with respect to … Read more

SCGP Talk: Jun-Tun Wu, University of Oregon

Title: A-infinity Structures in Symplectic Geometry Speaker: Jun-Tun Wu, University of Oregon Date: Tuesday, April 16, 2013 Time: 2:15pm – 3:15pm Place: Seminar Room 313, Simons Center         [box, type=”download”]Watch the video.[/box]   Abstract: We introduce the notion of an A-infinity space which is a global version of A-infinity algebras. We discuss an … Read more

SCGP Weekly Talk: Neelima Sehgal, Stony Brook University

Title: Overview of the First Planck Cosmology Results Speaker: Neelima Sehgal, Stony Brook University Date: Tuesday, April 16, 2013 Time: 1:00pm – 2:00pm Place: Lecture Hall 102, Simons Center         [box, type=”download”]Watch the video.[/box]   Abstract: In 2009, the Planck Satellite was launched by the European and U.S. Space Agencies (ESA and NASA) … Read more

Topology Seminar Series: Mohammed Abouzaid, Columbia

Title: On Symplectic Khovanov Homology Speaker: Mohammed Abouzaid, Columbia Date: Thursday, April 11, 2013 Time: 11:30am – 12:30pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video.[/box]   Abstract: I will explain the main strategy in the proof that the knot invariant constructed by Seidel and Smith is isomorphic to Khovanov homology … Read more

SCGP Weekly Talk: Philippe Di Francesco

Title: Discrete Integrable Systems and Cluster Algebras Speaker: Philippe Di Francesco, CEA-Saclay Date: Tuesday, April 2, 2013 Time: 1:00pm – 2:00pm Place: Lecture Hall 102, Simons Center         Abstract: We discuss discrete time non-linear evolution equations arising from the study of quantum integrable spin chains in physics, and show how they fit … Read more

Topology Seminar Series: Brendan Owens, Glasgow

Title: Immersed Disks, Slicing Numbers and Concordance Unknotting Numbers Speaker: Brendan Owens, Glasgow Date: Thursday, April 4, 2013 Time: 11:30am – 12:30pm Place: Lecture Hall 102, Simons Center       [box, type=”download”]Watch the video.[/box]   Abstract: I will discuss various knot invariants and inequalities between them. This is joint work in progress with Saso Strle.

Conformal Geometry Program Seminar: Denis Bernard, Ecole Normale Superieure Paris

  Title: Open Quantum Random Walks: Bi-stability on Pure States and Ballistically Induced Diffusion Speaker: Denis Bernard, Ecole Normale Superieure Paris Date: Thursday, April 4, 2013 Time: 11:30am – 12:30pm Place: Seminar Room 313, Simons Center       [box, type=”download”]Watch the video.[/box] Abstract: Open quantum random walks (OQRWs) deal with quantum random motions on the … Read more

Conformal Geometry Program Lecture Series: Greg Lawler, University of Chicago

Title: Minkowski Content and the Schramm-Loewner Evolution Speaker: Greg Lawler, University of Chicago Date: Wednesday, April 3, 2013 Time: 4:00pm – 5:30pm Place: Seminar Room 313, Simons Center         Abstract: The d-dimensional Minkowski content of a bounded set in the complex plane is defined to be the the limit as r goes … Read more