Floer Homology Google Group

last SGGTC tomorrow: Sheila Sandon in Math 507

h...@math.columbia.edu (Jen Hom) — Thu, 16 May 2013 14:35:17 UT

Hi folks,

Our last seminar of the semester will be Sheila Sandon, tomorrow in *Math
507* (not the usual room) at 10:45.

Title: The discriminant metric on the contactomorphism group
Abstract: I will explain the construction of a bi-invariant metric on the
universal cover of the contactomorphism group of any contact manifold, and

Corrin Clarkson in SGGTC tomorrow

h...@math.columbia.edu (Jen Hom) — Thu, 09 May 2013 13:36:05 UT

Hi folks,

Tomorrow, Corrin Clarkson will be speaking in the SGGTC in Math 507 (note
room change!) at 10:45 am. Title and abstract below, and lunch afterwards
as usual.

Title: 3-Manifold Mutations Detected by Heegaard Floer Homology
Abstract: Given a self-diffeomorphism γ of a closed surface S and an

Somnath Basu in SGGTC tomorrow

h...@math.columbia.edu (Jen Hom) — Thu, 02 May 2013 14:00:14 UT

Hi folks,

Tomorrow, Somnath Basu will be speaking in SGGTC, usual time and place.

Title: Transverse strings, knots and configuration spaces
Abstract: The study of free loop space of manifolds is classical. A loop in
M can be thought of as a closed arc in M x M with end points in the
diagonal. We define the space of transversal open strings, a subspace of

Hyun Kyu Kim in SGGTC tomorrow

h...@math.columbia.edu (Jen Hom) — Thu, 25 Apr 2013 17:48:34 UT

Hi folks,

Tomorrow, Hyun Kyu Kim will be speaking in the SGGTC, usual time and place.
Title and abstract below:

Title: Central extensions of the Ptolemy-Thompson group from quantization
of the universal Teichmuller space
Abstract: Quantization of the Teichmuller space of a surface yields
projective representations of the mapping class group and hence central

Brendan Owens tomorrow in SGGTC

h...@math.columbia.edu (Jen Hom) — Thu, 18 Apr 2013 13:27:50 UT

Hi folks,

Tomorrow, Brendan Owens will be speaking in the SGGTC. Title and abstract
below. See you there!

Title: Immersed disks and knot invariants
Abstract: The four-dimensional clasp number of a knot K in the three-sphere
is the minimum number of double points of an immersed disk in the four-ball

no SGGTC this week

h...@math.columbia.edu (Jen Hom) — Thu, 11 Apr 2013 19:13:29 UT

Hi folks,

There's no SGGTC this week. We'll resume next week with Brendan Owens
speaking about immersed disks and knot invariants.

Best,
Jen

SGGTC: Eleny Ionel tomorrow, Chris Wendl on Tuesday

h...@math.columbia.edu (Jen Hom) — Thu, 04 Apr 2013 21:24:39 UT

Hi folks,

Eleny Ionel will speak tomorrow in the SGGTC, usual time and place. And on *
Tuesday* April 9 at 4:10 pm in 622 Math, Chris Wendl is speaking. Titles
and abstracts below.

Eleny Ionel (tomorrow)
Title: A natural Gromov-Witten virtual fundamental class
Abstract: The moduli space of pseudo-holomorphic maps into closed

Yin Tian in SGGTC

h...@math.columbia.edu (Jen Hom) — Wed, 27 Mar 2013 15:14:15 UT

Hi folks,

On Friday, we have Yin Tian speaking in the SGGTC, usual time and place.

Title: A categorification of super Hopf algebra U_t sl (1|1) via contact
topology
Abstract: Representation theory of quantum groups has profound applications
to low-dimensional topology in the framework of Reshetikhin-Turaev

Michael Usher tomorrow

h...@math.columbia.edu (Jen Hom) — Thu, 14 Mar 2013 20:29:34 UT

Hi folks,

Tomorrow in the SGGTC we have Michael Usher speaking, usual time and place.
We'll go to lunch afterwards.

Title: Lagrangian Floer theory and Hofer geometry
Abstract: I will discuss some ways in which Lagrangian submanifolds and
their Floer complexes can be used to detect properties of the Hofer metric

Doris Hein tomorrow, 9:45 am (note time)

h...@math.columbia.edu (Jen Hom) — Thu, 07 Mar 2013 20:51:44 UT

Hi folks,

Tomorrow we have Doris Hein speaking in the SGGTC at 9:45 am -- note the
time.

Title: Reeb dynamics and symplectically degenerate extrema
Abstract: In this talk, I will explain how the notion of a symplectically
degenerate maximum can be transferred to the contact setting and Reeb

sggtc seminar: Jen Hom

kn...@math.columbia.edu (Adam Knapp) — Wed, 27 Feb 2013 20:23:38 UT

Tomorrow at 10:45, Jen Hom will be visiting from far-off Riverside
Drive. Lunch as usual.

Jen Hom, "The Seifert form, Alexander module and bordered Floer homology"

Abstract: We study the bordered Floer homology of the 3-manifold with
boundary obtained by cutting S^3 along a Seifert surface Sigma for a

CRM conference

lipsh...@math.columbia.edu (Robert Lipshitz) — Mon, 25 Feb 2013 19:31:11 UT

Hi folks,

Mikhail mentioned that there's a conference on link homologies at CRM from June 25 to July 5, in which you might be interested. The webpage is

[link]

It has a link to list of speakers on the left and link to apply.

Best,
Robert

double header: Ben Webster and Marco Mackaay

h...@math.columbia.edu (Jen Hom) — Thu, 21 Feb 2013 19:10:16 UT

Hi folks,

Tomorrow in the SGGTC we have a double header: Ben Webster at 9:30 am in
Math 520 and Marco Mackaay at 10:45 am. Titles and abstracts below.

------------------------------ --------------

9:30 am:
Title: Category O for quiver varieties and the categorification of Lie
algebras
Abstract: I'll expand on my talk from Wednesday to describe the

Matt Hedden tomorrow

h...@math.columbia.edu (Jen Hom) — Thu, 14 Feb 2013 14:09:25 UT

Hi folks,

Matt Hedden will be speaking in the SGGTC tomorrow. Title and abstract
below, and lunch afterwards as usual. See you there!

Title:Topologically slice knots
Abstract: I'll discuss the world of topologically slice knots: those
knots which bound topologically flat disks in the 4-ball. These knots

no seminar tomorrow (Friday)

h...@math.columbia.edu (Jen Hom) — Fri, 08 Feb 2013 03:56:49 UT

Hi folks,

Sorry for the late announcement -- there's no SGGTC tomorrow. We'll resume
next Friday (Feb 15) with Matt Hedden talking about topologically slice
knots.

Best,
Jen