Topology Seminar

Organizer(s): 

For more information about this seminar, contact Zoltan Szabo, David Gabai, Sucharit Sarkar, Adam Levine, Peter Ozsvath or Lucas Culler

Please click on seminar title for complete abstract.

April 2, 2015
4:30pm - 5:30pm
Botany of transverse knots

We study transverse representatives of an oriented topological knot type K in the tight contact 3-sphere, where the classical invariant of transverse isotopy introduced by Bennequin is the self-linking number.

Location
Fine Hall 314
Speaker: Doug LaFountain,
Western Illinois University
April 9, 2015
4:30pm - 5:30pm
Instantons and odd Khovanov homology

I will describe a spectral sequence that starts at reduced odd Khovanov homology and converges to a version of instanton homology for double branched covers.

Location
Fine Hall 314
Speaker: Christopher Scaduto,
UCLA
April 16, 2015
4:30pm - 5:30pm
TBA - Feng Luo
Location
Fine Hall 314
Speaker: Feng Luo,
Rutgers University
April 23, 2015
4:30pm - 5:30pm
TBA - Jonathan Hanselman
Location
Fine Hall 314
Speaker: Jonathan Hanselman,
Columbia University
April 30, 2015
4:30pm - 5:30pm
The total surgery obstruction

This is a joint Topology - Algebraic Topology seminar.

Location
Fine Hall 314
Speaker: Andrew Ranicki,
University of Edinburgh