Difference between revisions of "Geometry and Topology Seminar"

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Revision as of 13:32, 1 September 2016

The Geometry and Topology seminar meets in room 901 of Van Vleck Hall on Fridays from 1:20pm - 2:10pm.
For more information, contact Alexandra Kjuchukova or Lu Wang .

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Fall 2016

date speaker title host(s)
September 9 Bing Wang (UW Madison) "The extension problem of the mean curvature flow" (Local)
September 16 Ben Weinkove (Northwestern University) Gauduchon metrics with prescribed volume form Lu Wang
September 23 Jiyuan Han (UW Madison) "TBA" (Local)
September 30
October 7 Yu Li (UW Madison) "TBA" (Local)
October 14 Sean Howe (University of Chicago) "TBA" Melanie Matchett Wood
October 21
October 28 Ronan Conlon Bing Wang
November 4 Jonathan Zhu (Harvard University) "TBA" Lu Wang
November 7 Gaven Martin (University of New Zealand) "TBA" Simon Marshall
November 11
November 18
Thanksgiving Recess
December 2
December 9
December 16

Fall Abstracts

Jiyuan Han

TBA

Sean Howe

TBA

Yu Li

TBA

Gaven Marin

TBA

Bing Wang

The extension problem of the mean curvature flow


We show that the mean curvature blows up at the first finite singular time for a closed smooth embedded mean curvature flow in R^3. A key ingredient of the proof is to show a two-sided pseudo-locality property of the mean curvature flow, whenever the mean curvature is bounded. This is a joint work with Haozhao Li.

Ben Weinkove

Every compact complex manifold admits a Gauduchon metric in each conformal class of Hermitian metrics. In 1984 Gauduchon conjectured that one can prescribe the volume form of such a metric. I will discuss the proof of this conjecture, which amounts to solving a nonlinear Monge-Ampere type equation. This is a joint work with Gabor Szekelyhidi and Valentino Tosatti.

Jonathan Zhu

TBA


Archive of past Geometry seminars

2015-2016: Geometry_and_Topology_Seminar_2015-2016

2014-2015: Geometry_and_Topology_Seminar_2014-2015

2013-2014: Geometry_and_Topology_Seminar_2013-2014

2012-2013: Geometry_and_Topology_Seminar_2012-2013

2011-2012: Geometry_and_Topology_Seminar_2011-2012

2010: Fall-2010-Geometry-Topology