# Difference between revisions of "Geometry and Topology Seminar"

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+ | |Ruobing Zhang (Stony Brook University) | ||

+ | | TBA | ||

+ | |(Chen) | ||

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|Oct. 25 | |Oct. 25 |

## Revision as of 13:09, 16 September 2019

The Geometry and Topology seminar meets in room **901 of Van Vleck Hall** on **Fridays** from **1:20pm - 2:10pm**.

For more information, contact Shaosai Huang.

## Contents

## Fall 2019

date | speaker | title | host(s) |
---|---|---|---|

Oct. 4 | Ruobing Zhang (Stony Brook University) | TBA | (Chen) |

Oct. 25 | Emily Stark (Utah) | TBA | (Dymarz) |

Nov. 7 | Max Forester (University of Oklahoma) | TBA | (Dymarz) |

Nov. 22 | Yu Li (Stony Brook University) | On the structure of Ricci shrinkers | (Huang) |

## Fall Abstracts

### Emily Stark

"TBA"

### Max Forester

“TBA”

### Yu Li

We develop a structure theory for non-collapsed Ricci shrinkers without any curvature condition. As an application, we show that any Ricci shrinker whose second eigenvalue of the curvature operator is positive must be a quotient of sphere.

## Archive of past Geometry seminars

2018-2019 Geometry_and_Topology_Seminar_2018-2019

2017-2018 Geometry_and_Topology_Seminar_2017-2018

2016-2017 Geometry_and_Topology_Seminar_2016-2017

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