# Difference between revisions of "Geometry and Topology Seminar"

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− | + | == Fall 2019 == | |

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− | == Fall | ||

{| cellpadding="8" | {| cellpadding="8" | ||

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!align="left" | host(s) | !align="left" | host(s) | ||

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− | | | + | |Oct. 4 |

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

− | | | + | | TBA |

− | |( | + | |(Chen) |

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− | |Oct. | + | |Oct. 25 |

− | | | + | |Emily Stark (Utah) |

− | | | + | | TBA |

− | |( | + | |(Dymarz) |

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− | | | + | |Nov. 8 |

− | | | + | |Max Forester (University of Oklahoma) |

− | | | + | | TBA |

− | |( | + | |(Dymarz) |

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− | |Nov. | + | |Nov. 22 |

− | | | + | |Yu Li (Stony Brook University) |

− | | | + | |On the structure of Ricci shrinkers |

|(Huang) | |(Huang) | ||

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+ | ==Fall Abstracts== | ||

− | == | + | ===Ruobing Zhang=== |

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+ | "TBA" | ||

− | === | + | ===Emily Stark=== |

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− | + | "TBA" | |

− | === | + | ===Max Forester=== |

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− | + | “TBA” | |

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− | == | + | ===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 == | == Archive of past Geometry seminars == |

## Latest revision as of 17:57, 20 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. 8 | Max Forester (University of Oklahoma) | TBA | (Dymarz) |

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

## Fall Abstracts

### Ruobing Zhang

"TBA"

### 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