Date | Jul 14, 2017 |
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Speaker | Thomas Koberda |

Dept. | University of Virginia |

Room | 129-301 |

Time | 16:00-17:00 |

I will discuss square roots of Thompson’s group F, which are certain two-generator subgroups of the homeomorphism group of the interval, the squares of which generate a copy of Thompson’s group F. We prove that these groups may contain nonabelian free groups, they can fail to be smoothable, and can fail to be finitely presented. This represents joint work with Y. Lodha.

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