Date | 2016-09-27 |
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Speaker | 서동균 |

Dept. | 서울대 |

Room | 129-406 |

Time | 17:00-18:30 |

Mapping class group is the group of the homotopy classes of orientation-preserving self-homeomorphisms. This group have been studied a lot in low-dimensional topology and geometric group theory. But we still don't know whether mapping class groups are linear. In this talk, I introduce some relations between mapping class groups and linear groups, including the symplectic representation of mapping class groups and the mapping class group of genus 2.

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