Date | Aug 16, 2022 |
---|---|

Speaker | Damian Osajda |

Dept. | University of Wroclaw |

Room | 129-310 |

Time | 16:00-18:00 |

**장소: 129동 310호 / zoom: 946 805 8300**

We prove that groups acting properly on 2-dimensional CAT(0) complexes with a bound on the orders of cell stabilisers satisfy the Tits Alternative, that is, their finitely generated subgroups are either virtually free abelian or contain a (non-abelian) free subgroup. This is joint work with Piotr Przytycki (McGill).

TEL 02-880-5857,6530,6531 / FAX 02-887-4694