Introduction Complex C Aut C

Introduction Complex C Aut(C) Thompson's group T is the automorphism group of a cellular complex associated to a surface of infinite type Ariadna Fossas (joint work with Maxime Nguyen) Universite Joseph Fourier Universitat Politecnica de Catalunya Fribourg, 12/10/2011 Ariadna Fossas T as automorphism group

• only consider homeomorphisms


• cellular complex associated


• introduction complex


• extended mapping class


• orientable surface


• orientation-preserving automorphisms


• surface ?0