Departamento de Matemáticas UAM

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Seminario Teoría de grupos

Seminario Teoría de grupos 21/11

11:00 Aula Naranja ICMAT

Speaker: Richard Wade (University of Oxford)

Title: Aut-invariant quasimorphisms on groups

Abstract: For a large class of groups, we exhibit an infinite-dimensional space of homogeneous quasimorphisms that are invariant under the action of the automorphism group. This class includes non-elementary hyperbolic groups, infinitely-ended finitely generated groups, some relatively hyperbolic groups, and a class of graph products of groups that includes all right-angled Artin and Coxeter groups that are not virtually abelian. Joint work with Francesco Fournier-Facio.

 

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