Aut-invariant quasimorphisms on groups

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...

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Autori principali: Fournier-Facio, F, Wade, RD
Natura: Journal article
Lingua:English
Pubblicazione: American Mathematical Society 2023