On the fixed ends of hyperbolic translations of infinite graphs

Risultato della ricerca: Articlepeer review

Abstract

Let X be an infinite, connected, locally finite and vertex-transitive graph with infinitely many ends and let G be a subgroup of Aut(X) which acts transitively on X. In this note we provide a necessary and sufficient condition for the existence of a hyperbolic translation g in G with fixed ends in two prescribed open subsets ofthe space of ends of X. We also give an explicit combinatorial construction of the hyperbolic translation g in the special casewhere X is a (right) Cayley graph of a (non-abelian) free group of finite type G.
Lingua originaleEnglish
pagine (da-a)5-14
Numero di pagine10
RivistaBOLLETTINO DI MATEMATICA PURA E APPLICATA
VolumeII
Stato di pubblicazionePublished - 2009

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