A new look at the Julg-Valette homotopy for groups acting on trees.
Résumé
We propose a new look at the Julg-Valette theorem on K-theoretic amenability for groups operating on trees. The main tool is a generalization of a construction of uniformly bounded representations of the free groups due to Pytlik and Szwarc.
| Origine | Fichiers produits par l'(les) auteur(s) |
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