The first -betti number and groups acting on trees
| Autor: | Indira Chatterji, Peter H. Kropholler, Sam Hughes |
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| Přispěvatelé: | Université Côte d'Azur (UCA) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Proceedings of the Edinburgh Mathematical Society Proceedings of the Edinburgh Mathematical Society, Cambridge University Press (CUP), 2021, pp.1-8. ⟨10.1017/S0013091521000663⟩ |
| ISSN: | 0013-0915 1464-3839 |
| DOI: | 10.1017/S0013091521000663⟩ |
| Popis: | We generalize results of Thomas, Allcock, Thom–Petersen, and Kar–Niblo to the first $\ell ^{2}$-Betti number of quotients of certain groups acting on trees by subgroups with free actions on the edge sets of the graphs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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