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The first $\ell ^{2}$-betti number and groups acting on trees
- Part of
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- Journal:
- Proceedings of the Edinburgh Mathematical Society / Volume 64 / Issue 4 / November 2021
- Published online by Cambridge University Press:
- 25 October 2021, pp. 916-923
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- Article
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Hattori-Stallings trace and Euler characteristics for groups
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- Book:
- Geometric and Cohomological Methods in Group Theory
- Published online:
- 07 September 2011
- Print publication:
- 29 October 2009, pp 256-271
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