Relative property (T) and the vanishing of the first \(\ell^2\)-Betti number

zbMath1230.22003arXiv0912.1091MaRDI QIDQ617777

Talia Fernós

Publication date: 13 January 2011

Published in: Bulletin of the Belgian Mathematical Society - Simon Stevin (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0912.1091

zbMATH Keywords

\(\ell^2\)-Betti numbersRelative property (T)

Mathematics Subject Classification ID

Homological methods in group theory (20J05) Unitary representations of locally compact groups (22D10) Locally compact groups and their algebras (22D99)

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