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math.GR2007★ 5 cited
Kazhdan and Haagerup properties from the median viewpoint
Indira Chatterji, Cornelia Drutu, Frederic Haglund
We prove the existence of a close connection between spaces with measured walls and median metric spaces. We then relate properties (T) and Haagerup (a-T-menability) to actions on…
math.GT2007★ 10 cited
Quasi-isometry rigidity of groups
Cornelia Drutu
This paper overviews recent developments in the classification up to quasi-isometry of finitely generated groups, and more specifically of relatively hyperbolic groups.