149 citations · 595 across the 59 of their papers we have counts for
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math.GT2011
Contracting elements and random walks
Alessandro Sisto
We define a new notion of contracting element of a group and we show that contracting elements coincide with hyperbolic elements in relatively hyperbolic groups, pseudo-Anosovs in…
math.GT2011★ 1 cited
Embedding universal covers of graph manifolds in products of trees
David Hume, Alessandro Sisto
We prove that the universal cover of any graph manifold quasi-isometrically embeds into a product of three trees. In particular we show that the Assouad-Nagata dimension of the uni…