Monthly Archives: March 2012

EO: embedding graph manifold groups in products of trees

Posted on March 25, 2012 by Alex Sisto

This post is based on this paper with David Hume. As discussed here, it is a nice property for a group to be quasi-isometrically embeddable in a product of finitely many trees. Graph manifolds are certain 3-manifolds, and if you … Continue reading →

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EO: contracting elements

Posted on March 5, 2012 by Alex Sisto

In this post I’ll talk about this paper. There are many groups that have been known for quite a while to “look like” hyperbolic groups, but only in certain “directions”. Examples of such directions are (the axes of ) rank … Continue reading →

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