Right-angled Artin groups: commensurability classification and subgroup intersection problem.

Room FC1.030, DMat-FCUP at 14:30
Friday, 3 November, 2017 (All day)

Two groups are called commensurable if they have isomorphic subgroups of finite index. In the first part of the talk I will discuss our results with Montse Casals-Ruiz and Ilya Kazachkov on the commensurability classification of right-angled Artin groups (RAAGs) defined by trees. In the second part of the talk I will mention some algorithmic properties of RAAGs and discuss our results with Jordi Delgado and Enric Ventura on the subgroup intersection problem for Droms RAAGs.


Alexander Zakharov



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