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RAAG subgroups of RAAGs

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NPC - Non-positive curvature group actions and cohomology

Motivated by work of Grunewald and Lubotzky on virtual representations of Aut(F_n), we address the question of when a finite index normal subgroup of a RAAG is itself a RAAG .   Joint work with Beatrice Pozzetti.

This talk is part of the Isaac Newton Institute Seminar Series series.

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