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20222026
most citedRight-angled Artin groups as finite-index subgroups of their outer automorphism groups

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math.GR2022★ 3 cited

Right-angled Artin groups as finite-index subgroups of their outer automorphism groups

Manuel Wiedmer

We prove that every right-angled Artin group occurs as a finite-index subgroup of the outer automorphism group of another right-angled Artin group. We furthermore show that the lat…