Outer actions of Out (Fn) on small right-angled Artin groups

We determine the precise conditions under which SOut(Fn), the unique index-two subgroup of Out(Fn), can act nontrivially via outer automorphisms on a RAAG whose defining graph has fewer than 12(n2) vertices. We also show that the outer automorphism group of a RAAG cannot act faithfully via outer au...

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Tác giả chính: Kielak, D
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: Mathematical Sciences Publishers 2018