Autore: Darryl McCullough

This memoir examines the automorphism group of a group $G$ with a fixed free product decomposition $G_1*/cdots *G_n$. An automorphism is called symmetric if it carries each factor $G_i$ to a conjugat …

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This work concerns the diffeomorphism groups of 3-manifolds, in particular of elliptic 3-manifolds. These are the closed 3-manifolds that admit a Riemannian metric of constant positive curvature, now …