On local automorphisms of group algebras of compact groups

Molnár, Lajos; Zalar, Borut

doi:10.1090/S0002-9939-99-05108-4

On local automorphisms of group algebras of compact groups
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by Lajos Molnár and Borut Zalar PDF

Proc. Amer. Math. Soc. 128 (2000), 93-99 Request permission

Abstract:

We show that with few exceptions every local isometric automorphism of the group algebra $L^p(G)$ of a compact metric group $G$ is an isometric automorphism.

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