%0 Journal Article
%T Spectral isometries on non-simple C*-algebras
%A Martin Mathieu
%A Ahmed R. Sourour
%J Mathematics
%D 2011
%I arXiv
%X We prove that unital surjective spectral isometries on certain non-simple unital C*-algebras are Jordan isomorphisms. Along the way, we establish several general facts in the setting of semisimple Banach algebras.
%U http://arxiv.org/abs/1110.6856v1