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math.RA2026
Commutativity preserving mappings in Banach algebras
M. Brešar, G. M. Escolano, A. Peralta +1
Let and be unital complex Banach algebras having no quotients isomorphic to or . Assume additionally that is semisimple. If a surjective a…
math.RA2026
Waring problems across algebra
Matej Brešar, Consuelo Mart\' inez
The paper surveys various Waring type problems in groups, Lie algebras, and associative algebras.