Title of article :
A note on spectrum-preserving maps
Author/Authors :
Alaminos، نويسنده , , J. and Bre?ar، نويسنده , , M. and ?emrl، نويسنده , , P. and Villena، نويسنده , , A.R.، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2012
Abstract :
Let A and B be unital semisimple Banach algebras. If ϕ : M 2 ( A ) → B is a bijective spectrum-preserving linear map, then ϕ is a Jordan homomorphism.
Keywords :
Jordan homomorphism , Spectrum-preserving map , Banach algebra
Journal title :
Journal of Mathematical Analysis and Applications
Journal title :
Journal of Mathematical Analysis and Applications
