On the pseudospectrum preservers
Abstract Let X and Y be two complex Banach spaces, and let B(X) denotes the algebra of all bounded linear operators on X. We characterize additive maps from B(X) onto B(Y ) compressing the pseudospectrum subsets Δ ϵ (.), where Δ ϵ (.) stands for any one of the...
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Autores principales: | Kettani,Mustapha Ech-Chérif El, Lahssaini,Aziz |
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Lenguaje: | English |
Publicado: |
Universidad Católica del Norte, Departamento de Matemáticas
2020
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Materias: | |
Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-09172020000601457 |
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