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Noninvertibility preservers on Banach algebrasBojan Kuzma, 2006, kratki znanstveni prispevek
Opis: It is proved that a linear surjection ▫$\Phi: \mathcal{A} \to \mathcal{B}$▫, which preserves noninvertibility between semisimple, unital, complex Banach algebras, is automatically injective.
Ključne besede: mathematics, functional analysis, linear preserver, noninvertible element, semisimple Banach algebra, socle
Objavljeno v RUP: 15.10.2013; Ogledov: 3033; Prenosov: 126
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