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Centralizing mappings on von Neumann algebrasBrešar, MatejNaj bo ▫$R$▫ kolobar s centrom ▫$Z$▫. Preslikava ▫$F$▫ iz ▫$R$▫ vase se imenuje centralizirajoča, če ▫$F(x)x-xF(x)\in Z(R)$▫ za vse ▫$x\in R$▫. Glavni rezultat članka pravi, da je vsaka aditivna ... centralizirajoča preslikava ▫$F$▫ na von Neumannovi algebri ▫$R$▫ oblike ▫$F(x)=cx+\zeta (x),\ x\in R$▫, pri čemer ▫$c\in Z$▫ in je ▫$\zeta$▫ aditivna preslikava iz ▫$R$▫ v ▫$Z$▫. Obravnavana so tudi ▫$\alpha$▫-odvajanja in nekatere sorodne preslikave, ki so centralizirajoče na kolobarjih in Banachovih algebrah.Source: Proceedings of the American Mathematical Society. - ISSN 0002-9939 (Let. 111, št. 2, 1991, str. 501-510)Type of material - article, component partPublish date - 1991Language - englishCOBISS.SI-ID - 3084804
Author
Brešar, Matej
Topics
matematika |
funkcionalna analiza |
asociativni kolobarji in algebre |
centralizirane preslikave |
von Neumannove algebre |
Banachove algebre |
polprakolobarji |
mathematics |
functional analysis |
associative rings and algebra |
centralizing mappings |
von Neumann algebras |
Banach algebras |
semiprime rings
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source: Proceedings of the American Mathematical Society. - ISSN 0002-9939 (Let. 111, št. 2, 1991, str. 501-510)
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