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  • Strong commutativity preserving maps of semiprime rings
    Brešar, Matej ; Miers, Robert C.
    Naj bo ▫$K$▫ polprakolobar in ▫$f:K \to K$▫ aditivna preslikava z lastnostjo ▫$[f(x),f(y)]=[x,y]$▫ za vse ▫$x,y\in K$▫. Dokazano je, da je potem ▫$f$▫ oblike ▫$f(x)=\lambda x + \xi (x)$▫ kjer je ... ▫$\lambda$▫ element razširjenega centroida ▫$C$▫, ▫$\lambda^2=1$▫ in je ▫$\xi:R \to C$▫ aditivna preslikava.
    Source: Canadian mathematical bulletin = Bulletin canadien de mathématiques. - ISSN 0008-4395 (Let. 37, št. 4, 1994, str. 457-460)
    Type of material - article, component part
    Publish date - 1994
    Language - english
    COBISS.SI-ID - 5240584

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