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  • P-ISSN3059-0604
  • E-ISSN3059-1309
  • KCI

JORDAN DERIVATIONS OF SEMIPRIME RINGS AND NONCOMMUTATIVE BANACH ALGEBRAS, II

Jordan Derivations of Semiprime Rings and Noncommutative Banach Algebras, II

한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: Theoretical Mathematics and Pedagogical Mathematics, (P)3059-0604; (E)3059-1309
2008, v.15 no.3, pp.259-296
Kim, Byung-Do (Department of Mathematics, Kangnung National University)

Abstract

Let A be a noncommutative Banach algebra. Suppose there exists a continuous linear Jordan derivation D : A $\rightarrow$ A such that $D(x)^2$[D(x),x] $\in$ rad(A) or [D(x),x]$D(x)^2$ $\in$ rad(A) for all x $\in$ A. In this case, we have D(A) $\subseteq$ rad(A).

keywords
semiprime ring, Banach algebra, Jordan derivation

한국수학교육학회지시리즈B:순수및응용수학