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The properties of Jordan derivations of semiprime rings and Banach algebras, II

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Let $A$ be a Banach algebra with $\mbox{rad}(A)$. We show that if there exists a continuous linear Jordan derivation $D$ on $A$, then $$[D(x),x]D(x)^2\in \mbox{rad}(A)$$ if and only if $D(x)[D(x),x]D(x)\in \mbox{rad}(A)$ for all $x\in A$.

Abstract

Let $A$ be a Banach algebra with $\mbox{rad}(A)$. We show that if there exists a continuous linear Jordan derivation $D$ on $A$, then $$[D(x),x]D(x)^2\in \mbox{rad}(A)$$ if and only if $D(x)[D(x),x]D(x)\in \mbox{rad}(A)$ for all $x\in A$.

참고문헌 (17)

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  7. Byung-Do Kim, "Derivations of semiprime rings and noncommutativeBanach algebras", 대한수학회논문집, 17(4), pp.607~618 (2002), 대한수학회
  8. 김병도, "JORDAN DERIVATIONS OF SEMIPRIME RINGS AND NONCOMMUTATIVE BANACH ALGEBRAS, I", 순수 및 응용수학, 15(2), pp.179~201 (2008), 한국수학교육학회
  9. 김병도, "Jordan Derivations of Semiprime Rings and Noncommutative Banach Algebras, II", 순수 및 응용수학, 15(3), pp.259~296 (2008), 한국수학교육학회
  10. 김병도, "Jordan Derivations on Prime Rings and Their Applications in Banach Algebras, I", 대한수학회논문집, 28(3), pp.535~558 (2013), 대한수학회
  11. 김병도, "The properties of Jordan derivations of semiprime rings and Banach algebras, I", 대한수학회논문집, 33(1), pp.103~125 (2018), 대한수학회
  12. 박규홍, "ON CONTINUOUS LINEAR JORDAN DERIVATIONS OF BANACH ALGEBRAS", 순수 및 응용수학, 16(2), pp.227~241 (2009), 한국수학교육학회
  13. A. M. Sinclair, "Jordan Homomorphisms and Derivations on Semisimple Banach Algebras", Proceedings of the American Mathematical Society, 24(1), pp.209~ (1970), JSTOR[DOI]
  14. I. M. Singer, "Derivations on commutative normed algebras", Mathematische Annalen, 129(1), pp.260~264 (1955), Springer Science and Business Media LLC[DOI]
  15. Marc P. Thomas, "The Image of a Derivation is Contained in the Radical", The Annals of Mathematics, 128(3), pp.435~ (1988), JSTOR[DOI]
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  17. J. Vukman, "On Derivations in Prime Rings and Banach Algebras", Proceedings of the American Mathematical Society, 116(4), pp.877~ (1992), JSTOR[DOI]

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