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Jordan Derivations of Semiprime Rings and Noncommutative Banach Algebras, II

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Let A be a noncommutative Banach algebra. Suppose there exists a continuous linear Jordan derivation D : A ! A such that D(x)2[D(x); x] 2 rad(A) or [D(x); x]D(x)2 2 rad(A) for all x 2 A: In this case, we have D(A) µ rad(A):

Abstract

Let A be a noncommutative Banach algebra. Suppose there exists a continuous linear Jordan derivation D : A ! A such that D(x)2[D(x); x] 2 rad(A) or [D(x); x]D(x)2 2 rad(A) for all x 2 A: In this case, we have D(A) µ rad(A):

참고문헌 (12)

  1. F.F. Bonsall, "Complete Normed Algebras. Berlin-Heidelberg-New York", ~ (1973)
  2. M. Bresar, "Derivations of noncommutative Banach algebras II", Arch. Math, 63, pp.56~59 (1994)
  3. "Jordan derivations on semiprime rings", Proc. Amer. Math. Soc, 104(4), pp.1003~1006 (1988)
  4. L.O. Chung, "Semiprime rings with nilpotent derivatives", Canad. Math. Bull, 24(4), pp.415~421 (1981)
  5. B.E. Johnson, "Continuity of derivations and a problem of Kaplansky", Amer. J. Math, 90, pp.1067~1073 (1968)
  6. B.-D. Kim, "On the derivations of semiprime rings and noncommutative Banach alge-bras", Acta Mathematica Sinica, 16(1), pp.21~28 (2000)
  7. Byung-Do Kim, "Derivations of semiprime rings and noncommutativeBanach algebras", 대한수학회논문집, 17(4), pp.607~618 (2002), 대한수학회
  8. .M. Sinclair, "Jordan homohorphisms and derivations on semisimple Banach algebras", Proc. Amer. Math. Soc, 24, pp.209~214 (1970)
  9. I.M. Singer, "Derivations on commutative normed algebras", Math. Ann, 129, pp.260~264 (1955)
  10. M.P. Thomas, "The image of a derivation is contained in the radical", Annals of Math, 128, pp.435~460 (1988)
  11. J. Vukman, "A result concerning derivations in noncommutative Banach algebras", Glas-nik Mathematicki, 26(46), pp.83~88 (1991)
  12. "On derivations in prime rings and Banach algebras", Proc. Amer. Math. Soc, 116(4), pp.877~884 (1992)

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