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Nest代数的Jacobson根的μ-核值保持映射 被引量:2

Linear Maps of μ-preserving Kerael into Range on Jacobson Radical of Nest Algebras
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摘要 设算子代数A B(H),μ(A)表示A中的部分等距算子全体,若p是A到B(H)的线性映射,且对任意的UEu(A),有叫U)(kecU)Gr“hCr,则称 是A上的μ-核值保持映射。本文将证明:Nest代数的Jacobson根上的范数拓扑连续的μ-核值保持映射是广义内导子。 Let A be an operator algebra in B(H) , and letμ(A) denote the set of all partial isometric operators in A. We say that a linear map . : A→ B(H) is a map of μ-preserving kernel into range if .(U)(kerU) C ran (U) for any . Cμ(A). In this paper, we show that a norm continuous linear map of μ-preserving kernel into range on Jacobson radical of nest algebras is a generalized inner derivatio., i.e , ip(T) =TA+BT for Some A,B G B(H).
作者 朱军 熊昌萍
出处 《数学学报(中文版)》 SCIE CSCD 北大核心 1997年第3期377-384,共8页 Acta Mathematica Sinica:Chinese Series
基金 湖北省高校重点科研基金
关键词 NEST代数 JACOBSON根 u-核值保持映射 线性算子 Nest algebra, Jacobson radical , Generalized inner derivation , Jordan derivation , μ-preserving kernel into range map
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参考文献2

  • 1朱军,Proc Am Math Soc,1995年,123卷,3期,739页
  • 2Gong Weibang,Proc Am Math Soc,1992年,115卷,2期,435页

同被引文献10

  • 1杜炜,张建华.套代数上的可乘导子[J].纺织高校基础科学学报,2007,20(2):153-155. 被引量:7
  • 2朱军,Proc Am Math Soc,1997年,125卷,5期,1367页
  • 3朱军,Proc Am Math Soc,1995年,123卷,3期,739页
  • 4SEMRL P. Local automorphisms and derivations on B(H)[J]. Proc Amer Math Soc, 1997,125:2 677-2 680.
  • 5J ING W,LU S J,LI P T. Characterisations of derivations on some operator algebras[J]. Bull Austral Math Soc, 2002, 66:227-232.
  • 6CHEBOTSAR A M. KE F W. LEE H P. Maps charaterized by action on zero products[J]. Pacific J Math,2004,216:217-228.
  • 7ZHU J, XIONG C P. Generalized derivable mappings at zero point on some reflexive operator algebras[J]. Linear Algebra Appl,2005,397 :367-379.
  • 8LI J K,PAN Z D,XU H. Characterizations of isomorphisms and derivations of some algebras[J].J Math Anal Appl, 2007,332:1 314-1 322.
  • 9ZHU J, XIONG C P. Derivable mappings at unit operator on nest algebras[J]. Linear Algebra Appl, 2007,422..721- 735.
  • 10LONGSTAFF W E. Strongly reflexive lattices[J]. J London Math Soc, 1975,11:491-498.

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