期刊文献+

保零积或约当零积的映射 被引量:5

Maps Preserving Zero-Products or Jordan Zero-Products
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摘要 设A是Banach空间X上的标准算子代数,Φ是A上的满射.证明了Φ满足(T-S)R=0■ (Φ(T)-Φ(S))Φ(R)=0当且仅当Φ是同构或共轭同构的倍数;Φ满足(T-S)R+R(T-S)= 0■(Φ(T)-Φ(S))Φ(R)+Φ(R)(Φ(T)-Φ(S))=0当且仅当Φ是同构,反同构,共轭同构,或共轭反同构. Let A be a standard operator algebra on a Banach space X, and Ф : A → A be a surjective map. It is shown that Ф satisfies that (T- S)R = 0 ←→ (Ф(T) - Ф(S))Ф(R) = 0 for all T, S, R E A if and only if Ф is a scalar multiple of an automorphism or a conjugate automorphism; Ф satisfies that Ф(I) = I and (T - S)R + R(T - S) = 0 ←→ (Ф(T) - Ф(S))Ф(R) + Ф(R)(Ф(T) - Ф(S)) = 0 for all T, S, R ∈A if and only if Ф is an automorphism, or an anti-automorphism, or a conjugate automorphism, or a conjugate anti-automorphism.
出处 《数学年刊(A辑)》 CSCD 北大核心 2008年第5期663-670,共8页 Chinese Annals of Mathematics
基金 国家自然科学基金(No.10471082 No.10771157) 国家自然科学数学天元基金(No.10626043) 山西省青年自然科学基金(No.2006021008)资助的项目.
关键词 零积 约当零积 同构 Zero-products, Jordan zero-products, Automorphisms
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参考文献10

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同被引文献17

  • 1AN R, HOU J,ZHAO L. Adjacency preserving maps on the space of symmetric operators[J]. Linear Algebra and its Applications, 2005,405 z 311-324.
  • 2HOU J, ZHAO L. Zero-product preserving additive maps on symmetric operator spaces and self-adjoint operator spaces EJ. Linear Algebra and its Applications, 2005,399 z 235-244.
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  • 10崔建莲,侯晋川,PARK Choonkil.保持因子交换性的可加映射[J].数学年刊(A辑),2008,29(5):583-590. 被引量:2

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