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NEAR-ALGEBRA和BANACH代数上的一个特征值定理(英文)

Eigenvalue Theorem on Near-Algebra and Banach Algebra
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摘要 在near-algebra或Banach代数中引入(p,q)-可加自映象f和正则可逆元的概念,得到一个值得注意的结果,即在一定条件下,对于定义在near-algebra或Banach代数X中(p,q)-可加自映象f,X中的任意正则可逆元都具有公共的特征值λ=2q/(1+q),p=q≠?1。 Let a (p, q)-additive selfmapfon near-algebra or Banach algebra X satisfy f(e)= e and f (u ) =Ф(u ) f (u^-1)φ(u ) whereФ : X → X andφ: X → DES(X) be an automorphism and antiautomorphism respectively such that Ф(u)=uφ(u^-1)u for each invertible u of X. Then all of the normal invertibles of Xhave the common eigenvalue λ= 2q/(1 + q) if p = q ≠ -1.
出处 《电子科技大学学报》 EI CAS CSCD 北大核心 2005年第6期854-856,共3页 Journal of University of Electronic Science and Technology of China
关键词 自同构 反自同构 正则可逆 特征值 automorphism antiautomorphism, normal invertible eigenvalue
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