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author:

林丽琼 (林丽琼.) [1]

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CQVIP PKU CSCD

Abstract:

设A是有单位元的Banach代数,给定a,b∈A,记2×2上三角矩阵Mc=(a c 0 b)∈M2(A),其中c∈A.证明了στ(a)∪στ(b)=στ(Mc)∪W,其中当στ=σ时,Wσ(a)∩σ(b)是σ(Mc)的某些洞的并;当στ=σl时,Wσr(a)∩(σl(b)/σl(a))包含在σl(a)的某些洞的并中,也包含在σl(Mc)的某些洞的并中;当στ=σr时,Wσl(b)∩(σr(a)/σr(b))包含在σr(b)的某些洞的并中,也包含在σr(Mc)的某些洞的并中.

Keyword:

BANACH代数 上三角矩阵

Community:

  • [ 1 ] 福州大学数学与计算机科学学院,福建福州350002

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Source :

厦门大学学报:自然科学版

ISSN: 0438-0479

Year: 2012

Issue: 2

Volume: 51

Page: 153-156

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 0

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