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author:

林丽琼 (林丽琼.) [1] (Scholars:林丽琼)

Indexed by:

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=(a0cb)∈M2(A),其中c∈A.证明了στ(a)Uστ(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 ] [林丽琼]福州大学

Reprint 's Address:

  • 林丽琼

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Source :

厦门大学学报(自然科学版)

ISSN: 0438-0479

CN: 35-1070/N

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: -1

Chinese Cited Count:

30 Days PV: 2

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