Spectra of 2 &#215;2 Upper-Triangular Operator Matrices

Spectra of 2 ×2 Upper-Triangular Operator Matrices

来源 :应用数学(英文) | 被引量 : 0次 | 上传用户：tq19822002

【摘要】

：

In [Perturbation of Spectrums of 2 × 2 Operator Matrices, Proceedings of the American Mathematical Society, Vol. 121, 1994], the authors asked whether ther

【作者】

：

Haiyan Zhang

【机构】

：

CollegeofMathematicsandInformationScience

【出处】

：

应用数学(英文)

【发表日期】

：

2013年11期

【关键词】

：

SPECTRA Upper-Triangular OPERATOR MATRIX FREDHOLM OPERATOR Spectra Upper-Triangu

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In [Perturbation of Spectrums of 2 × 2 Operator Matrices, Proceedings of the American Mathematical Society, Vol. 121, 1994], the authors asked whether there was an operator ?such that ?for a given pair?(A,B)?of operators, where the operator ?was defi

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Spectra of 2 ×2 Upper-Triangular Operator Matrices