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Browder spectra for upper triangular operator matrices |
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| Authors: | Xiaohong Cao |
| Affiliation: | College of Mathematics and Information Science, Shaanxi Normal University, Xi'an 710062, People's Republic of China |
| Abstract: | When A∈B(H) and B∈B(K) are given, we denote by MC the operator acting on the infinite dimensional separable Hilbert space H⊕K of the form  . In this paper, we prove that |
| Keywords: | Browder spectrum Browder essential approximate point spectrum Operator matrices Semi-Fredholm operator |
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