The Intersection of Upper and Lower Semi-Browder Spectrum of Upper-Triangular Operator Matrices
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 MC=(AC0B). In this paper, it is proved that there exists some operator C∈B(K,H) such that MC is upper semi-Browder if and only if there exists some left invertibl...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2013-01-01
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| Series: | Abstract and Applied Analysis |
| Online Access: | http://dx.doi.org/10.1155/2013/373147 |
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