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On the number of components of the essential spectrum of one \(2 \times 2\) operator matrix - MaRDI portal

On the number of components of the essential spectrum of one \(2 \times 2\) operator matrix

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Publication:6558953

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DOI10.3103/s1066369x24700129MaRDI QIDQ6558953

Tulkin H. Rasulov, Mukhiddin I. Muminov, I. N. Bozorov

Publication date: 21 June 2024

Published in: Russian Mathematics (Search for Journal in Brave)

zbMATH Keywords

eigenvalue essential spectrum discrete spectrum block operator matrix component

Mathematics Subject Classification ID

General theory of linear operators (47Axx) General mathematical topics and methods in quantum theory (81Qxx) Miscellaneous applications of operator theory (47Nxx)

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