Muminov, M. E. and Rasulov, T. Kh. (2015) An eigenvalue multiplicity formula for the Schur complement of a 3 x 3 block operator matrix. Siberian Mathematical Journal, 56 (4). pp. 699-713. ISSN 0369-8203
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Official URL: http://dx.doi.org/10.1134/S0037446615040126
Abstract
We consider the Schur complement S(λ) with real spectral parameter λ corresponding to a certain 3 × 3 block operator matrix. In our case the essential spectrum of S(λ) can have gaps. We obtain formulas for the number and multiplicities of eigenvalues belonging to an arbitrary interval outside the essential spectrum of S(λ).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Schur complement, bosonic Fock space, block operator matrix |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 57750 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 07 Nov 2021 06:20 |
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