Исследование числовой области значений одной операторной матрицы

DOI10.14498/vsgtu1275zbMath1413.81022OpenAlexW2280912751MaRDI QIDQ4553447

E. B. Dilmurodov, Tulkin H. Rasulov

Publication date: 30 October 2018

Published in: Вестник Самарского государственного технического университета. Серия Физико-математические науки (Search for Journal in Brave)

Full work available at URL: http://mathnet.ru/eng/vsgtu1275

zbMATH Keywords

numerical rangeFock spaceoperator matrixannihilation and creation operatorsgeneralized Friedrichs modelfirst Schur complimentpoint and approximate point spectra

Mathematics Subject Classification ID

Applications of operator theory in the physical sciences (47N50) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10)

Related Items (1)

Conditions for the existence of eigenvalues of a three-particle lattice model Hamiltonian

Cites Work

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• The numerical range of \(3 \times 3\) matrices
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• Некоторые спектральные свойства обобщeнной модели Фридрихса
• Multiplicities, boundary points, and {joint} numerical ranges
• A new concept for block operator matrices: The quadratic numerical range

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