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20132020
most citedLocation of eigenvalues of non-self-adjoint discrete Dirac operators

17 citations · 29 across the 10 of their papers we have counts for

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math.SP2016

On the spectrum of an operator in truncated Fock space

Orif O. Ibrogimov, Christiane Tretter

We study the spectrum of an operator matrix arising in the spectral analysis of the energy operator of the spin-boson model of radioactive decay with two bosons on the torus. An an…

math.SP2016

Essential spectrum of non-self-adjoint singular matrix differential operators

Orif O. Ibrogimov

The purpose of this paper is to study the essential spectrum of non-self-adjoint singular matrix differential operators in the Hilbert space …