1. The first Schur complement for a lattice spin-boson model with at most two photons;Nanosystems: Physics, Chemistry, Mathematics;2023-06-27
2. Description of the spectrum of one fourth-order operator matrix;Вестник Самарского государственного технического университета. Серия «Физико-математические науки»;2023
3. Essential spectrum of a family of 3 × 3 operator matrices: Location of the branches;PHYSICAL MESOMECHANICS OF CONDENSED MATTER: Physical Principles of Multiscale Structure Formation and the Mechanisms of Nonlinear Behavior: MESO2022;2023
4. Discrete eigenvalues of a 2 × 2 operator matrix;PHYSICAL MESOMECHANICS OF CONDENSED MATTER: Physical Principles of Multiscale Structure Formation and the Mechanisms of Nonlinear Behavior: MESO2022;2023
5. Spectral relations for a 4 × 4 block operator matrix;PHYSICAL MESOMECHANICS OF CONDENSED MATTER: Physical Principles of Multiscale Structure Formation and the Mechanisms of Nonlinear Behavior: MESO2022;2023