Contents

Theoretical and Mathematical Physics

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Vol. 213, No. 2, 2022

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Research Articles

Coefficient reconstruction problem for the two-dimensional viscoelasticity equation in a weakly horizontally inhomogeneous medium

Zh. D. Totieva p. 1477  abstract

Symmetries of the multicomponent \(q\)-KP hierarchy on a Grassmannian

Chuanzhong Li, and Chao Qian p. 1495  abstract

Cauchy matrix solutions of some local and nonlocal complex equations

Hai-jing Xu, and Song-lin Zhao p. 1513  abstract

On the \(R\)-matrix identities related to elliptic anisotropic spin Ruijsenaars–Macdonald operators

M. G. Matushko, and A. V. Zotov p. 1543  abstract

Schrödinger operator in a half-plane with the Neumann condition on the boundary and a singular \(\delta\)-potential supported by two half-lines, and systems of functional-difference equations

M. A. Lyalinov p. 1560  abstract

Integrals and characteristic algebras for systems of discrete equations on a quadrilateral graph

I. T. Habibullin, and A. R. Khakimova p. 1589  abstract

Total, classical and quantum uncertainties generated by channels

Yizhou Liu, Shunlong Luo, and Yuan Sun p. 1613  abstract

Quantum oscillations in the black hole horizon

C. Corda, F. Feleppa, F. Tamburini, and I. Licata p. 1632  abstract

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