Contents

Russian Mathematics

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Vol. 67, No. 12, 2023

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Convolution Kernel Determination Problem in the Third Order Moore–Gibson–Thompson Equation

D. K. Durdiev, A. A. Boltaev and A. A. Rahmonov p. 1  abstract

Generalized Integration over Nonrectifiable Flat Curves and Boundary Value Problems

D. B. Katz p. 14  abstract

A Problem in an Unbounded Domain with Combined Tricomi and Frankl Conditions on One Boundary Characteristic for One Class of Mixed-Type Equations

M. Mirsaburov and R. N. Turaev p. 34  abstract

Main Properties of the Faddeev Equation for 2 × 2 Operator Matrices

T. H. Rasulov and E. B. Dilmurodov p. 47  abstract

On the Optimal Interpolation of Functions

Kh. M. Shadimetov and N. H. Mamatova p. 53  abstract

Three-Webs from Circles

A. M. Shelekhov p. 64  abstract

Rings, Matrices over Which Are Representable As the Sum of Two Potent Matrices

A. N. Abyzov and D. T. Tapkin p. 82  abstract

Equivalence of Computed Tomography Problem with the Problem of Recovery of Functions by Finite Convolutions in a Scheme of Computational (Numerical) Diameter

N. Temirgaliyev, Sh. K. Abikenova, Sh. U. Azhgaliyev, Ye. Ye. Nurmoldin, G. E. Taugynbayeva and A. Zh. Zhubanysheva p. 86  abstract

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