NSU Journals

Individual approximative properties of sets and approximative compactness

Alexey R. Аlimov, Niyazi A. Il'yasov
Mat. Trudy. 2026, 29, № 1. С. 5–17.

DOI: 10.25205/1560-750X-2026-29-1-5-17

On some distance function on the Engel group

Alexandr V. Greshnov, Maxim V. Tryamkin
Mat. Trudy. 2026, 29, № 1. С. 18–41.

DOI: 10.25205/1560-750X-2026-29-1-18-41

Mixed boundary value problems with integral conditions for a third-order equation

Obidjon S. Zikirov
Mat. Trudy. 2026, 29, № 1. С. 42–66.

DOI: 10.25205/1560-750X-2026-29-1-42-66

Linear representation of the cactus groups by automorphisms of free $\mathbb{Z}[t]$-–module

Kseniya V. Zimireva
Mat. Trudy. 2026, 29, № 1. С. 67–78.

DOI: 10.25205/1560-750X-2026-29-1-67-78

Spectral universality of equivalence relations on the ordering of rational numbers

Iskander Sh. Kalimullin
Mat. Trudy. 2026, 29, № 1. С. 79–95.

DOI: 10.25205/1560-750X-2026-29-1-79-95

Interpolation with minimal value of $L_{2}$-norm of linear differential operator for finite collections of data

Sergey I. Novikov
Mat. Trudy. 2026, 29, № 1. С. 96–118.

DOI: 10.25205/1560-750X-2026-29-1-96-118

Single fault detection test sets with respect to stuck-at faults at the outputs of gates in formulas over some bases

Zh. Cui, Dmitrii S. Romanov
Mat. Trudy. 2026, 29, № 1. С. 119–141.

DOI: 10.25205/1560-750X-2026-29-1-119-141

Development of approaches to the Myshkis problem on the stability of a first-order differential equation with aftereffect

Kirill M. Chudinov
Mat. Trudy. 2026, 29, № 1. С. 142–162.

DOI: 10.25205/1560-750X-2026-29-1-142-162

Mean square simultaneous approximation of certain classes of functions of two variables by algebraic ``angles''

Mirgand Sh. Shabozov, Favziya M. Madimarova
Mat. Trudy. 2026, 29, № 1. С. 163–183.

DOI: 10.25205/1560-750X-2026-29-1-163-183

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