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JOURNALS // Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika // Archive

2021, Number 9


Mean-square approximation by “angle” in the space $L_{2,\mu}(\mathbb{R}^{2})$ with the Chebyshev–Hermite weight
M. O. Akobirshoev
3
A family of two-point boundary value problems for loaded differential equations
A. T. Assanova, A. Zholamankyzy
13
Regularization of a class of summary equations
F. N. Garif'yanov, E. V. Strezhneva
25
Guiding functional families, Lyapunov vector functions, and the existence of Poisson bounded solutions
K. S. Lapin
31
Generalized Lie-type derivations of alternative algebras
B. L. M. Ferreira, G. C. De Moraes
40
Stable hyperbolic limit cycles for a class of differential systems
S. E. Hamizi, R. Boukoucha
49
Convergence of Traub's iteration under $\omega$ continuity condition in Banach spaces
D. Sharma, S. K. Sunanda, S. K. Parhi
61

Brief communications
Combinatorial structure of a semigroup of bistochastic matrices
Yu. A. Al'pin, V. G. Tregubov
80
On the number of primality witnesses of composite integers
B. G. Mubarakov
86


© Steklov Math. Inst. of RAS, 2025