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

2021, Number 8


Interpolation theorem for anisotropic net spaces
A. N. Bashirova, A. K. Kalidolday, E. D. Nursultanov
3
Differences and commutators of idempotents in $C^*$-algebras
A. M. Bikchentaev, Kh. Fawwaz
16
Uniqueness of solution to the Cauchy problem for aggregation equation in hyperbolic space
V. F. Vildanova
27
Continuation of polyanalytic functions
T. Ishankulov, D. Sh. Fozilov
37
Nondegenerate canonical solutions of one system of functional equations
V. A. Kyrov, G. G. Mikhailichenko
46
On the solvability of a periodic problem for nonlinear ordinary differential equation of the second order
A. N. Naimov, M. M. Kobilzoda
56

Brief communications
On $C^*$-algebras generated by the set of probability distributions
G. G. Amosov, S. A. Grigoryan, A. Yu. Kuznetsova
66
$CEA$ operators and the Ershov hierarchy
M. M. Arslanov, I. I. Batyrshin, M. M. Yamaleev
72
Invariant Ricci solitons on three-dimensional metric Lie groups with semi-symmetric connection
P. N. Klepikov, E. D. Rodionov, O. P. Khromova
80
Deformations of Lie algebras of type ${D}_{n}$ and their factoralgebras over the field of characteristic $2$
N. G. Chebochko
86


© Steklov Math. Inst. of RAS, 2025