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

2022, Number 7


The inverse problem for generalized contraharmonic means
T. H. Dinh, C. T. Le, B. K. Vo
3
Krasnosel'skii canonical domains and the existence of non-negative Poisson bounded solutions
K. S. Lapin
10
A boundary value problem for a mixed type equation with singular coefficients
M. Kh. Ruziev
18
Aggregation of strict order fuzzy relations
S. O. Smerchinskaya, N. P. Yashina
30
What can be expected from the image of $\sigma$-derivations on Banach algebras?
A. Hosseini
44
A problem with mixed boundary conditions for a singular elliptic equation in an infinite domain
T. G. Ergashev, Z. R. Tulakova
58

Brief communications
The expression of elliptic functions in terms of Jacobi functions
M. M. Alimov
73
Solvability of the initial-boundary value problem for the high-order Oldroyd model
V. G. Zvyagin, V. P. Orlov, M. V. Turbin
79
Spectral estimates for fourth-order differential operator with periodic coefficients
D. M. Polyakov
86


© Steklov Math. Inst. of RAS, 2026