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JOURNALS // Russian Universities Reports. Mathematics // Archive

2021, Volume 26, Issue 135


Scientific articles
On Chaplygin's theorem for an implicit differential equation of order $n$
S. Benarab
225
Eckland and Bishop-Phelps variational principles in partially ordered spaces
Z. T. Zhukovskaya, T. V. Zhukovskaya, O. V. Filippova
234
Perturbation of the fixed point problem for continuous mappings
Z. T. Zhukovskaya, S. E. Zhukovskiy
241
On the existence of a solution for a periodic boundary value problem for semilinear fractional-order differential inclusions in Banach spaces
M. I. Kamenskii, V. V. Obukhovskii, G. Petrosyan
250
Existence and stability of periodic solutions in a neural field equation
K. Kolodina, V. V. Kostrykin, A. Oleynik
271
Symbols in berezin quantization for representation operators
V. F. Molchanov, S. V. Tsykina
296
Superpositional measurability of a multivalued function under generalized Ñaratheodory conditions
I. D. Serova
305
Homogeneous spaces yielding solutions of the $k[S]$-hierarchy and its strict version
G. F. Helminck, J. A. Weenink
315


© Steklov Math. Inst. of RAS, 2025