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JOURNALS // Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki // Archive

2021, Volume 31, Issue 1


MATHEMATICS
On the convergence of the barycentric method in solving internal Dirichlet and Neumann problems in $ \mathbb{R}^2$ for the Helmholtz equation
A. S. Il'inskii, I. S. Polyanskii, D. E. Stepanov
3
Numerical-analytical method for solving boundary value problem for the generalized moisture transport equation
M. A. Kerefov, S.Kh. Gekkieva
19
On two-frequency quasi-periodic perturbations of systems close to two-dimensional Hamiltonian ones with a double limit cycle
O. S. Kostromina
35
On functions with the boundary Morera property in domains with piecewise-smooth boundary
A. M. Kytmanov, S. G. Myslivets
50
The absence of residual property for strong exponents of oscillation of linear systems
A. Kh. Stash
59
Relaxation of the attainability problem for a linear control system of neutral type
A. G. Chentsov, A. N. Sesekin
70

MECHANICS
Small nutation of a symmetic gyroscope: two viewpoints
V. V. Voytik, N. G. Migranov
89
An approach in studying gyrostat motion with variable gyrostatic moment
G. V. Gorr
102

COMPUTER SCIENCE
Online web navigation assistant
N. M. Ali, A. M. Gadallah, H. A. Hefny, B. A. Novikov
116
Relevance ranking for proximity full-text search based on additional indexes with multi-component keys
A. B. Veretennikov
132
Neural network method of data processing and transmission in adaptive information systems
A. D. Obukhov, M. N. Krasnyanskiy
149


© Steklov Math. Inst. of RAS, 2025