RUS  ENG
Full version
JOURNALS // Sibirskii Matematicheskii Zhurnal // Archive

1980, Volume 21, Number 2


К 110-летию со дня рождения Владимира Ильича Ленина
2
Topological properties of complete groups of automorphisms of a space with a measure
S. I. Bezuglyi, V. Ya. Golodets
3
Characterization of the flabbyness of a sheaf of mappings into a cell complex
B. I. Botvinnik
14
A Hammerstein integral inclusion
D. R. Gaidarov, R. K. Ragimkhanov
19
Numerations of saturated and homogeneous models
S. S. Goncharov, B. N. Drobotun
25
Algebraic Mal'tsev algebras
A. N. Grishkov
42
Stability of Lorentz transformations in $n$-dimensional space
L. G. Gurov
51
The method of variations for univalent analytic functions with a quasiconformal extension
V. Ya. Gutlyanskii
61
Second-order optimality conditions for a class of nonsmooth problems of mathematical programming
B. S. Darkhovsky, E. S. Levitin
79
Strongly minimal countably categorical theories
B. I. Zil'ber
98
Parametric resonance in systems with lag under two-frequency perturbation
S. A. Kaschenko, Yu. S. Kolesov
113
Projection methods for solving multidimensional discrete convolution equations
A. V. Kozak, I. B. Simonenko
119
Some necessary and sufficient criteria for Korovkin sets for operators of class $S_m^0$
L. G. Labsker
128
Extremal properties of certain classes of functions with fixed first coefficients that map the half plane conformally onto itself
V. G. Moskvin, T. N. Sellyakhova, V. V. Sobolev
139
Weak commutativity of scattered summation of linear orders
A. G. Pinus
155
Banach algebras of measures on the line
B. A. Rogozin, M. S. Sgibnev
160
The embedding problem for abelian-by-nilpotent groups
N. S. Romanovskii
170
Conformal mappings of manifolds of bounded curvature
V. V. Usov
175
Limit theorems for a Galton–Watson branching process with immigration
L. V. Khan
183
Some extremal problems for Hardy classes of vector-valued functions
I. M. Tsalyuk
195
Solvable $F$-factorizable groups
M. V. Tsybanev
202
Mappings that preserve volume
A. V. Shaidenko
209
A theorem on freeness for one-relator groups in the variety $\mathfrak{R}_c\mathfrak{U}$
G. G. Yabanzhi
215
On the theory of multidimensional elliptic systems
A. Yanushauskas
223

Notes department
A theorem of Phragmén–Lindelöf-type for $n$-dimensional mappings with bounded distortion
V. A. Botvinnik, V. M. Miklyukov
232


© Steklov Math. Inst. of RAS, 2026