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JOURNALS // Fundamentalnaya i Prikladnaya Matematika // Archive

1998, Volume 4, Issue 4


Survey
Recent results and open questions on semigroup graded rings
A. V. Kelarev
1115

Research Papers Dedicated to the Memory of A. N. Tikhonov
Global solvability of the Cauchy problem for system describing one-dimensional plasma flow
A. V. Gichuk, V. A. Tupchiev
1141
Asimptotics of contrast extremals in simplest vector variational problem
M. G. Dmitriev, Ni Ming Kang
1165
Week interaction of the perturbed Korteveg–de Vries solutions
L. A. Kalyakin
1179
Method of resolvent integral equations in the problem of three particles' scattering with the Coulomb interaction
V. L. Shablov, V. A. Bilyk, Yu. V. Popov
1207

On necessary and sufficient conditions of embedding of Nikol'skii classes from Lorentz spaces
A. I. Aganin
1225
Finite groups with multiple factorizations
B. Amberg, L. S. Kazarin, B. Hoefling
1251
Elementary equivalence of unitary linear groups over fields
E. I. Bunina
1265
Fully invariant subgroups of separable Abelian groups
S. Ya. Grinshpon
1279
Definite systems of linear equations over rings
V. P. Elizarov
1307
Some properties of space equimorphic mappings
O. V. Kartasheva
1315
Semigroups over which all acts are residually finite
I. B. Kozhukhov
1335
Irreducible locally nilpotent linear groups
V. S. Konyukh
1345
Abelian groups as injective modules over endomorphism rings
P. A. Krylov, E. G. Pakhomova
1365
The invariants of Post classes
S. S. Marchenkov
1385
Prime radical of $\Omega$-groups and $\Omega$-$l$-groups
A. V. Mikhalev, M. A. Shatalova
1405

Short communications
A linear representability of group $G_{n,k,l}=\langle a,t;\ a^n=1,\ t^{-1}a^k t=a^l\rangle$
R. T. Vol'vachev
1415
Separable torsion free Abelian groups with $UA$-rings of endomorphisms
O. V. Ljubimtsev
1419
On the best local nonglobal rational approximation in the space $H_2$
M. A. Nazarenko
1423


© Steklov Math. Inst. of RAS, 2025