Contents

Siberian Mathematical Journal


Vol. 66, No. 5, 2025


On the \( \pi \)-Potency of Certain Soluble Groups

D.N.Azarov p. 1103  abstract

Existence and Properties of Solutions to the Generalized Nash Equilibrium Problem

A.V.Arutyunov, E.S.Zhukovskiy, and S.E.Zhukovskiy p. 1116  abstract

Operators Defined on the Set of Banach Limits

S.V.Astashkin, E.M.Semenov, and A.S.Usachev p. 1134  abstract

On the Curvature, Ricci, Einstein, and Weyl Tensors of the Defrise Universe

V.N.Berestovskii p. 1140  abstract

Uniform and Absolute Convergence of the Fourier Series in Hermite–Sobolev Polynomials

R.M.Gadzhimirzaev p. 1149  abstract

On the Chern–Losik Number of Codimension \( 2 \) Foliations

Yu.D.Efremenko p. 1158  abstract

Undecidable Fragments of Positive Theories of Free Semigroups

A.I.Zetkina and V.G.Durnev p. 1171  abstract

On Lacunarity and Uniqueness for \( p \)-adic Analogs of Rademacher Chaos

A.D.Kazakova and M.G.Plotnikov p. 1184  abstract

Lipschitz Graphs on Classes of Two-Step Carnot Groups

M.B.Karmanova p. 1195  abstract

Translation Invariant Linear Functionals in Orlicz Spaces on Locally Compact Groups

Ya.A.Kopylov p. 1212  abstract

Surfaces on Helmholtz-Type Groups

V.A.Kyrov p. 1218  abstract

On Periodic Groups with a Narrow Conjugacy Class of Involutions

Y.M.Mao, X.J.Ma, D.V.Lytkina, and V.D.Mazurov p. 1231  abstract

Generalized Beltrami Fields. Exact Solutions

M.V.Neshchadim p. 1235  abstract

On Isomorphisms of Endomorphs and Witt Doubles

A.P.Pozhidaev p. 1242  abstract

Composition Operators Between Sobolev Spaces on Metric Measure Spaces. I

D.A.Sboev p. 1254  abstract

On Levi Operators Between Normed and Vector Lattices

E.Yu.Emelyanov p. 1270  abstract

Spectrum of Weighted Composition Operators. Part XI: The Essential Spectra of Some Weighted Composition Operators on the Disk Algebra

A.Kitover and M.Orhon p. 1276  abstract

Around Kutateladze’s Stratification Principle

A.G.Kusraev p. 1285  abstract

Some Extremal Geometrical Problems

Yu.G.Nikonorov p. 1306  abstract

Divisors in Some Weighted Algebras of Entire Functions

N.F.Abuzyarova and D.V.Semenova p. 1331  abstract