Contents

Russian Journal of Mathematical Physics


Vol. 32, No. 1, 2025


Research Articles

Short-Wave Solutions of the Wave Equation with Localized Velocity Perturbations Whose Wavelength Is Not Comparable to the Scale of Localized Inhomogeneity. One-Dimensional Case

A.I. Allilueva, and A.I. Shafarevich p. 1  abstract

Nonlocal de Sitter \(\sqrt{dS}\) Gravity Model and Its Applications

I. Dimitrijevic, B. Dragovich, Z. Rakic, and J. Stankovic p. 11  abstract

Efficient Semiclassical Asymptotics with Simple Caustics in a Boundary Value Problem

S.Yu. Dobrokhotov, V.E. Nazaikinskiih, A.V. Tsvetkova, and A.V. Turin p. 28  abstract

The Thom Isomorphism in Gauge-Equivariant \(K\)-Theory of \(C^*\)-Bundles

D. Fufaev, and E. Troitsky p. 44  abstract

Bifurcations of Magnetic Geodesic Flows on Surfaces of Revolution

I.F. Kobtsev, and E.A. Kudryavtseva p. 65  abstract

On Fractional-Linear Integrals of Geodesics on Surfaces

B. Kruglikov p. 97  abstract

Conjugation Equation for Quaternionic Conjugation Spaces

A. Kryazhev, D. Kuznetsov, and Th. Popelensky p. 105  abstract

Restricting/Extending Operators to/from Thick Hilbert \(C^*\)-Submodules

V.M. Manuilov p. 123  abstract

On Suspensions over Cartesian Products of Rough Transformations of the Circle

E. Nozdrinova, O. Pochinka, V. Shmukler, and S. Zinina p. 129  abstract

Ky Fan Theorem for Sphere Bundles

G. Panina, and R. Živaljević p. 141  abstract

Action of Reduced Powers on the Homology of Products of Complex Projective Spaces and Products of Lens Spaces

Th.Yu. Popelensky p. 150  abstract

Icosahedron in Birational Geometry

Yu. Prokhorov p. 160  abstract

Normal Subgroups Related to a One-Dimensional Pure Pseudorepresentation of a Group

A. I. Shtern p. 185  abstract

Index of Inönü–Wigner Contractions of Semisimple Lie Algebras

D.A. Timashev p. 189  abstract

Spatial Decay/Asymptotics in the Navier–Stokes Equation

P. Topalov p. 196  abstract

On the Lagrangian Embedding of \({\rm U}(n)\) in the Grassmannian \({\rm Gr} (n -1, 2 n -1)\)

N. Tyurin p. 210  abstract