Vol. 80, No. 2, 2025
Billiard Implementation of Non-Bott Singularities of Integrable Hamiltonian Systems Having at Most One Special Layer of the Seifert Fiber Space
p. 81 abstract
Estimates of Multiplicities of Irreducible Multitours of Some Binary Trees
p. 89 abstract
An Elliptic Billiard with the Cosine Law of Refraction at Confocal Quadrics
p. 97 abstract
An Operator Model of the Benard Problem and Its Spectral Analysis
p. 106 abstract
Isothermal Coordinate System on Surfaces of Revolution
p. 113 abstract
Examples of Differential Systems with Contrasting Combinations of Radial Stability and Instability
p. 121 abstract
On the Ergodicity of a Dynamical System Related to the Distribution of Fractional Parts of a Polynomial of Several Variables
p. 130 abstract
On the Complexity of One System of Linear Boolean Functions
p. 133 abstract
Trajectory Invariants of Noncompact Integrable Systems with Two Degrees of Freedom
p. 136 abstract
Radial Stability and Instability of a Differential System
p. 142 abstract
A Criterion of Expressibility of CPL Functions in Generalized Bases
p. 148 abstract