Vol. 52, No. 3, 2019

Vestnik St. Petersburg University, Mathematics

On Asymptotic Normality in One Generalization of the Renyi Problem

S. M. Ananjevskii and N. A. Kryukov p. 227 abstract

On the Liouville Phenomenon in Estimates of Fractal Dimensions of Forced Quasi-Periodic Oscillations

M. M. Anikushin p. 234 abstract

Invariant Surfaces of Periodic Systems with Conservative Cubic First Approximation

V. V. Basov and A. S. Zhukov p. 244 abstract

Stability of the Equilibrium of an Oscillator with an Infinitely High Natural Oscillation Frequency

Yu. N. Bibikov and V. R. Bukaty p. 259 abstract

A Proof of the Correctness of an Algorithm Improving the Estimate of the Rate of Convergence of the Seidel Method

A. N. Borzykh p. 263 abstract

Monte Carlo Method for Solving ODE Systems

S. M. Ermakov and T. M. Tovstik p. 272 abstract

Sharkovskii’s Ordering and Estimates of the Number of Periodic Trajectories of Given Period of a Self-Map of an Interval

O. A. Ivanov p. 281 abstract

Polynomial Equivalence of the Problems “Predicate Formulas Isomorphism and Graph Isomorphism”

T. M. Kosovskaya and N. N. Kosovskii p. 286 abstract

Solving a Tropical Optimization Problem with Application to Optimal Scheduling

N. K. Krivulin and U. L. Basko p. 293 abstract

Dynamics of a Statically Unbalanced Rotor with an Elliptic Automatic Ball Balancer

V. G. Bykov and A. S. Kovachev p. 301 abstract

The Basin of Attraction in the Generalized Kapitsa Problem

D. B. Kulizhnikov, P. E. Tovstik and T. P. Tovstik p. 309 abstract

On Local Normability of Spaces of Keplerian Orbits

D. V. Milanov p. 317 abstract