Vol. 108, No. 2, 2023

Doklady Mathematics

Countable Models of Complete Ordered Theories

T. S. Zambarnaya and B. S. Baizhanov p. 343 abstract

On Attractors of Ginzburg–Landau Equations in Domain with Locally Periodic Microstructure: Subcritical, Critical, and Supercritical Cases

K. A. Bekmaganbetov, A. A. Tolemys, V. V. Chepyzhov and G. A. Chechkin p. 346 abstract

An Observer Moving along a Cone in ${{\mathbb{R}}^{3}}$ under Conditions of Object’s Opposition

Academician of the RAS V. I. Berdyshev p. 352 abstract

Fokker–Planck–Kolmogorov Equations with a Parameter

Corresponding Member of the RAS V. I. Bogachev and S. V. Shaposhnikov p. 357 abstract

Dirac Electron Free Field Anticommutator and Its Zeros on Time Intervals

E. A. Karatsuba p. 363 abstract

Dynamics of a System of Two Equations with a Large Delay

S. A. Kashchenko and A. O. Tolbey p. 369 abstract

On the Integral Convergence of Numerical Schemes Calculating Gas-Dynamic Shock Waves

V. V. Ostapenko, E. I. Polunina and N. A. Khandeeva p. 374 abstract

On the Finiteness of the Set of Generalized Jacobians with Nontrivial Torsion Points over Algebraic Number Fields

Academician of the RAS V. P. Platonov, V. S. Zhgoon and G. V. Fedorov p. 382 abstract

Gradient Flows in Shape Optimization Theory

Corresponding Member of the RAS P. I. Plotnikov and J. Sokolowski p. 387 abstract

On the Canonical Ramsey Theorem of Erdős and Rado and Ramsey Ultrafilters

N. L. Polyakov p. 392 abstract

Study of Volterra Integro-Differential Equations by Methods of Semigroup Theory

N. A. Rautian p. 402 abstract

Optimization Spectral Problem for the Sturm–Liouville Operator in a Vector Function Space

Academician of the RAS V. A. Sadovnichii, Ya. T. Sultanaev and N. F. Valeev p. 406 abstract

Semiproducts, Products, and Modal Predicate Logics: Some Examples

V. B. Shehtman and D. Shkatov p. 411 abstract

Principle of Dynamic Balance of Demographic Process and the Limits of World Population Growth

V. V. Zakharov p. 419 abstract