Invariants of knots, surfaces in R 3, and foliations by Plakhta, L. P., Плахта, Л. П.

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Nonlocal transformations with additional variables. Forced symmetries by Tychynin, V. A., Тичинін, В. А.

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Kronrod–Reeb Graphs of Functions on Noncompact Two-Dimensional Surfaces. I by Polulyakh, E. O., Полулях, Е. А., Полулях, Е. А.

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Scattering Theory for 0-Perturbed $\mathcal{P}\mathcal{T}$ -Symmetric Operators by Hrod, A. I., Kuzhel', S. A., Грод, А. І., Кужіль, С. О.

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Asymptotic properties of $M$-estimates of parameters in a nonlinear regression model with discrete time and singular spectrum by Ivanov, O. V., Orlovs’kyi, I. V., Іванов, О. В., Орловський, І. В.

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NATURAL ELECTROMAGNETIC MODES OF A COMPOSITE OPEN STRUCTURE INVOLVING A PERFECTLY CONDUCTING STRIP GRATING, AN INHOMOGENEOUS FERRITE LAYER, AND A MONOLAYER OF GRAPHENE by Brovenko, A. V., Melezhik, P. N., Poyedinchuk, A. Ye., Senkevych, O. B., Yashina, N. P.

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The first Betti numbers of orbits of Morse functions on surfaces by Kuznietsova, I. V., Soroka, Yu. Yu., I. V., Yu. Yu., Кузнєцова, І. В., Сорока, Ю. Ю.

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Malliavin calculus for difference approximations of multidimensional diffusions: Truncated local limit theorem by Kulik, A. M., Кулик, О. М.

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60 Years of Databases (final part) by Reznichenko, V.A.

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FRACTAL RADIOPHYSICS. 1. THEORETICAL BASES by Lazorenko, O. V., Chernogor, L. F.

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