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Media identifier R30-01480

Reports of the National Academy of Sciences of Ukraine publishes short communications presenting original unpublished results of studies in the fields of mathematics, natural sciences, and technique, whose authors are Academicians and Corresponding Members of the NAS of Ukraine.

Publisher: PH “Akademperiodyka”

Current Issue

No. 4 (2021): Reports of the National Academy of Sciences of Ukraine
View No. 4 (2021): Reports of the National Academy of Sciences of Ukraine

№ 4 (2021): Доповіді Національної академії наук України

Published: 18.03.2026

Mathematics

  • Fredholm boundary- value problems with parameter in Sobolev— Slobodetsky spaces

    V.A. Mikhailets, T.B. Skorobohach
    3-8
    DOI: https://doi.org/10.15407/dopovidi2021.04.003

  • Flags of subalgebras in contracted Lie algebras

    D. R. Popovych
    9-17
    DOI: https://doi.org/10.15407/dopovidi2021.04.009

  • An extremal problem for the invariant differential operators on a class of Cauchy-type integrals

    V.V. Savchuk, M.V. Savchuk
    18-23
    DOI: https://doi.org/10.15407/dopovidi2021.04.018

  • On the primitive irreducible representations of finitely generated nilpotent groups

    A.V. Tushev
    24-27
    DOI: https://doi.org/10.15407/dopovidi2021.04.024

Information Science and Cybernetics

  • Convergence of the operator extrapolation method

    V.V. Semenov, D.S. Siryk, O.S. Kharkov
    28-35
    DOI: https://doi.org/10.15407/dopovidi2021.04.028

Mechanics

Materials Science

  • Electrophysical properties of A3 IILaNb3O12 (AII = Sr, Ba) with slab perovskite-like structure

    Y.A. Titov, M.S. Slobodyanik, R.N. Kuzmin, V.V. Chumak
    53-60
    DOI: https://doi.org/10.15407/dopovidi2021.04.053

Geosciences

Chemistry

  • Sorption of ions Cu(II), Cd(II), Co(II), Zn(II), and Cr(VI) by a composite sorbent on the base of nano-sized iron

    I.A. Kovalchuk, I.V. Pylypenko, V.Yu. Tobilko, B.Yu. Kornilovych
    70-76
    DOI: https://doi.org/10.15407/dopovidi2021.04.070

  • A new method for the synthesis of nanomaterials for the needs of nanotechnologies

    O.M. Korduban, T.V. Kryshchuk, M.M. Medvedskij
    77-85
    DOI: https://doi.org/10.15407/dopovidi2021.04.077

Biology

  • Bioclimatic factors and the course of the COVID-19 pandemic in Europe: the place of Ukraine

    S.V. Mezhzherin, I.I. Kozynenko, V.M. Tytar
    86-93
    DOI: https://doi.org/10.15407/dopovidi2021.04.086

Biochemistry

Biophysics

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