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    <title>Results for "Sigma Xi"</title>
    <description>Showing 1 - 22 results of 22</description>
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    <item>
      <title>On the theory of moduli of surfaces</title>
      <pubDate>Tue, 24 Mar 2026 03:32:56 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7651</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7651</guid>
      <author>Ryazanov, V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Ryazanov, V.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Evolutionary pseudodifferential equations with smooth symbols in the $S$-type spaces</title>
      <pubDate>Tue, 24 Mar 2026 03:32:37 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7443</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7443</guid>
      <author>Horodets’kyi, V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Horodets’kyi, V.</dc:creator>
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    <item>
      <title>Inequalities of the Markov–Nikolskii type in regions with zero interior angles in Bergman space</title>
      <pubDate>Tue, 24 Mar 2026 03:32:18 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7322</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7322</guid>
      <author>Özkartepe, P.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Özkartepe, P.</dc:creator>
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    <item>
      <title>On the automorphism groups for some Leibniz algebras of low dimensions</title>
      <pubDate>Tue, 24 Mar 2026 03:32:09 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7282</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-7282</guid>
      <author>Kurdachenko, L. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Kurdachenko, L. A.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Interval rearrangement ensembles</title>
      <pubDate>Tue, 24 Mar 2026 03:27:10 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6341</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6341</guid>
      <author>Teplinsky, A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2023</dc:date>
      <dc:creator>Teplinsky, A.</dc:creator>
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    <item>
      <title>On the rate of convergence in the invariance principle for weakly dependent random variables</title>
      <pubDate>Tue, 24 Mar 2026 03:26:39 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6244</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-6244</guid>
      <author>Mukhamedov, A. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>2022</dc:date>
      <dc:creator>Mukhamedov, A. K.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On generalized Cauchy problem for one class of differential equation of infinite order</title>
      <pubDate>Tue, 24 Mar 2026 02:22:09 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2321</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-2321</guid>
      <author>Horodets’kyi , V. V.</author>
      <dc:format>Article</dc:format>
      <dc:date>2020</dc:date>
      <dc:creator>Horodets’kyi , V. V.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Local times of self-intersection</title>
      <pubDate>Tue, 24 Mar 2026 02:13:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1841</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1841</guid>
      <author>Izyumtseva, O. L.</author>
      <dc:format>Article</dc:format>
      <dc:date>2016</dc:date>
      <dc:creator>Izyumtseva, O. L.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On the solution of the problem of stochastic stability of the integral manifold by the Lyapunov’s second method</title>
      <pubDate>Tue, 24 Mar 2026 02:13:12 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1818</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1818</guid>
      <author>Vasilina, G. K.</author>
      <dc:format>Article</dc:format>
      <dc:date>2016</dc:date>
      <dc:creator>Vasilina, G. K.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Polynomial inequalities in quasidisks on weighted
Bergman space</title>
      <pubDate>Tue, 24 Mar 2026 02:11:20 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1719</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1719</guid>
      <author>Abdullayev, G. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2017</dc:date>
      <dc:creator>Abdullayev, G. A.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Theory
of multidimensional Delsarte – Lions transmutation operators. I</title>
      <pubDate>Tue, 24 Mar 2026 02:10:15 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1667</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1667</guid>
      <author>Blackmore, D.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Blackmore, D.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Generalized characteristics of smoothness and some extreme problems of the
approximation theory of functions in the space $L_2 (R)$. II</title>
      <pubDate>Tue, 24 Mar 2026 02:09:42 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1640</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1640</guid>
      <author>Vakarchuk, S. B.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Vakarchuk, S. B.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Generalized characteristics of smoothness and some extremе problems
of the approximation theory of functions in the space $L_2 (R)$. I</title>
      <pubDate>Tue, 24 Mar 2026 02:09:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1627</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1627</guid>
      <author>Vakarchuk, S. B.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Vakarchuk, S. B.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>One method for the investigation of the fundamental solution of the Cauchy
problem for parabolic systems</title>
      <pubDate>Tue, 24 Mar 2026 02:08:50 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1596</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1596</guid>
      <author>Litovchenko, V. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Litovchenko, V. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Polynomial inequalities in regions with interior zero
angles in the Bergman space</title>
      <pubDate>Tue, 24 Mar 2026 02:08:05 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1559</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1559</guid>
      <author>Abdullayev, F. G.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Abdullayev, F. G.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Lyapunov functions in the global analysis of chaotic systems</title>
      <pubDate>Tue, 24 Mar 2026 02:07:43 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1541</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1541</guid>
      <author>Leonov, G. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2018</dc:date>
      <dc:creator>Leonov, G. A.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Theory
of multidimensional Delsarte – Lions transmutation operators. II</title>
      <pubDate>Tue, 24 Mar 2026 02:06:31 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1478</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1478</guid>
      <author>Blackmore, D.</author>
      <dc:format>Article</dc:format>
      <dc:date>2019</dc:date>
      <dc:creator>Blackmore, D.</dc:creator>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Bernstein – Walsh-type polynomial inequalities
in domains bounded by piecewise asymptotically conformal curve with nonzero inner
angles in the Bergman space</title>
      <pubDate>Tue, 24 Mar 2026 02:05:46 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1459</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1459</guid>
      <author>Abdullayev, G. A.</author>
      <dc:format>Article</dc:format>
      <dc:date>2019</dc:date>
      <dc:creator>Abdullayev, G. A.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>On the solvability of the main inverse problem of stochastic
differential systems</title>
      <pubDate>Tue, 24 Mar 2026 02:05:06 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1425</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-1425</guid>
      <author>Ibraeva, G. T.</author>
      <dc:format>Article</dc:format>
      <dc:date>2019</dc:date>
      <dc:creator>Ibraeva, G. T.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Singularly perturbed multidimensional parabolic equation with rapidly oscillating free term</title>
      <pubDate>Tue, 24 Mar 2026 02:04:16 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/umjimathkievua-article-93</link>
      <guid>https://harvester.nas.gov.ua/Record/umjimathkievua-article-93</guid>
      <author>Omuraliev , A. S.</author>
      <dc:format>Article</dc:format>
      <dc:date>2021</dc:date>
      <dc:creator>Omuraliev , A. S.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Видатний ботанік сучасності. До 80-річного ювілею Пітера Рейвена</title>
      <pubDate>Tue, 02 Dec 2025 08:48:24 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-178437</link>
      <guid>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-178437</guid>
      <author>Мосякін, С.Л.</author>
      <dc:format>Article</dc:format>
      <dc:date>2016</dc:date>
      <dc:creator>Мосякін, С.Л.</dc:creator>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Лицар біорізноманіття (до 80-річчя Пітера Рейвена)</title>
      <pubDate>Tue, 25 Nov 2025 15:33:27 +0000</pubDate>
      <link>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-104839</link>
      <guid>https://harvester.nas.gov.ua/Record/nasplib_isofts_kiev_ua-123456789-104839</guid>
      <author>Мосякін, С.Л.</author>
      <dc:format>Article</dc:format>
      <dc:date>2016</dc:date>
      <dc:creator>Мосякін, С.Л.</dc:creator>
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