<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2022-23-4-152-156</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-1383</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Краткие сообщения</subject></subj-group></article-categories><title-group><article-title>Весовое неравенство Карлемана для дробного градиента</article-title><trans-title-group xml:lang="en"><trans-title>Weighted Carleman inequality for fractional gradient</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горбачев</surname><given-names>Дмитрий Викторович</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbachev</surname><given-names>Dmitriy Victorovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук</p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences</p></bio><email xlink:type="simple">dvgmail@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тульский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tula State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>16</day><month>01</month><year>2023</year></pub-date><volume>23</volume><issue>4</issue><fpage>152</fpage><lpage>156</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горбачев Д.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Горбачев Д.В.</copyright-holder><copyright-holder xml:lang="en">Gorbachev D.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.chebsbornik.ru/jour/article/view/1383">https://www.chebsbornik.ru/jour/article/view/1383</self-uri><abstract><p>Доказывается весовое неравенство Карлемана для дробного градиента ‖𝑒−𝑡⟨𝑎, · ⟩| · |−𝛾𝑓‖𝑞 &lt;= 𝐶‖𝑒−𝑡⟨𝑎, · ⟩| · |¯𝛾−¯𝛿∇𝛼𝑓‖𝑝, 𝑓 ∈ 𝐶∞0 (R𝑑), 𝑡 &gt; 0. При 𝛼 = 1 оно было доказано Л. Де Карли, Д. Горбачевым и С. Тихоновым (2020).Приведено приложение неравенства Карлемана для доказательства свойства единственности продолжения слабого решения дифференциального неравенства с потенциалом|∇𝛼𝑓| &lt;= 𝑉 |𝑓| в весовом пространстве Соболева.</p></abstract><trans-abstract xml:lang="en"><p>We prove the weighted Carleman inequality for the fractional gradient‖𝑒−𝑡⟨𝑎, · ⟩| · |−𝛾𝑓‖𝑞 &lt;= 𝐶‖𝑒−𝑡⟨𝑎, · ⟩| · |¯𝛾−¯𝛿∇𝛼𝑓‖𝑝, 𝑓 ∈ 𝐶∞0 (R𝑑), 𝑡 &gt; 0.For 𝛼 = 1, it was proved by L. De Carli, D. Gorbachev, and S. Tikhonov (2020). An application of the Carleman inequality is given to prove the weak unique continuation property of a solution of the differential inequality with the potential |∇𝛼𝑓| &lt;= 𝑉 |𝑓| in a weighted Sobolev space.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неравенство Карлемана</kwd><kwd>дробный градиент</kwd><kwd>преобразование Фурье</kwd><kwd>неравенство Питта</kwd><kwd>дифференциальное неравенство.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Carleman’s inequality</kwd><kwd>fractional gradient</kwd><kwd>Fourier transform</kwd><kwd>Pitt’s inequality</kwd><kwd>differential inequality.</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 18-11-00199, https://rscf.ru/ project/18-11-00199/.</funding-statement><funding-statement xml:lang="en">This Research was performed by a grant of Russian Science Foundation (project 18-11-00199), https://rscf. ru/project/18-11-00199/.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Benedetto J.J., Heinig H.P. Weighted Fourier inequalities: New proofs and generalizations //</mixed-citation><mixed-citation xml:lang="en">Benedetto, J.J. &amp; Heinig, H.P. 2003. “Weighted Fourier inequalities: New proofs and generalizations”,</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">J. Fourier Anal. Appl. 2003. Vol. 9. P. 1–37.</mixed-citation><mixed-citation xml:lang="en">J. Fourier Anal. Appl., vol. 9, pp. 1–37.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">De Carli L., Gorbachev D., Tikhonov S. Weighted gradient inequalities and unique continuation</mixed-citation><mixed-citation xml:lang="en">De Carli, L., Gorbachev, D. &amp; Tikhonov, S. 2020. “Weighted gradient inequalities and unique</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">problems // Calc. Var. Partial Dif. 2020. Vol. 59, no. 3. Article 89.</mixed-citation><mixed-citation xml:lang="en">continuation problems”, Calc. Var. Partial Dif., vol. 59, no. 3, article 89.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Gorbachev D.V., Ivanov V.I., Tikhonov S.Yu. Sharp approximation theorems and Fourier</mixed-citation><mixed-citation xml:lang="en">Gorbachev, D.V., Ivanov, V.I. &amp; Tikhonov, S.Yu. 2020. “Sharp approximation theorems and</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">inequalities in the Dunkl setting // J. Approx. Theory. 2020. Vol. 258. Article 105462.</mixed-citation><mixed-citation xml:lang="en">Fourier inequalities in the Dunkl setting”, J. Approx. Theory, vol. 258, article 105462.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Gorbachev D.V., Ivanov V.I., Tikhonov S.Yu. Riesz potential and maximal function for Dunkl</mixed-citation><mixed-citation xml:lang="en">Gorbachev, D.V., Ivanov, V.I. &amp; Tikhonov, S.Yu. 2021. “Riesz potential and maximal function</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">transform // Potential Anal. 2021. Vol. 55. P. 513–538.</mixed-citation><mixed-citation xml:lang="en">for Dunkl transform”, Potential Anal., vol. 55, pp. 513–538.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Heinig H.P. Weighted Sobolev inequalities for gradients // Harmonic analysis and applications.</mixed-citation><mixed-citation xml:lang="en">Heinig, H.P. 2006. “Weighted Sobolev inequalities for gradients”, Harmonic analysis and</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Appl. Numer. Harmon. Anal. Birkh¨auser, Boston, MA, 2006. P. 17–23.</mixed-citation><mixed-citation xml:lang="en">applications. Appl. Numer. Harmon. Anal., Birkh¨auser, Boston, MA, pp. 17–23.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
