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<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">matmess</journal-id><journal-title-group><journal-title xml:lang="ru">Математические заметки СВФУ</journal-title><trans-title-group xml:lang="en"><trans-title>Mathematical notes of NEFU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2411-9326</issn><issn pub-type="epub">2587-876X</issn><publisher><publisher-name>Северо-Восточный федеральный университет имени М.К. Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25587/SVFU.2023.49.50.003</article-id><article-id custom-type="elpub" pub-id-type="custom">matmess-102</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>МАТЕМАТИКА</subject></subj-group></article-categories><title-group><article-title>Краевая задача на полуоси для обыкновенного дифференциального уравнения с дробной производной Капуто</article-title><trans-title-group xml:lang="en"><trans-title>A boundary value problem on the semi-axis for an ordinary differential equation with a fractional Caputo derivative</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>Егоров</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorov</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Егоров Иван Егорович</p><p>ул. Кулаковского, 48, Якутск 677000</p></bio><bio xml:lang="en"><p>Ivan E. Egorov</p><p>58 Belinsky Street, Yakutsk 677891, Russia</p></bio><email xlink:type="simple">ivanegorov51@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федотов</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotov</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федотов Егор Дмитриевич</p><p>ул. Белинского, 58, Якутск 677891</p></bio><bio xml:lang="en"><p>Egor D. Fedotov</p><p>48 Kulakovsky Street, Yakutsk 677000, Russia</p></bio><email xlink:type="simple">egorfedotov2011@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт математики СВФУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ammosov North-Eastern Federal University, Scientific Research Institute of Mathematics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Якутское отделение Регионального научно-образовательного математического центра «Дальневосточный центр математических исследований»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yakutsk Branch of the Regional Scientific and Educational Mathematical Center "Far Eastern Center of Mathematical Research"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2023</year></pub-date><volume>30</volume><issue>2</issue><fpage>30</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Егоров И.Е., Федотов Е.Д., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Егоров И.Е., Федотов Е.Д.</copyright-holder><copyright-holder xml:lang="en">Egorov I.E., Fedotov E.D.</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://matmess.elpub.ru/jour/article/view/102">https://matmess.elpub.ru/jour/article/view/102</self-uri><abstract><p>Рассмотрена однозначная разрешимость краевой задачи на полуоси для обыкновенного дифференциального уравнения высокого порядка с дробной производной Капуто и постоянными коэффициентами в классе ограниченных функций, где порядок дробной производной Капуто лежит на промежутке (0, 1). Высокие порядки дробной производной получаются путем композиции дробных производных Капуто. Дробная производная Капуто при целых порядках совпадает с классическим понятием производной, при этом рассматриваемая задача становится классической краевой задачей на полуоси для обыкновенного дифференциального уравнения высокого порядка. Для рассматриваемого уравнения построена фундаментальная система решений в классе ограниченных функций. Получены условия типа Лопатинского для граничных операторов, при которых краевая задача однозначно разрешима в классе ограниченных функций.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers the unique solvability of a boundary value problem on the semiaxis for a higher-order ordinary differential equation with a fractional Caputo derivative and constant coefficients in the class of bounded functions, where the order of the fractional Caputo derivative lies in the interval (0, 1). Higher orders of the fractional derivative are obtained by composing fractional Caputo derivatives. A special case of the fractional Caputo derivative for integer orders of the derivative coincides with the classical concept of the derivative and the problem under consideration becomes a classical boundary value problem on the half-axis for a higher-order ordinary differential equation. For the equation under consideration, a fundamental system of solutions in the class of bounded functions is constructed. Conditions of the Lopatinsky type for boundary operators are obtained under which the boundary value problem is uniquely solvable in the class of bounded functions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>производная Капуто</kwd><kwd>краевая задача</kwd><kwd>решение</kwd><kwd>оценка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Caputo derivative</kwd><kwd>boundary value problem</kwd><kwd>solution</kwd><kwd>estimate</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Петровский И. Г. Лекции по теории обыкновенных дифференциальных уравнений. М.: Физматлит, 2009.</mixed-citation><mixed-citation xml:lang="en">Petrovsky I. G., Lectures on the Theory of Ordinary Differential Equations [in Russian], Fizmatlit, Moscow (2009)</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Понтрягин Л. С. 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