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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-2430-2019-55-3-299-308</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-399</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICS</subject></subj-group></article-categories><title-group><article-title>Обобщенная задача линейного коположительного программирования</article-title><trans-title-group xml:lang="en"><trans-title>Generalized problem of linear copositive programming</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>Костюкова</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostyukova</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Костюкова Ольга Ивановна – доктор физико-математических наук, профессор, главный научный сотрудник</p><p>ул. Сурганова, 11, 220072, г. Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Olga I. Kostyukova – Dr. Sc. (Physics and Mathematics), Full Professor, Principal Research Fellow</p><p>11, Surganov Str., 220072, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">kostyukova@im.bas-net.by</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>Чемисова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tchemisova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чемисова Татьяна Владимировна – кандидат физико-математических наук, преподаватель Департамента математики</p><p>Университетский кампус Сантьяго, 3800-192, г. Авейру, Португалия</p></bio><bio xml:lang="en"><p>Tchemisova Tatiana Vladimirovna – Ph. D. (Physics and Mathematics), Assistant Professor of the Department of Mathematics</p><p>Campus Universitário Santiago, 3800-192, Aveiro, Portugal</p></bio><email xlink:type="simple">tatiana@ua.pt</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт математики Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Mathematics of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Университет Авейру</institution></aff><aff xml:lang="en"><institution>University of Aveiro</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>04</day><month>10</month><year>2019</year></pub-date><volume>55</volume><issue>3</issue><fpage>299</fpage><lpage>308</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костюкова О.И., Чемисова Т.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Костюкова О.И., Чемисова Т.В.</copyright-holder><copyright-holder xml:lang="en">Kostyukova O.I., Tchemisova T.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://vestifm.belnauka.by/jour/article/view/399">https://vestifm.belnauka.by/jour/article/view/399</self-uri><abstract><p>Статья посвящена изучению оптимизационных задач, в которых целевая функция линейна по конечномерной переменной х, в то время как ограничения линейны по х и квадратичны по индексу t, принадлежащему заданному конусу. Задачи такого вида могут интерпретироваться как обобщение задач полуопределенного и коположительного программирования. Для рассматриваемой задачи формулируется эквивалентная задача полубесконечного программирования и вводится множество неподвижных индексов, которое либо пусто, либо является объединением конечного числа выпуклых ограниченных многогранников. Изучение свойств множества допустимых планов позволило сформулировать и доказать новые эффективные условия оптимальности, которые не требуют дополнительных условий на ограничения и имеют форму критериев.</p></abstract><trans-abstract xml:lang="en"><p>We consider a special class of optimization problems where the objective function is linear w.r.t. decision variable х and the constraints are linear w.r.t. х and quadratic w.r.t. index t defined in a given cone. The problems of this class can be considered as a generalization of semi-definite and copositive programming problems. For these problems, we formulate an equivalent semi-infinite problem and define a set of immobile indices that is either empty or a union of a finite number of convex bounded polyhedra. We have studied properties of the feasible sets of the problems under consideration and use them to obtain new efficient optimality conditions for generalized copositive problems. These conditions are CQ-free and have the form of criteria.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>условия оптимальности</kwd><kwd>коположительное программирование</kwd><kwd>коническая оптимизация</kwd><kwd>неподвижные индексы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>optimality conditions</kwd><kwd>copositive programming</kwd><kwd>conic optimization</kwd><kwd>immobile indices</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при частичной финансовой поддержке в рамках государственной программы «Convergence» Республики Беларусь (задание 1.3.01) и португальского фонда FCT (Фонд Португалии для науки и технологии) через CIDMA (Центр изучения и развития математики и приложений) в рамках проекта UID/MAT/04106/2019.</funding-statement><funding-statement xml:lang="en">This work was partially supported by the state research program “Convergence” (Republic Belarus), Task 1.3.01 and by Portuguese funds through CIDMA – Center for Research and Development in Mathematics and Applications, and FCT – Portuguese Foundation for Science and Technology, within the project UID/MAT/04106/2019.</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">On copositive programming and standard quadratic optimization problems / I. 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