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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Contemporary Mathematics. Fundamental Directions</journal-id><journal-title-group><journal-title xml:lang="en">Contemporary Mathematics. Fundamental Directions</journal-title><trans-title-group xml:lang="ru"><trans-title>Современная математика. Фундаментальные направления</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2413-3639</issn><issn publication-format="electronic">2949-0618</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">22390</article-id><article-id pub-id-type="doi">10.22363/2413-3639-2017-63-3-392-417</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>New Results</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Новые результаты</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Optimal Perturbations of Systems with Delayed Argument for Control of Dynamics of Infectious Diseases Based on Multicomponent Actions</article-title><trans-title-group xml:lang="ru"><trans-title>Оптимальные возмущения систем с запаздывающим аргументом для управления динамикой инфекционных заболеваний на основе многокомпонентных воздействий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bocharov</surname><given-names>G A</given-names></name><name xml:lang="ru"><surname>Бочаров</surname><given-names>Г А</given-names></name></name-alternatives><email>gbocharov@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nechepurenko</surname><given-names>Yu M</given-names></name><name xml:lang="ru"><surname>Нечепуренко</surname><given-names>Ю М</given-names></name></name-alternatives><email>yumnech@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khristichenko</surname><given-names>M Yu</given-names></name><name xml:lang="ru"><surname>Христиченко</surname><given-names>М Ю</given-names></name></name-alternatives><email>micha.hrist@rambler.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grebennikov</surname><given-names>D S</given-names></name><name xml:lang="ru"><surname>Гребенников</surname><given-names>Д С</given-names></name></name-alternatives><email>dmitry.ew@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Numerical Mathematics of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт вычислительной математики РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт прикладной математики им. М. В. Келдыша РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2017</year></pub-date><volume>63</volume><issue>3</issue><issue-title xml:lang="en">Diﬀerential and Functional Diﬀerential Equations</issue-title><issue-title xml:lang="ru">Дифференциальные и функционально-дифференциальные уравнения</issue-title><fpage>392</fpage><lpage>417</lpage><history><date date-type="received" iso-8601-date="2019-12-06"><day>06</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Contemporary Mathematics. Fundamental Directions</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Современная математика. Фундаментальные направления</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Contemporary Mathematics. Fundamental Directions</copyright-holder><copyright-holder xml:lang="ru">Современная математика. Фундаментальные направления</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.rudn.ru/CMFD/article/view/22390">https://journals.rudn.ru/CMFD/article/view/22390</self-uri><abstract xml:lang="en">In this paper, we apply optimal perturbations to control mathematical models of infectious diseases expressed as systems of nonlinear diﬀerential equations with delayed argument. We develop the method for calculation of perturbations of the initial state of a dynamical system with delayed argument producing maximal ampliﬁcation in the given local norm taking into account weights of perturbation components. For the model of experimental virus infection, we construct optimal perturbation for two types of stationary states, with low or high virus load, corresponding to diﬀerent variants of chronic virus infection ﬂow.</abstract><trans-abstract xml:lang="ru">Работа посвящена применению оптимальных возмущений для управления математическими моделями инфекционных заболеваний, сформулированными в виде систем нелинейных дифференциальных уравнений с запаздывающим аргументом. Разработан алгоритм вычисления возмущений начального состояния динамической системы с запаздыванием, обладающих максимальной амплификацией в заданной локальной норме с учетом значимости компонент возмущения. Для модели экспериментальной вирусной инфекции построены оптимальные возмущения для двух типов стационарных состояний, с низким и высоким уровнем вирусной нагрузки, отвечающих различным вариантам течения хронической вирусной инфекции.</trans-abstract></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Беллман Р., Кук К. Л. Дифференциально-разностные уравнения. - М.: Мир, 1967.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Бочаров Г. А., Марчук Г. И. Прикладные проблемы математического моделирования в иммунологии// Журн. выч. мат. и мат. физ. - 2000. - 40. - С. 1905-1920.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Дементьев В. Г., Лебедев В. И., Нечепуренко Ю. М. 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