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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</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">8773</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Symplectic Integrators and the Problem of Wave Propagation in Layered Media</article-title><trans-title-group xml:lang="ru"><trans-title>Симплектические интеграторы и задача распространения волн в слоистой среде</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gevorkyan</surname><given-names>M N</given-names></name><name xml:lang="ru"><surname>Геворкян</surname><given-names>Мигран Нельсонович</given-names></name></name-alternatives><bio xml:lang="en"> ; Peoples' Friendship University of Russia</bio><bio xml:lang="ru">Кафедра систем телекоммуникаций; Российский университет дружбы народов</bio><email>mngevorkyan@sci.pfu.edu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Gladysheva</surname><given-names>J V</given-names></name><name xml:lang="ru"><surname>Гладышева</surname><given-names>Юлия Владиленовна</given-names></name></name-alternatives><bio xml:lang="en"> ; Peoples' Friendship University of Russia</bio><bio xml:lang="ru">Кафедра систем телекоммуникаций; Российский университет дружбы народов</bio><email>yglad19@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples' Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2012-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2012</year></pub-date><issue>1</issue><issue-title xml:lang="en">NO1 (2012)</issue-title><issue-title xml:lang="ru">№1 (2012)</issue-title><fpage>50</fpage><lpage>60</lpage><history><date date-type="received" iso-8601-date="2016-09-08"><day>08</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2012, Геворкян М.Н., Гладышева Ю.В.</copyright-statement><copyright-year>2012</copyright-year><copyright-holder xml:lang="ru">Геворкян М.Н., Гладышева Ю.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/miph/article/view/8773">https://journals.rudn.ru/miph/article/view/8773</self-uri><abstract xml:lang="en">In this paper numerical methods that preserve the symplectic structure of the Hamiltonian systems are considered. Hamiltonian is constructed for the propagation of electromagnetic waves in a strati?ed medium without any sources. Hamilton's equations are solved using symplectic second-order Runge-Kutta method.</abstract><trans-abstract xml:lang="ru">Рассмотрены численные методы, сохраняющие симплектическую структуру гамильтоновой системы. Построен гамильтониан для случая распространения электромагнитной волны в стратифицированной среде без источников. Решены уравнения Гамильтона с помощью вариационного метода Рунге-Кутта 2-го порядка.</trans-abstract><kwd-group xml:lang="en"><kwd>symplectic integrators</kwd><kwd>symplectic structure</kwd><kwd>Hamiltonian formalism</kwd><kwd>Maxwell's equations without sources</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>симплектические интеграторы</kwd><kwd>симплектическая структура</kwd><kwd>формализм Гамильтона</kwd><kwd>уравнения Максвелла без источников</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Шутц Б. Геометрические методы математической физики. - Платон, 1995. [Shutc B. Geometricheskie metodih matematicheskoyj fiziki. - Platon, 1995. ]</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Дубровин Б.А., Новиков С.П., Фоменко А.Т. Современная геометрия. - 1 издание. - Москва: Наука, 1979. [Dubrovin B. A., Novikov S. P., Fomenko A. T. Sovremennaya geometriya. - 1 издание. - Moskva: Nauka, 1979. ]</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Бахвалов Н. С., Жидков Н. П., Кобельков Г. М. Численные методы. - 6 издание. - Москва: Бином, 2008. - ISBN 978-5-94774-815-4. [Bakhvalov N. S., Zhidkov N. P., Kobeljkov G. M. Chislennihe metodih. - 6 издание. - Moskva: Binom, 2008. - ISBN 978-5-94774-815-4. ]</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Budd C.J., Piggott M.D. Geometric Integration and its Applications. - 2004.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Candy J., Rozmus W. A Symplectic Integration Algorithm for Separable Hamiltonian Functions // Comput. Phys. - 1991. - No 92. - Pp. 230-256.</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Kinoshita H., Yoshida H., Nakai H. Integrators and their Application to Dynamical Astronomy // Celestial Mechanics and Dynamical Astronomy. - 1991. - No 50. - Pp. 59-71.</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Forest E., Ruth R.D. Forth-Order Symplectic Integration // Submitted to Physica D. - 1989.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Дирак П.А.М. Лекции по теоретической физике. - Ижевск: Регулярная и хаотическая динамика, 2001. - ISBN 5-93972-026-9. [Dirak P. A. M. Lekcii po teoreticheskoyj fizike. - Izhevsk: Regulyarnaya i khaoticheskaya dinamika, 2001. - ISBN 5-93972-026-9. ]</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Sevastianov L.A. The System of Hamilton Equations for the Modes of the Electromagnetic Field in a Stratified Isotropic Medium (in russian) // Bulletin of Peoples Friendship University of Russia. Series Mathematics. Information Sciences. Physics. - 2011. - No 2. - Pp. 169-171.</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Sevastianov L.A., Kulyabov D.S. The System of Hamilton Equations for Normal Waves of the Electromagnetic Field in a Stratified Anisotropic Medium // The 12th small triangle meeting of theoretical physics. - Stak.cin: Institute of Experimental Physics. Slovak Academy of Sciences, 2010. - Pp. 82-86.</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Gevorkyan M.N., Kulyabov D.S., Sevastyanov L.A. A Study of Impedance, Frequency and Parametric Excitation of Oscillators (in russian) // Bulletin of Peoples Friendship University of Russia. Series Mathematics. Information Sciences. Physics. - 2009. - Vol. 4. - Pp. 56-62.</mixed-citation></ref></ref-list></back></article>
