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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">8306</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">On Two-Field Solitons in 2 and 3 Dimensions</article-title><trans-title-group xml:lang="ru"><trans-title>Двухполевые солитоны в двух- и трехмерном пространстве</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bogolubsky</surname><given-names>I L</given-names></name><name xml:lang="ru"><surname>Боголюбский</surname><given-names>Игорь Львович</given-names></name></name-alternatives><bio xml:lang="en"> ; Joint Institute for Nuclear Research</bio><bio xml:lang="ru">Лаборатория информационных технологий; Объединенный институт ядерных исследований</bio><email>bogolubs@jinr.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bogolubskaya</surname><given-names>A A</given-names></name><name xml:lang="ru"><surname>Боголюбская</surname><given-names>Алла Анатольевна</given-names></name></name-alternatives><bio xml:lang="en"> ; Joint Institute for Nuclear Research</bio><bio xml:lang="ru">Лаборатория информационных технологий; Объединенный институт ядерных исследований</bio><email>abogol@jinr.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Joint Institute for Nuclear Research</institution></aff><aff><institution xml:lang="ru">Объединенный институт ядерных исследований</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2010-02-02" publication-format="electronic"><day>02</day><month>02</month><year>2010</year></pub-date><issue>2.2</issue><issue-title xml:lang="en">NO2.2 (2010)</issue-title><issue-title xml:lang="ru">№2.2 (2010)</issue-title><fpage>152</fpage><lpage>156</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 ©; 2010, Боголюбский И.Л., Боголюбская А.А.</copyright-statement><copyright-year>2010</copyright-year><copyright-holder xml:lang="ru">Боголюбский И.Л., Боголюбская А.А.</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/8306">https://journals.rudn.ru/miph/article/view/8306</self-uri><abstract xml:lang="en">We study two- and three-dimensional stationary solitons with non-trivial topology in gauge-invariant nonlinear sigma models (NSMs) describing interaction of scalar unit SN ﬁelds with gauge vector SU(N − 1) ﬁelds, N = 2,3.</abstract><trans-abstract xml:lang="ru">В работе исследуются двух- и трехмерные стационарные солитоны с нетривиальной топологией в калибровочно-инвариантных нелинейных сигма-моделях, описывающих взаимодействие скалярных полей со значениями на сферах SN с калибровочными векторными SU(N − 1) полями (N = 2,3).</trans-abstract><kwd-group xml:lang="en"><kwd>nonlinear sigma models</kwd><kwd>solitons</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нелинейные сигма-модели, солитоны</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Bogolubsky I. 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