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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2220-8054-2015-6-2-162-172</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-904</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="en"><subject>PAPERS, PRESENTED AT THE CONFERENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>PAPERS, PRESENTED AT THE CONFERENCE</subject></subj-group></article-categories><title-group><article-title>A solution of nonlinear Schrödinger equation on metric graphs</article-title><trans-title-group xml:lang="ru"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Sabirov</surname><given-names>K. K.</given-names></name></name-alternatives><bio xml:lang="en"><p>4 University St., 100074, Tashkent</p></bio><email xlink:type="simple">karimjonsabirov@yahoo.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Khalmukhamedov</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="en"><p>22 Amir Temur St., 100060, Tashkent</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>National University of Uzbekistan</institution><country>Uzbekistan</country></aff><aff xml:lang="en" id="aff-2"><institution>Tashkent branch of Moscow State University named after L. V. Lomonosov</institution><country>Uzbekistan</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>14</day><month>08</month><year>2025</year></pub-date><volume>6</volume><issue>2</issue><fpage>162</fpage><lpage>172</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Sabirov K.K., Khalmukhamedov A.R., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Sabirov K.K., Khalmukhamedov A.R.</copyright-holder><copyright-holder xml:lang="en">Sabirov K.K., Khalmukhamedov A.R.</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://nanojournal.ifmo.ru/jour/article/view/904">https://nanojournal.ifmo.ru/jour/article/view/904</self-uri><abstract><p>We treat the Nonlinear Schr¨odinger equation (NLSE) on Metric graph. An approach developed earlier for NLSE on interval [<xref ref-type="bibr" rid="cit14">14</xref>], is extended for star graph. Dirichlet boundary conditions are imposed at the ends of bonds are imposed, while continuity conditions are chosen at the vertex of graph.</p></abstract><kwd-group xml:lang="en"><kwd>metric graphs</kwd><kwd>nonlinear Schr¨odinger equation</kwd><kwd>solitons</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">Y.S. Kivshar and G.P. Agarwal. Optical Solitons: From Fibers to Photonic Crystals. Academic, San Diego (2003).</mixed-citation><mixed-citation xml:lang="en">Y.S. Kivshar and G.P. Agarwal. Optical Solitons: From Fibers to Photonic Crystals. Academic, San Diego (2003).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">M.J. Ablowitz and P.A. Clarkson. 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