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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">10.17586/2220-8054-2017-8-3-310-316</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-600</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>MATHEMATICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕМАТИКА</subject></subj-group></article-categories><title-group><article-title>Finiteness of discrete spectrum of the two-particle Schrodinger operator on diamond lattices</article-title><trans-title-group xml:lang="ru"><trans-title>Finiteness of discrete spectrum of the two-particle Schrodinger operator ¨ on diamond lattices</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>Muminov</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="en"><p>Department of Mathematic of Sciences, Faculty of Science</p><p>81310 UTM Johor Bahru, Johor</p></bio><email xlink:type="simple">mukhiddin@utm.my</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Universiti Teknologi Malaysia</institution><country>Malaysia</country></aff><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>11</day><month>08</month><year>2025</year></pub-date><volume>8</volume><issue>3</issue><fpage>310</fpage><lpage>316</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Muminov M.I., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Muminov M.I.</copyright-holder><copyright-holder xml:lang="en">Muminov M.I.</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/600">https://nanojournal.ifmo.ru/jour/article/view/600</self-uri><abstract><p>We consider a two-particle Schrodinger operator H on the d−dimensional diamond lattice. We find a sufficiency condition of finiteness for discrete spectrum eigenvalues of H.</p></abstract><kwd-group xml:lang="en"><kwd>two-particle Hamiltonian on lattice</kwd><kwd>Birman–Schwinger principle</kwd><kwd>discrete spectrum</kwd></kwd-group><funding-group><funding-statement xml:lang="en">We thank the referee for valuable comments and gratefully acknowledge the support of the Malaysian Ministry of Education (MOE) through the Research Management Center (RMC), Universiti Teknologi Malaysia (Vote: QJ130000.2726.01K82)</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">Faddeev L.D., Merkuriev S.P. Quantum scattering theory for several particle systems. Kluwer Academic Publishers, 1993.</mixed-citation><mixed-citation xml:lang="en">Faddeev L.D., Merkuriev S.P. Quantum scattering theory for several particle systems. 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