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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">10.17586/2220-8054-2022-13-1-12-16</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-209</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="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>A model of sheared nanoribbons</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>Briet</surname><given-names>Ph.</given-names></name></name-alternatives><email xlink:type="simple">briet@univ-tln.fr</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>Universite´ de Toulon</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2025</year></pub-date><volume>13</volume><issue>1</issue><fpage>12</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Briet P., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Briet P.</copyright-holder><copyright-holder xml:lang="en">Briet P.</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/209">https://nanojournal.ifmo.ru/jour/article/view/209</self-uri><abstract><p>In this note, we investigate the spectral properties of the Dirichlet Laplacian defined on an infinite band subject to a “shearing”. We give conditions for which the shear does not produce discret eigenvalue. In a second part we discuss the existence of discrete spectrum.</p></abstract><kwd-group xml:lang="en"><kwd>Quantum waveguide</kwd><kwd>sheared band</kwd><kwd>Hardy inequality</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">Briet P., Abdou-Soimadou H., Krejcirık D. Spectral analysis of sheared nanoribbons. Z. Angew. Math. Phys., 2019, 70(2), 18 pp.</mixed-citation><mixed-citation xml:lang="en">Briet P., Abdou-Soimadou H., Krejcirık D. Spectral analysis of sheared nanoribbons. Z. Angew. Math. Phys., 2019, 70(2), 18 pp.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Exner P., Kovarik H. Spectrum of the Schro¨dinger operator in a periodically twisted tube. Lett. Math. 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