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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2025-26-2-160-175</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-1966</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Неприводимые представления колчанов, ассоциированных с кольцами</article-title><trans-title-group xml:lang="en"><trans-title>Irreducible representations of quivers associated to rings</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матович</surname><given-names>Елена</given-names></name><name name-style="western" xml:lang="en"><surname>Matovi´c</surname><given-names>Jelena</given-names></name></name-alternatives><email xlink:type="simple">jmatovic@mas.bg.ac.rs</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белградский университет</institution><country>Сербия</country></aff><aff xml:lang="en"><institution>University of Belgrade</institution><country>Serbia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>07</month><year>2025</year></pub-date><volume>26</volume><issue>2</issue><fpage>160</fpage><lpage>175</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матович Е., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Матович Е.</copyright-holder><copyright-holder xml:lang="en">Matovi´c J.</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://www.chebsbornik.ru/jour/article/view/1966">https://www.chebsbornik.ru/jour/article/view/1966</self-uri><abstract><p>В этой статье мы представляем текущие исследования по классификации неприводимых представлений следующего колчана или, скорее, диграфа (который в этой статье мы обозначаем через A):</p><p>Каждое представление A задается двумя векторными пространствами 𝑊0 и 𝑊1 и двумя гомоморфизмами 𝜙0 : 𝑊0 → 𝑊0 и 𝜙1 : 𝑊1 → 𝑊0:</p><p>Обозначим предыдущее представление через (𝑊1,𝑊0, 𝜙1, 𝜙0). Если dim(𝑊0) = 𝑛 и dim(𝑊1) = 𝑚, то можно определить 𝑊0 = 𝐾𝑛 и 𝑊1 = 𝐾𝑚, и тогда 𝜙0 и 𝜙1 отождествляются соответственно с 𝑛 × 𝑛 и 𝑛 × 𝑚 матрицами 𝑀0 и 𝑀1, так что указанное представление определяется четырехкратным (𝑚, 𝑛,𝑀1,𝑀0). Вычислим неприводимые представления для некоторого 𝑚.</p></abstract><trans-abstract xml:lang="en"><p>In this paper we present the ongoing research on classifying irreducible representations of the following quiver, or rather the digraph (which throughout this paper we denote by A):</p><p>Every representation of A is given by two vector spaces 𝑊0 and 𝑊1, and two homomorphisms 𝜙0 : 𝑊0 → 𝑊0 and 𝜙1 : 𝑊1 → 𝑊0:</p><p>We denote the previous representation by (𝑊1,𝑊0, 𝜙1, 𝜙0). If dim(𝑊0) = 𝑛 and dim(𝑊1) = 𝑚, we may identify 𝑊0 = 𝐾𝑛 and 𝑊1 = 𝐾𝑚, and then 𝜙0 and 𝜙1 are identified respectively with 𝑛 × 𝑛 and 𝑛 × 𝑚 matrices 𝑀0 and 𝑀1, so the above representation is determined by the quadruple (𝑚, 𝑛,𝑀1,𝑀0). We calculate irreducible representations for some 𝑚.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>конечные кольца</kwd><kwd>направленные графы</kwd><kwd>колчанные представления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>finite rings</kwd><kwd>directed graphs</kwd><kwd>quiver representations</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">Barot M. Introduction to the Representation Theory of Algebras. Cham: Springer, 2015. 352 p.</mixed-citation><mixed-citation xml:lang="en">Barot, M., 2015, Introduction to the Representation Theory of Algebras, Cham: Springer.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Lipkovski A.T. Digraphs associated with finite rings // Publications de l’Institut Math´ematique. 2012. Vol. 92, no. 106. P. 35–41.</mixed-citation><mixed-citation xml:lang="en">Lipkovski, A.T., 2012, “Digraphs associated with finite rings”, Publications de l’Institut Math´ematique, vol. 92, no. 106, pp. 35–41.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Lipkovski A.T., Matovi´c J. Quivers associated with finite rings — a cohomological approach // Filomat. 2023. Vol. 37, no. 25. P. 8583–8589.</mixed-citation><mixed-citation xml:lang="en">Lipkovski, A.T., Matovi´c, J., 2023, “Quivers associated with finite rings — a cohomological approach”, Filomat, vol. 37, no. 25, pp. 8583–8589.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
