<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">10.22405/2226-8383-2026-27-2-150-155</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-2233</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>Краткие сообщения</subject></subj-group></article-categories><title-group><article-title>Дуальные кольца и топологический радикал Бэра</article-title><trans-title-group xml:lang="en"><trans-title>Duo rings and the topological Baer radical</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>Белялов</surname><given-names>Дамир Наилевич</given-names></name><name name-style="western" xml:lang="en"><surname>Belyalov</surname><given-names>Damir Nailevich</given-names></name></name-alternatives><email xlink:type="simple">dam.bel07@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тензина</surname><given-names>Виктория Васильевна</given-names></name><name name-style="western" xml:lang="en"><surname>Tenzina</surname><given-names>Viktoria Vasilievna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences</p></bio><email xlink:type="simple">viktoria.tenzina@math.msu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>13</day><month>07</month><year>2026</year></pub-date><volume>27</volume><issue>2</issue><fpage>150</fpage><lpage>155</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белялов Д.Н., Тензина В.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Белялов Д.Н., Тензина В.В.</copyright-holder><copyright-holder xml:lang="en">Belyalov D.N., Tenzina V.V.</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/2233">https://www.chebsbornik.ru/jour/article/view/2233</self-uri><abstract><p>В работе мы рассматриваем ограниченные справа дуальные слева кольца. Доказано, что топологический радикал Бэра таких колец совпадает с множеством всех топологически нильпотентных элементов. Далее определяются топологически ниль-армендарицевыкольца. Доказано, что ранее рассмотренные кольца таковыми являются.</p></abstract><trans-abstract xml:lang="en"><p>In the paper we prove that the topological Baer radical of a right bounded left duo ring coincides with its set of the all topologically nilpotent elements. After that we define topologically nil-Armendariz rings. We prove that every right bounded left duo ring is a topologically nil-Armendariz ring.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>топологическое кольцо</kwd><kwd>дуальное кольцо</kwd><kwd>топологический радикал Бэра</kwd><kwd>армендарицево кольцо.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>topological ring</kwd><kwd>duo ring</kwd><kwd>topological Baer radical</kwd><kwd>Armendariz ring.</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">Arnautov V. I., Glavatsky S. T., Mikhalev A. V. Introduction to the Theory of Topological Rings and Modules. // New York: Marcel Dekker, 1996. 502 p.</mixed-citation><mixed-citation xml:lang="en">Arnautov, V.I., Glavatsky, S.T. &amp; Mikhalev, A.V. 1996, Introduction to the theory of topological rings and modules, Marcel Dekker, New York, 502 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Арнаутов В. И., Топологический радикал Бэра и разложение кольца // Сибирский математический журнал. 1964. Том 5, № 6. С. 1209-1227.</mixed-citation><mixed-citation xml:lang="en">Arnautov, V.I. 1964, “Topological Baer radical and decomposition of rings” [Topologicheskii radikal Bera i razlozhenie kolets], Sibirskii Matematicheskii Zhurnal, vol. 5, no. 6, pp. 1209– 1227.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Feller E. H. Properties of primary noncommutative rings // Transactions of the American Mathematical Society. 1958. Vol. 89. P. 79–91.</mixed-citation><mixed-citation xml:lang="en">Feller, E.H. 1958, “Properties of primary noncommutative rings”, Transactions of the American Mathematical Society, vol. 89, pp. 79–91.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Thierrin G. On Duo Rings // Canadian Mathematical Bulletin. 1960. Vol. 3, № 2. P. 167–172.</mixed-citation><mixed-citation xml:lang="en">Thierrin, G. 1960, “On duo rings”, Canadian Mathematical Bulletin, vol. 3, no. 2, pp. 167–172.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">M. Rege, S. Chhawchharia, Armendariz rings, Proc. Japan Acad. Ser. A Math. Sci. 73 (1997) 14–17.</mixed-citation><mixed-citation xml:lang="en">Rege, M. &amp; Chhawchharia, S. 1997, “Armendariz rings”, Proceedings of the Japan Academy. Series A, Mathematical Sciences, vol. 73, pp. 14–17.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Antoine R. Nilpotent elements and Armendariz rings // Journal of Algebra. 2008. Vol. 319. P. 3128–3140.</mixed-citation><mixed-citation xml:lang="en">Antoine, R. 2008, “Nilpotent elements and Armendariz rings”, Journal of Algebra, vol. 319, pp. 3128–3140.</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>
