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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">10.22405/2226-8383-2019-20-1-202-211</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-623</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>Алгебраически компактные абелевы TI-группы</article-title><trans-title-group xml:lang="en"><trans-title>Algebraically compact abelian TI-groups</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>Компанцева</surname><given-names>Екатерина Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Kompantseva</surname><given-names>Ekaterina Igorevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, доцент, профессор кафедры алгебры, Московский педагогический государственный университет; профессор кафедры теории вероятностей и математической статистики, Финансовый университет при Правительстве РФ, г. Москва.</p></bio><bio xml:lang="en"><p>doctor of engineering, professor, Professor, Department of algebra, Moscow state pedagogical University; Professor of the Department of probability theory and mathematical statistics, Financial University under the Government of the Russian Federation, Moscow.</p></bio><email xlink:type="simple">kompantseva@yandex.ru</email></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нгуен</surname><given-names>Т. К. Ч.</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>T. Q. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант</p></bio><bio xml:lang="en"><p>postgraduate student</p></bio><email xlink:type="simple">trangnguyen.ru@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский педагогический государственный университет, г. Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow state pedagogical University, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>23</day><month>01</month><year>2020</year></pub-date><volume>20</volume><issue>1</issue><fpage>202</fpage><lpage>211</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Компанцева Е.И., Нгуен Т., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Компанцева Е.И., Нгуен Т.</copyright-holder><copyright-holder xml:lang="en">Kompantseva E.I., Nguyen T.</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/623">https://www.chebsbornik.ru/jour/article/view/623</self-uri><abstract><p>Абелева группа G называется TI-группой если любое ассоциативное кольцо с аддитивной группой G является филиальным. Абелева группа называется SI-группой ($$SI_H$$-группой), если любое (ассоциативное) кольцо с аддитивной группой G является SI-кольцом (гамильтоновым кольцом). В работе в классе редуцированных алгебраически компактных абелевых групп описаны  TI-группы, а также SI-группы и $$SI_H$$-группы.</p></abstract><trans-abstract xml:lang="en"><p>An abelian group G is called a TI-group if every associative ring with additive group G is filial. An abelian group G such that every (associative) ring with additive group G is an SI-ring (a hamiltonian ring) is called an SI-group (an $$SI_H$$-group). In this paper, TI-groups, as well as SI-groups and $$SI_H$$-groups are described in the class of reduced algebraically compact abelian groups.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>абелева группа</kwd><kwd>кольцо на абелевой группе</kwd><kwd>алгебраически компактная группа</kwd><kwd>филиальное кольцо</kwd><kwd>TI-группа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>abelian group</kwd><kwd>ring on a group</kwd><kwd>algebraically compact group</kwd><kwd>filial ring</kwd><kwd>TI-group</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">Beaumont R.A. Rings with additive groups which is the direct sum of cyclic groups // Duke Math. J. 1948. Vol. 15, №2. P. 367–369.</mixed-citation><mixed-citation xml:lang="en">Beaumont, R. A. 1948, “Rings with additive groups which is the direct sum of cyclic groups”, Duke Math. 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