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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">10.22405/2226-8383-2025-26-4-271-287</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-2083</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>Группы бинарных преобразований и топологические поля</article-title><trans-title-group xml:lang="en"><trans-title>Groups of binary transformations and topological fields</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>Геворкян</surname><given-names>Павел Самвелович</given-names></name><name name-style="western" xml:lang="en"><surname>Gevorgyan</surname><given-names>Pavel Samvelovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук, профессор</p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences, professor</p></bio><email xlink:type="simple">pgev@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский педагогический государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Pedagogical State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2025</year></pub-date><volume>26</volume><issue>4</issue><fpage>271</fpage><lpage>287</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Геворкян П.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Геворкян П.С.</copyright-holder><copyright-holder xml:lang="en">Gevorgyan P.S.</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/2083">https://www.chebsbornik.ru/jour/article/view/2083</self-uri><abstract><p>Введено понятие полутранзитивного бинарного действия группы 𝐺 на топологическом пространстве. Доказана теорема о двойственности полутранзитивных дистрибутивных бинарных 𝐺-пространств и топологических полей с мультипликативной группой 𝐺. Эта теорема устанавливает эквивалентность между категорией полутранзитивных дистрибутивных бинарных 𝐺-пространств и категорией топологических полей, мультипликативнаягруппа которых изоморфна 𝐺.В качестве приложений теоремы двойственности установлены два важных результата. Показано, что конечная группа может действовать полутранзитивно, дистрибутивно ибинарно только на конечных множествах, мощность которых является степенью простого числа. Также получена полная характеристика тех групп, которые могут выступать в качестве мультипликативных групп топологических полей.</p></abstract><trans-abstract xml:lang="en"><p>The notion of a semitransitive binary action of a group 𝐺 on a topological space is introduced. A duality theorem is proved, establishing a bijective correspondence between semitransitivedistributive binary 𝐺-spaces and topological fields whose multiplicative group is isomorphic to 𝐺. This result yields an equivalence between the category of semitransitive distributive binary 𝐺-spaces and the category of topological fields with multiplicative group 𝐺.As applications of the duality theorem, two important results are established. It is shown that a finite group can act semitransitively, distributively, and binarily only on finite sets whose cardinality is a power of a prime number. A complete characterization of those groups that can appear as multiplicative groups of topological fields is also obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бинарное действие</kwd><kwd>дистрибутивное бинарное 𝐺-пространство</kwd><kwd>полутранзитивное бинарное действие</kwd><kwd>топологическое поле</kwd><kwd>теорема двойственности.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>binary action</kwd><kwd>distributive binary 𝐺-space</kwd><kwd>semitransitive binary action</kwd><kwd>topological field</kwd><kwd>duality theorem.</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">Mann H. B. On orthogonal latin squares // Bull. Amer. Math. Soc. 1944. Vol. 50, P. 249–257.</mixed-citation><mixed-citation xml:lang="en">Mann, H.B. 1944, “On orthogonal latin squares”, Bull. Amer. Math. 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