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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">10.22405/2226-8383-2018-19-2-111-122</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-467</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>Квазигруппы и их приложения</article-title><trans-title-group xml:lang="en"><trans-title>Quasigroups and their applications</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>Артамонов</surname><given-names>Вячеслав Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Artamonov</surname><given-names>Vyacheslav Alexandrovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математичес-ких наук, профессор, заведующий кафедрой высшей алгебры, заведующий кафедрой информатики и математики</p></bio><bio xml:lang="en"><p>doctor of~physical and mathemati\-cal sciences, professor, head of~the~department higher algebra's, head of the department of informatics and mathematics</p></bio><email xlink:type="simple">viacheslav.artamonov@gmail.com</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;&#13;
Всероссийская академия внешней торговли;&#13;
Российская академия народного хозяйства и государственной службы при Президенте РФ.</institution><country>Россия</country></aff><aff xml:lang="en"><institution>M. V. Lomonosov Moscow State University;&#13;
Russian foreign trade academy;&#13;
Russian Presidential Academy of National Economy and Public Administration.</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>19</day><month>12</month><year>2018</year></pub-date><volume>19</volume><issue>2</issue><issue-title>Том 19, № 2, 2018</issue-title><fpage>111</fpage><lpage>122</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Артамонов В.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Артамонов В.А.</copyright-holder><copyright-holder xml:lang="en">Artamonov V.A.</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/467">https://www.chebsbornik.ru/jour/article/view/467</self-uri><abstract><p>В работе приводится обзор результатов, получен\-ных в ходе работы по теме 0АААА-А16-116070810025-5 и по завершившемуся совместному проекту с индийскими алгебра\-истами С. Чакрабарти, С. Гангопапдуем, С. Палом. В работе приняли участие российские алгебраисты В.Т. Марков и А.Е. Панкратьев.</p><p>Цель работы состоит в изучении алгебраических свойств ко\-нечных полиномиально полных квазигрупп, проблемы их рас\-ознавания по латинскому квадрату и в построении полиноми\-ально полных квазигрупп квазигрупп достаточно большого по\-рядка. Кроме того, нас интересуют полиномиально полные квазигруппы без подквазигрупп. Приведены достаточные ус\-ловия полиномиально полноты квазигруппы $Q$ в терминах груп\-пы $G(Q)$. Например, достаточно, чтобы $G(Q)$ действовала два\-жды транзитивно на $Q$. Отмечено поведение $G(Q)$ при изото\-пиях. Показано что любую конечную квазигруппу можно вло\-жить в полиномиально полную. Рассмотрена конструкция би\-произведения квазигрупп. Результаты применяются для за\-щиты информации.</p></abstract><trans-abstract xml:lang="en"><p>A survey of results obtained within the project 0AAAA-A16-116070810025-5 and the recent joint project with Indian algebraists S.Chakrabarti, S. Gangopahyay, S. Pal and also with Russian participants V.T. Markov, A.E. Pankratiev.</p><p>The aim of projects is a study of algebraic properties of finite polynomially complete quasigroups, the problem of their recognition from its Latin square and constructions of polynomially complete quasigroups of sufficiently large order. We are also interested in poly nomially complete quasigroups with no subquasigroups. There are found sufficient conditions of polynomial completeness of a quasigroups $Q$ in terms of a group $G(Q)$. For example it suffices if $G(Q)$ acts doubly transitive in $Q$. There is found a behaviour of $G(Q)$ under isotopies.</p><p>It is shown that any finite quasigroup can be embedded into a polynomial complete one. The results are applied for securing an information.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>квазигруппы</kwd><kwd>латинские квадраты</kwd><kwd>группы перестановок</kwd><kwd>транзитивность.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>quasigroups</kwd><kwd>Latin squres</kwd><kwd>permutation groups</kwd><kwd>transitivity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках темы 0АААА-А16-116070810025-5 "Алгебраические системы: группы, кольца, универсальные алгебры; алгебраическая геометрия; группы Ли и теория инвариантов; компьютерная алгебра, теория кодирования"</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hagemann, J. and Herrmann C., Arithmetically locally equational classes and representation of partial functions, Universal algebra, Estergom (Hungary), vol.29, Colloq. Math. Soc. 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