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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">izvuzmath</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Математика</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3446</issn><issn pub-type="epub">2076-4626</issn><publisher><publisher-name>Казанский (Приволжский) федеральный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/0021-3446-2025-10-78-82</article-id><article-id custom-type="elpub" pub-id-type="custom">izvuzmath-230</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></article-categories><title-group><article-title>Поля, матрицы над которыми представимы в виде суммы потентных матриц и нильпотентной матрицы</article-title><trans-title-group xml:lang="en"><trans-title>Fields over which matrices can be represented as the sum of potent and nilpotent matrices</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>Абызов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Abyzov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адель Наилевич Абызов</p><p>ул. Кремлевская, д. 18, г. Казань, 420008, </p><p>Московский проси., д. 9, г. Санкт-Петербург, 190031</p></bio><bio xml:lang="en"><p>Adel N. Abyzov</p><p>18 Kremlyovskaya str., Kazan, 420008,</p><p>9 Moskovsky Ave., Saint Petersburg, 190031 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тапкин</surname><given-names>Д. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Tapkin</surname><given-names>D. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Даниль Тагирзянович Тапкин</p><p>ул. Кремлевская, д. 18, г. Казань, 420008, </p><p>Московский проси., д. 9, г. Санкт-Петербург, 190031</p></bio><bio xml:lang="en"><p>Danil T. Tapkin</p><p>18 Kremlyovskaya str., Kazan, 420008,</p><p>9 Moskovsky Ave., Saint Petersburg, 190031 </p></bio><email xlink:type="simple">danil.tapkin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский федеральный университет;&#13;
Петербургский государственный университет путей сообщения Императора Александра</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan Federal University;&#13;
Emperor Alexander I St. Petersburg State Transport 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>25</day><month>10</month><year>2025</year></pub-date><volume>0</volume><issue>10</issue><fpage>78</fpage><lpage>82</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абызов А.Н., Тапкин Д.Т., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Абызов А.Н., Тапкин Д.Т.</copyright-holder><copyright-holder xml:lang="en">Abyzov A.N., Tapkin D.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://izvuzmath.elpub.ru/jour/article/view/230">https://izvuzmath.elpub.ru/jour/article/view/230</self-uri><abstract><p>Исследуются поля, каждая матрица над которыми представима в виде суммы двух потентных матриц и нильпотентной матрицы. В частности, показано, что над полем P всякая матрица представима в виде суммы двух идемпотентных матриц и нильпотентной матрицы в точности тогда, когда либо P = F2, либо P = F3.</p></abstract><trans-abstract xml:lang="en"><p>We study fields over which every matrix can be represented as a sum of two potent matrices and a nilpotent matrix. In particular, it is shown that over a field P every matrix can be represented as a sum of two idempotent matrices and a nilpotent matrix exactly when either P = F2, or P = F3.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>q-потент</kwd><kwd>конечное поле</kwd><kwd>матрицы над конечными полями</kwd></kwd-group><kwd-group xml:lang="en"><kwd>q-potent</kwd><kwd>finite field</kwd><kwd>matrices over finite fields</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">Breaz S., C˘alug˘areanu G., Danchev P., Micu T. 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