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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">10.26907/0021-3446-2026-6-51-63</article-id><article-id custom-type="elpub" pub-id-type="custom">izvuzmath-314</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>О равномерно гриди-универсальных функциях относительно обобщенной системы Уолша</article-title><trans-title-group xml:lang="en"><trans-title>On uniformly greedy-universal functions with respect to the generalized Walsh system</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>Епископосян</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Episkoposian</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Серго Арменакович Епископосян</p><p>Ул. А. Манукяна, д. 1, Ереван, 0025; ул. Терьян, д. 105, Ереван, 0009</p></bio><bio xml:lang="en"><p>Sergo Armenak Episkoposian</p><p>1. Manukyan str., Yerevan, 0025; 105 Teryan str., Yerevan, 0009 </p></bio><email xlink:type="simple">sergoep@ysu.am</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>Саргсян</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sargsyan</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Арцрун Аршалуйсович Саргсян</p><p>Ул. А. Манукяна, д. 1, Ереван, 0025</p></bio><bio xml:lang="en"><p>Artsrun Arshaluys Sargsyan</p><p>1 A. Manukyan str., Yerevan, 0025</p></bio><email xlink:type="simple">asargsyan@ysu.am</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Григорян</surname><given-names>Т. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoryan</surname><given-names>T. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тигран Мартинович Григорян</p><p>Ул. А. Манукяна, д. 1, Ереван, 0025</p></bio><bio xml:lang="en"><p>Tigran Martinovich Grigoryan</p><p>1 A. Manukyan str., Yerevan, 0025</p></bio><email xlink:type="simple">t.grigoryan@ysu.am</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ереванский государственный университет; Национальный политехнический университет Армении</institution><country>Армения</country></aff><aff xml:lang="en"><institution>Yerevan State University; National Polytechnic University of Armenia</institution><country>Armenia</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ереванский государственный университет</institution><country>Армения</country></aff><aff xml:lang="en"><institution>Yerevan State University</institution><country>Armenia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>6</issue><fpage>51</fpage><lpage>63</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Епископосян С.А., Саргсян А.А., Григорян Т.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Епископосян С.А., Саргсян А.А., Григорян Т.М.</copyright-holder><copyright-holder xml:lang="en">Episkoposian S.A., Sargsyan A.A., Grigoryan T.M.</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/314">https://izvuzmath.elpub.ru/jour/article/view/314</self-uri><abstract><p>Построена функция $U\in L^{1}[0,1)$, которая обладает равномерно гриди-универсальностью относительно обобщенной системе Уолша.</p></abstract><trans-abstract xml:lang="en"><p>In this paper, we construct a function $U\in L^{1}[0,1)$ that is uniformly greedy-universal with respect to the generalized Walsh system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>обобщенная система Уолша</kwd><kwd>коэффициент Фурье</kwd><kwd>свойство универсальности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>generalized Walsh system</kwd><kwd>Fourier coefficient</kwd><kwd>property of universality</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке Комитета по науке РА в рамках научного проекта N 21AG-1A066</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">Chrestenson H.E. 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