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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">10.22405/2226-8383-2025-26-3-220-234</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-2014</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>Короткие квадратичные тригонометрические суммы с простыми числами в больших дугах</article-title><trans-title-group xml:lang="en"><trans-title>Short quadratic exponential sums with primes in major arcs</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>Рахмонов</surname><given-names>Зарулло Хусенович</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmonov</surname><given-names>Zarullo Khusenovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук, академик НАН Таджикистана</p></bio><bio xml:lang="en"><p>doctor of physical and mathematical sciences, Academician of the National Academy of Sciences of Tajikistan</p></bio><email xlink:type="simple">zarullo.rakhmomov@gmail.com</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>Хотамова</surname><given-names>Рахбарой Латифовна</given-names></name><name name-style="western" xml:lang="en"><surname>Khotamova</surname><given-names>Rakhbaroy Latifovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник</p></bio><bio xml:lang="en"><p>research associate</p></bio><email xlink:type="simple">hotamovarahbaroi@mail.ru</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>Шарифзода</surname><given-names>Машрафи Сулаймон</given-names></name><name name-style="western" xml:lang="en"><surname>Sharifzoda</surname><given-names>Mashrafi Sulaimon</given-names></name></name-alternatives><bio xml:lang="ru"><p>научный сотрудник</p></bio><bio xml:lang="en"><p>research associate</p></bio><email xlink:type="simple">mashrab.sharifzoda.92@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Таджикский национальный университет</institution><country>Таджикистан</country></aff><aff xml:lang="en"><institution>Tajik National University</institution><country>Tajikistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт математики им. А. Джураева НАН Таджикистана</institution><country>Таджикистан</country></aff><aff xml:lang="en"><institution>A. Dzhuraev Institute of Mathematics, National Academy of Sciences of Tajikistan</institution><country>Tajikistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>11</month><year>2025</year></pub-date><volume>26</volume><issue>3</issue><fpage>220</fpage><lpage>234</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рахмонов З.Х., Хотамова Р.Л., Шарифзода М.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Рахмонов З.Х., Хотамова Р.Л., Шарифзода М.С.</copyright-holder><copyright-holder xml:lang="en">Rakhmonov Z.K., Khotamova R.L., Sharifzoda M.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/2014">https://www.chebsbornik.ru/jour/article/view/2014</self-uri><abstract><p>Воспользовавшись вторым моментом 𝐿-функций Дирихле на критической прямой в больших дугах M(L𝑏), 𝜏 = 𝑦3𝑥−1L−𝑏1 , за исключением малой окрестности центров этих дуг |𝛼 − 𝑎𝑞 | &gt; (8𝜋𝑦2)−1 при 𝑦 ⩾ 𝑥^1− 1/(9−4√2)L𝑐2 , 𝑐2 =2𝐴+24+(√2−1)𝑏1/2√2−1, получена оценка:</p><p>а в малой окрестности |𝛼 − 𝑎𝑞 | ⩽ (8𝜋𝑦2)−1 центра больших дуг M(L𝑏) для 𝑆2(𝛼; 𝑥, 𝑦) при 𝑦 ⩾ 𝑥^5/8 L1,5𝐴+0,25𝑏+18 получена асимптотическая формула с остаточным членом, где 𝐴, 𝑏1,𝑏 — произвольные фиксированные положительные числа, L = ln 𝑥𝑞.</p></abstract><trans-abstract xml:lang="en"><p>Using the second moment of Dirichlet 𝐿-functions on the critical line over the major arcs M(L𝑏), with 𝜏 = 𝑦3𝑥−1L−𝑏1 , and excluding a small neighborhood of the centers of these arcs, i.e., those 𝛼 satisfying |𝛼 − 𝑎𝑞 | &gt; (8𝜋𝑦2)−1, for 𝑦 ⩾ 𝑥^1− 1/(9−4√2)L𝑐2 , where 𝑐2 = 2𝐴+24+(√2−1)𝑏1/2√2−1, we obtain the estimate</p><p>Moreover, in a small neighborhood of the center of the major arcs, defined by |𝛼−𝑎𝑞 | ⩽ (8𝜋𝑦2)−1,for 𝑦 ⩾ 𝑥^5/8 L1,5𝐴+0,25𝑏+18, an asymptotic formula with a remainder term is obtained for 𝑆2(𝛼; 𝑥, 𝑦), where 𝐴, 𝑏1, and 𝑏 are arbitrary fixed positive constants, and L = ln 𝑥.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>короткая тригонометрическая сумма с простыми числами</kwd><kwd>большие дуги</kwd><kwd>плотностная теорема</kwd><kwd>𝐿-функция Дирихле</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Short exponential sum with primes</kwd><kwd>major arcs</kwd><kwd>density theorem</kwd><kwd>Dirichlet 𝐿- function</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">Liu J., Zhan T. 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