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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">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2016-5-595-602</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-393</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>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Полилогарифмы и асимптотика моментов сингулярной функции Лебега</article-title><trans-title-group xml:lang="en"><trans-title>Polylogarithms and the Asymptotic Formula for the Moments of Lebesgue’s Singular Function</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>Tимофеев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Timofeev</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физ.-мат. наук, профессор</p></bio><bio xml:lang="en"><p>ScD, professor</p></bio><email xlink:type="simple">timofeevEA@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П.Г. Демидова, ул. Советская, 14, г. Ярославль, 150003 Россия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.G. Demidov Yaroslavl State University, 14 Sovetskaya str., Yaroslavl 150003, Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>20</day><month>10</month><year>2016</year></pub-date><volume>23</volume><issue>5</issue><fpage>595</fpage><lpage>602</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Tимофеев Е.А., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Tимофеев Е.А.</copyright-holder><copyright-holder xml:lang="en">Timofeev E.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.mais-journal.ru/jour/article/view/393">https://www.mais-journal.ru/jour/article/view/393</self-uri><abstract><p>Напомним, что сингулярная функция Лебега \(L(t)\) определяется как единственное решение уравнения$$L(t) = qL(2t) +pL(2t-1),$$где \(p,q&gt;0, q=1-p, p\ne q\).Моментами функции \(L(t)\) будем называть величины$$M_n = \int_0^1t^n dL(t), \quad n = 0, 1, \dots$$Основной результат настоящей работы$$M_n =n^{\log_2 p} e^{-\tau(n)}\left(1 + \mathcal{O}(n^{-0.99})\right),$$где функция \(\tau(x)\) является периодической от \(\log_2x\) с периодом 1 и задается как$$\tau(x) = \frac12\ln p + \Gamma'(1)\log_2 p +\frac1{\ln 2}\frac{\partial}{\partial z}\left.Li_{z}\left(-\frac{q}{p}\right)\right|_{z=1} \\+\frac1{\ln 2}\sum_{k\ne0} \Gamma(z_k)Li_{z_k+1}\left(-\frac{q}{p}\right) x^{-z_k},$$$$z_k = \frac{2\pi ik}{\ln 2}, \ \ k\ne 0.$$Доказательство основано на применении пуассонизации и преобразования Меллина.</p></abstract><trans-abstract xml:lang="en"><p>Recall the Lebesgue's singular function. We define a Lebesgue's singular function \(L(t)\) as the unique continuous solution of the functional equation$$L(t) = qL(2t) +pL(2t-1),$$where \(p,q&gt;0\), \(q=1-p\), \(p\ne q\).The moments of Lebesque' singular function are defined as$$M_n = \int_0^1t^n dL(t), \quad n = 0, 1, \dots$$The main result of this paper is$$M_n =n^{\log_2 p} e^{-\tau(n)}\left(1 + \mathcal{O}(n^{-0.99})\right),$$where$$\tau(x) = \frac12\ln p + \Gamma'(1)\log_2 p +\frac1{\ln 2}\frac{\partial}{\partial z}\left.Li_{z}\left(-\frac{q}{p}\right)\right|_{z=1} %+\\ \\+\frac1{\ln 2}\sum_{k\ne0} \Gamma(z_k)Li_{z_k+1}\left(-\frac{q}{p}\right) x^{-z_k},$$$$z_k = \frac{2\pi ik}{\ln 2}, \ \ k\ne 0.$$The proof is based on analytic techniques such as the poissonization and the Mellin transform.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>моменты</kwd><kwd>самоподобие</kwd><kwd>функция Лебега</kwd><kwd>сингулярная функция</kwd><kwd>преобразование Меллина</kwd><kwd>полилогарифм</kwd><kwd>асимптотика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>moments</kwd><kwd>self-similar</kwd><kwd>Lebesgue’s function</kwd><kwd>singular</kwd><kwd>Mellin transform</kwd><kwd>polylogarithm</kwd><kwd>asymptotic</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">Flajolet P., Sedgewick R., Analytic Combinatorics, Cambridge University Press, 2008.</mixed-citation><mixed-citation xml:lang="en">Flajolet P., Sedgewick R., Analytic Combinatorics, Cambridge University Press, 2008.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Lomnicki Z., Ulam S. 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