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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">10.22405/2226-8383-2018-19-3-298-310</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-576</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>О полных рациональных тригонометрических суммах и интегралах</article-title><trans-title-group xml:lang="en"><trans-title></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>Чубариков</surname><given-names>Владимир Николаевич</given-names></name></name-alternatives><email xlink:type="simple">chubarik1@mech.math.msu.su</email></contrib></contrib-group><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>19</day><month>11</month><year>2019</year></pub-date><volume>19</volume><issue>3</issue><fpage>298</fpage><lpage>310</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чубариков В.Н., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Чубариков В.Н.</copyright-holder><copyright-holder xml:lang="en">Чубариков В.Н.</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/576">https://www.chebsbornik.ru/jour/article/view/576</self-uri><abstract><p>Найдены асимптотические формулы при $m\to\infty$ для числа решений системы сравнений вида$$g_s(x_1)+\dots +g_s(x_k)\equiv g_s(x_1)+\dots +g_s(x_k)\pmod{p^m}, 1\leq s\leq n,$$где неизвестные $x_1,\dots ,x_k,y_1,\dots ,y_k$ могут принимать значения из полной системы вычетов по модулю $p^m,$ а степени многочленов $g_1(x),\dots ,g_n(x)$ не превосходят $n.$Указаны такие многочлены $g_1(x),\dots ,g_n(x),$ для которых эти асимптотики справедливы при $2k&gt;0,5n(n+1)+1,$ а при $2k\leq 0,5n(n+1)+1$ данные асимптотики не имеют место.</p><p>Кроме того, для многочленов $g_1(x),\dots ,g_n(x)$ с вещественными коэффициентами, причем степени многочленов не превосходят $n,$ найдена асимптотика среднего значения тригонометрических интегралов вида$$\int\limits_0^1e^{2\pi if(x)}, f(x)=\alpha_1g_1(x)+\dots +\alpha_ng_n(x),$$где осреднение ведётся по всем вещественным параметрам $\alpha_1,\dots ,\alpha_n.$ Эта асимптотика справедлива при степени осреднения $2k&gt;0,5n(n+1)+1,$ а при $2k\leq 0,5n(n+1)+1$ она не имеет места.}{Asymptotical formulae as $m\to\infty$ for the number of solutions of the congruence system of a form$$g_s(x_1)+\dots +g_s(x_k)\equiv g_s(x_1)+\dots +g_s(x_k)\pmod{p^m}, 1\leq s\leq n,$$are found, where unknowns $x_1,\dots ,x_k,y_1,\dots ,y_k$ can take on values from the complete system of residues modulo $p^m,$ but degrees of polynomials $g_1(x),\dots ,g_n(x)$ do not exceed $n.$ Such polynomials $g_1(x),\dots ,g_n(x),$ for which these asymptotics hold as $2k&gt;0,5n(n+1)+1,$ but as $2k\leq 0,5n(n+1)+1$ the given asymptotics have no place, were shew.</p><p>Besides, for polynomials $g_1(x),\dots ,g_n(x)$ with real coefficients, moreover degrees of poly\-nomials do not exceed $n,$ the asymptotic of a mean value of trigonometrical integrals of the form$$\int\limits_0^1e^{2\pi if(x)}, f(x)=\alpha_1g_1(x)+\dots +\alpha_ng_n(x),$$where the averaging is lead on all real parameters $\alpha_1,\dots ,\alpha_n,$ is found. This asymptotic holds for the power of the averaging $2k&gt;0,5n(n+1)+1,$ but as $2k\leq 0,5n(n+1)+1$ it has no place.</p></abstract></article-meta></front><back><ref-list><title>References</title></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
