<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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">matmess</journal-id><journal-title-group><journal-title xml:lang="ru">Математические заметки СВФУ</journal-title><trans-title-group xml:lang="en"><trans-title>Mathematical notes of NEFU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2411-9326</issn><issn pub-type="epub">2587-876X</issn><publisher><publisher-name>Северо-Восточный федеральный университет имени М.К. Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">matmess-436</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>МАТЕМАТИКА</subject></subj-group></article-categories><title-group><article-title>РЕЗУРГЕНТНЫЕ ФУНКЦИИ И СИНГУЛЯРНЫЕ ОДУ</article-title><trans-title-group xml:lang="en"><trans-title>Resurgence functions and ODE</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>Экаль</surname><given-names>Ж. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Ecalle</surname><given-names>J.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Jean Ecalle (Жан Робертович Экаль)</p><p>CNRS &amp; Paris 11 Univ., Orsay, France, Baˆt. 425, 91405 Orsay Cedex, France</p></bio><bio xml:lang="en"><p>Jean Ecalle</p><p>CNRS &amp; Paris 11 Univ., Orsay, France, Baˆt. 425, 91405 Orsay Cedex, France</p></bio><email xlink:type="simple">jean.ecalle@math.u-psud.fr</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>CNRS &amp; Paris 11 Univ.</institution><country>Франция</country></aff><aff xml:lang="en"><institution>CNRS &amp; Paris 11 Univ.</institution><country>France</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>08</day><month>07</month><year>2026</year></pub-date><volume>22</volume><issue>3</issue><fpage>57</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Экаль Ж.Р., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Экаль Ж.Р.</copyright-holder><copyright-holder xml:lang="en">Ecalle J.</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://matmess.elpub.ru/jour/article/view/436">https://matmess.elpub.ru/jour/article/view/436</self-uri><abstract><p>Предлагается краткое введение в теорию резургентности и приводится несколько применений к изучению сингулярных ОДУ.</p></abstract><trans-abstract xml:lang="en"><p>We present here a short introduction to resurgence theory with select applications to local analytic ODEs.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>резургентная функция</kwd><kwd>обыкновенное дифференциальное уравнение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>resurgence function</kwd><kwd>ODE</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">Costin O. On Borel summation and Sotes phenomena of nonlinear differential systems // Duke Math. J. 1998. V. 93, N 2.</mixed-citation><mixed-citation xml:lang="en">Costin O. On Borel summation and Sotes phenomena of nonlinear differential systems // Duke Math. J. 1998. V. 93, N 2.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Ecalle J. Th´eorie des fonctions r´esurgents. Paris: Orsay, 1980–1985. Vol. I, II, III.</mixed-citation><mixed-citation xml:lang="en">Ecalle J. Th´eorie des fonctions r´esurgents. Paris: Orsay, 1980–1985. Vol. I, II, III.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Ecalle J. Six lectures on transseries, analysable functions and the constructive proof of Dulac’s conjecture // Bifurcations etc. Kluwer, 1993. P. 75–184.</mixed-citation><mixed-citation xml:lang="en">Ecalle J. Six lectures on transseries, analysable functions and the constructive proof of Dulac’s conjecture // Bifurcations etc. Kluwer, 1993. P. 75–184.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Ecalle J. Recent advances in the analysis of divergence and singularities // Proc. 2002 Montreal Sem. ODEs &amp; normal forms. Kluwer, 2003. P. 87–187.</mixed-citation><mixed-citation xml:lang="en">Ecalle J. Recent advances in the analysis of divergence and singularities // Proc. 2002 Montreal Sem. ODEs &amp; normal forms. Kluwer, 2003. P. 87–187.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Ecalle J. Twisted resurgence monomials and canonical-spherical synthesis of local objects // Proc. 2002 Edinb. Conf. Asymptotics. Singapore: World Sci. Publ., 2003.</mixed-citation><mixed-citation xml:lang="en">Ecalle J. Twisted resurgence monomials and canonical-spherical synthesis of local objects // Proc. 2002 Edinb. Conf. Asymptotics. Singapore: World Sci. Publ., 2003.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Hoeven J.v.d. Transseries and real differential algebra. Berlin: Springer, 2006. (Lect. Notes Math.; V. 1888).</mixed-citation><mixed-citation xml:lang="en">Hoeven J.v.d. Transseries and real differential algebra. Berlin: Springer, 2006. (Lect. Notes Math.; V. 1888).</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Voros A. The return of the quartic oscillator. The complex WKB method // Ann. Inst. H. Poincar´e, A. Phys. Th´eor. 1983.</mixed-citation><mixed-citation xml:lang="en">Voros A. The return of the quartic oscillator. The complex WKB method // Ann. Inst. H. Poincar´e, A. Phys. Th´eor. 1983.</mixed-citation></citation-alternatives></ref></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>
