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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">10.22405/2226-8383-2020-21-2-94-108</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-757</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>Степени отображений между гомотопическими пространственными формами</article-title><trans-title-group xml:lang="en"><trans-title>Mapping degrees between homotopy space forms</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>Гонсалвес</surname><given-names>Дациберг</given-names></name><name name-style="western" xml:lang="en"><surname>Goncalves</surname><given-names>Daciberg</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор наук, профессор</p></bio><bio xml:lang="en"><p>Doctor of Sciences, Professor</p></bio><email xlink:type="simple">dlgoncal@ime.usp.br</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>Вонг</surname><given-names>Питер</given-names></name><name name-style="western" xml:lang="en"><surname>Wong</surname><given-names>Peter</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор наук, профессор</p></bio><bio xml:lang="en"><p>Doctor of Sciences, Professor</p></bio><email xlink:type="simple">pwong@bates.edu</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>Чжао</surname><given-names>Сюэчжи</given-names></name><name name-style="western" xml:lang="en"><surname>Zhao</surname><given-names>Xuezhi</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор наук, профессор, математический факультет</p></bio><bio xml:lang="en"><p>Doctor of Sciences, Professor</p></bio><email xlink:type="simple">zhaoxve@mail.cnu.edu.cn</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт математики и статистики, Университет Сан-Паулу</institution><country>Бразилия</country></aff><aff xml:lang="en"><institution>IME - USP</institution><country>Brazil</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Бэйтс-колледж</institution><country>Соединённые Штаты Америки</country></aff><aff xml:lang="en"><institution>Bates College</institution><country>United States</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Столичный педагогический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Capital Normal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>07</day><month>04</month><year>2020</year></pub-date><volume>21</volume><issue>2</issue><fpage>94</fpage><lpage>108</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гонсалвес Д., Вонг П., Чжао С., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Гонсалвес Д., Вонг П., Чжао С.</copyright-holder><copyright-holder xml:lang="en">Goncalves D., Wong P., Zhao X.</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/757">https://www.chebsbornik.ru/jour/article/view/757</self-uri><abstract><p>Пусть $\mathcal G$ — семейство периодических групп периода $2$ или $4$,а $\Bar \Sigma^m$ — гомотопическая $m$-пространственная формагде $\pi_1(\Bar \Sigma^m)\in \mathcal G$.Для $m=3$ мы изучаем множество степеней отображения$D(\Bar \Sigma_1^m, \Bar \Sigma_2^m)$ из $\Bar \Sigma_1^m$ в $\Bar \Sigma_2^m$.</p></abstract><trans-abstract xml:lang="en"><p>Let $\mathcal G$ be the family of periodic groups of period either $2$ or $4$, and $\Bar \Sigma^m$ be a homotopy $m$-space form where $\pi_1(\Bar \Sigma^m)\in \mathcal G$. For $m=3$, we study the set $D(\Bar \Sigma_1^m, \Bar \Sigma_2^m)$ of degrees of the maps from $\Bar \Sigma_1^m$ to $\Bar \Sigma_2^m$.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Гомотопические сферические пространственные формы</kwd><kwd>степень отображения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Homotopy spherical space forms</kwd><kwd>mapping degrees</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Эта работа была начата во время первого и второго визита авторов в столичный педагогический университет с 18 апреля по 2 мая 2018 года. Первого автора частично поддержал FAPESP Projeto Tem´atico “Topologia Alg´ebrica, Geom´etrica e Diferencial” 2016/24707-4 (Бразилия). Третий автор был частично поддержан NSF of China (11431009, 11961131004).</funding-statement><funding-statement xml:lang="en">This work was initiated during the first and second authors’ visit to Capital Normal University April 18 to May 2, 2018. The first author was supported in part by FAPESP Projeto Tem´atico “Topologia Alg´ebrica, Geom´etrica e Diferencial” 2016/24707-4 (Brazil). The third author was supported in part by the NSF of China (11431009, 11961131004).</funding-statement></funding-group></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>
