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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">arkhumsci</journal-id><journal-title-group><journal-title xml:lang="ru">Арктика XXI век</journal-title><trans-title-group xml:lang="en"><trans-title>Arctic XXI century</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">3034-7378</issn><issn pub-type="epub">3034-7386</issn><publisher><publisher-name>Северо-Восточный федеральный университет им. М. К. Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25587/2310-5453-2025-39-1-6-18</article-id><article-id custom-type="elpub" pub-id-type="custom">arkhumsci-205</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></article-categories><title-group><article-title>Моделирование языкового сдвига на основе идентичности</article-title><trans-title-group xml:lang="en"><trans-title>Identity-based language shift modeling</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8616-9397</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аммосов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ammosov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аммосов Дмитрий Андреееввич – кандидат физико-математических наук, научный сотрудник (постдокторант)</p><p>Абу-Даби</p><p>ResearcherID: AAY-5903-2021</p><p>Elibrary AuthorID: 1258891</p><p>SPIN: 3408-3737</p></bio><bio xml:lang="en"><p>Dmitry A. Ammosov – Cand. Sci. (Physics and Mathematics), Post Doctoral Fellow</p><p>Abu Dhabi</p><p>ResearcherID: AAY-5903-2021</p><p>Scopus Author ID: 57208263321</p><p>Elibrary AuthorID: 1258891</p><p>SPIN: 3408-3737</p></bio><email xlink:type="simple">dmitrii.ammosov@ku.ac.ae</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9626-303X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эфендиев</surname><given-names>Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Efendiev</surname><given-names>Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эфендиев Ялчин – Ph.D. (прикладная математика), профессор кафедры Mobil</p><p>Техас</p><p>ResearcherID: F-2777-2015</p><p>Scopus Author ID: 12039192600</p></bio><bio xml:lang="en"><p>Yalchin Efendiev – Ph.D. (Applied Mathematics), Mobil Chair Professor</p><p>Texas</p><p>ResearcherID: F-27772015</p><p>Scopus Author ID: 12039192600</p></bio><email xlink:type="simple">yalchinrefendiev@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8810-7395</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гренобль</surname><given-names>Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Grenoble</surname><given-names>L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гренобль А. Ленора – Ph.D. (славянское языкознание), заслуженный профессор имени Джона Мэтьюза Мэнли</p><p>Чикаго</p><p>ResearcherID: H-5469-2017</p><p>Scopus Author ID: 6506649857</p><p>Elibrary AuthorID: 1258891</p><p>SPIN: 3405-6850</p></bio><bio xml:lang="en"><p>Lenore Grenoble – Ph.D. (Slavic Linguistics), John Matthews Manly Distinguished Service Professor</p><p>Chicago</p><p>Researcher ID: H-5469-2017</p><p>Scopus Author ID: 6506649857</p><p>Elibrary AuthorID: 1258891</p><p>SPIN: 3405-6850</p></bio><email xlink:type="simple">grenoble@uchicago.edu</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Халифский университет науки и технологий</institution><country>Объединенные Арабские Эмираты</country></aff><aff xml:lang="en"><institution>Khalifa University of Science and Technology</institution><country>United Arab Emirates</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Техасский университет A&amp;M</institution><country>Соединённые Штаты Америки</country></aff><aff xml:lang="en"><institution>Texas A&amp;M University</institution><country>United States</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Чикагский университет</institution><country>Соединённые Штаты Америки</country></aff><aff xml:lang="en"><institution>University of Chicago</institution><country>United States</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>6</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аммосов Д.А., Эфендиев Я., Гренобль Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Аммосов Д.А., Эфендиев Я., Гренобль Л.</copyright-holder><copyright-holder xml:lang="en">Ammosov D.A., Efendiev Y., Grenoble L.</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.arcticjournal.ru/jour/article/view/205">https://www.arcticjournal.ru/jour/article/view/205</self-uri><abstract><p>Сохранение исчезающих языков является широко обсуждаемой проблемой в настоящее время. Языки представляют собой важное культурное наследие и могут предоставить ценную ботаническую, биологическую и географическую информацию. Поэтому необходимо разработать эффективные меры по сохранению и возрождению исчезающих языков. Однако процесс смены языка сложен и требует междисциплинарного подхода, включая методы математического моделирования. В этой статье разрабатывается новая математическая модель, которая расширяет предыдущие работы по этой теме. Мы вводим фактор этнической идентичности, который является прокси для более сложной связи переменных, вовлеченных в самоидентификацию человека и/ или идентичность группы. Этот прокси социально сконструирован, а не только унаследован, сформирован факторами, определяемыми сообществом, при этом язык как индексирует, так и создает идентичность. В нашей модели мы делим говорящих на группы в зависимости от того, с каким языком они себя идентифицируют. Более того, каждая группа включает монолингвов и билингвов. Предлагаемая модель естественным образом позволяет нам рассматривать случаи сосуществования языков и описывать более широкий класс языковых ситуаций. Например, результаты моделирования показывают, что наша модель может привести к циклической языковой динамике, проводя параллель с моделями клеточной популяции. Таким образом, предлагаемая математическая модель может служить полезным инструментом для разработки эффективных мер по сохранению и возрождению языка.</p></abstract><trans-abstract xml:lang="en"><p>The preservation of endangered languages is a widely discussed issue nowadays. Languages represent essential cultural heritage and can provide valuable botanical, biological, and geographical information. Therefore, it is necessary to develop efficient measures to preserve and revitalize endangered languages. However, the language shift process is complex and requires an interdisciplinary approach, including mathematical modeling techniques. This paper develops a new mathematical model that extends previous works on this topic. We introduce the factor of ethnic identity, which is a proxy for a more complex nexus of variables involved in an individual’s self-identity and/or a group’s identity. This proxy is socially constructed rather than solely inherited, shaped by community-determined factors, with language both indexing and creating the identity. In our model, we divide speakers into groups depending on with which language they identify themselves with. Moreover, every group includes monolinguals and bilinguals. The proposed model naturally allows us to consider cases of language coexistence and describe a broader class of linguistic situations. For example, the simulation results show that our model can result in cyclic language dynamics, drawing a parallel to cell population models. In this way, the proposed mathematical model can serve as a useful tool for developing efficient measures for language preservation and revitalization.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>математическое моделирование</kwd><kwd>языковой сдвиг</kwd><kwd>языковая конкуренция</kwd><kwd>языковое сосуществование</kwd><kwd>исчезающие языки</kwd><kwd>возрождение языка</kwd><kwd>этническая идентичность</kwd><kwd>самоидентичность</kwd><kwd>групповая идентичность</kwd><kwd>циклическая динамика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mathematical modeling</kwd><kwd>language shift</kwd><kwd>language competition</kwd><kwd>language coexistence</kwd><kwd>endangered languages</kwd><kwd>language revitalization</kwd><kwd>ethnic identity</kwd><kwd>selfidentity</kwd><kwd>group identity</kwd><kwd>cyclic dynamics</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">Hale K. 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