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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</issn><publisher><publisher-name xml:lang="en">Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">8476</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">A Nonparametric Stochastic Dynamics Model of Interest Rates</article-title><trans-title-group xml:lang="ru"><trans-title>Непараметрическая модель стохастической динамики процентных ставок</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lapshin</surname><given-names>V A</given-names></name><name xml:lang="ru"><surname>Лапшин</surname><given-names>В А</given-names></name></name-alternatives><bio xml:lang="en">Экономический факультет; Государственный университет - Высшая школа экономики; State University - Higher School of Economics</bio><bio xml:lang="ru">Экономический факультет; Государственный университет - Высшая школа экономики</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">State University - Higher School of Economics</institution></aff><aff><institution xml:lang="ru">Государственный университет - Высшая школа экономики</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2009-04-15" publication-format="electronic"><day>15</day><month>04</month><year>2009</year></pub-date><issue>4</issue><issue-title xml:lang="en">NO4 (2009)</issue-title><issue-title xml:lang="ru">№4 (2009)</issue-title><fpage>25</fpage><lpage>37</lpage><history><date date-type="received" iso-8601-date="2016-09-08"><day>08</day><month>09</month><year>2016</year></date></history><permissions><copyright-statement xml:lang="ru">Copyright ©; 2009, Лапшин В.А.</copyright-statement><copyright-year>2009</copyright-year><copyright-holder xml:lang="ru">Лапшин В.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/miph/article/view/8476">https://journals.rudn.ru/miph/article/view/8476</self-uri><abstract xml:lang="en">We propose a new arbitrage-free nonparametric stochastic dynamics model of interest rates within the Heath-Jarrow-Morton framework using infinite dimensional stochastic calculus. The model yields strictly positive spot forward rates, allows for observation errors and has a straightforward algorithmic implementation.</abstract><trans-abstract xml:lang="ru">В работе предлагается новая непараметрическая модель стохастической динамики процентных ставок, основанная на подходе Heath-Jarrow-Morton и описываемая стохастическим дифференциальным уравнением в функциональном пространстве. Модель не допускает арбитражных возможностей, обеспечивает положительность мгновенных форвардных процентных ставок, учитывает ошибки наблюдений и имеет несложную вычислительную реализацию.</trans-abstract><kwd-group xml:lang="en"><kwd>HJM model</kwd><kwd>Sobolev space</kwd><kwd>SDEs in Hilbert spaces</kwd><kwd>mild solution</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>модель HJM</kwd><kwd>пространство Соболева</kwd><kwd>стохастические дифференциальные уравнения в гильбертовых пространствах</kwd><kwd>мягкое решение</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Балабушкин А., Гамбаров Г., Шевчук И. Оценка срочной структуры процентных ставок // Рынок ценных бумаг. - 2004. - С. 44-52.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Chapman D., Pearson N. 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