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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-2430-2022-58-4-370-380</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-686</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICS</subject></subj-group></article-categories><title-group><article-title>Компактные разностные схемы для многомерного гиперболо-параболического уравнения</article-title><trans-title-group xml:lang="en"><trans-title>Compact difference schemes for the multidimensional hyperbolic-parabolic equation</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>Ань</surname><given-names>Хоанг Тхи Киеу</given-names></name><name name-style="western" xml:lang="en"><surname>Anh</surname><given-names>Hoang Thi Kieu</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хоанг Тхи Киеу Ань – аспирант, БГУ; Университет природных ресурсов и окружающей среды г. Хошимина.</p><p>пр. Независимости, 4, 220030, Минск; ул. Лэванши, 236Б, 72107, Хошимин</p></bio><bio xml:lang="en"><p>Hoang Thi Kieu Anh – Postgraduate Student, Belarusian State University; Ho Chi Minh University of Natural Resources and Environment.</p><p>4, Nezavisimosti Ave., 220030, Minsk; Le Van Sy Str., 236B, 72107, Ho Chi Minh city</p></bio><email xlink:type="simple">kieuanhhoang86@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет; Университет природных ресурсов и окружающей среды г. Хошимина</institution></aff><aff xml:lang="en"><institution>Belarusian State University; Ho Chi Minh City University of Natural Resources and Environment</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>01</day><month>01</month><year>2023</year></pub-date><volume>58</volume><issue>4</issue><fpage>370</fpage><lpage>380</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ань Х.Т., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ань Х.Т.</copyright-holder><copyright-holder xml:lang="en">Anh H.T.</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://vestifm.belnauka.by/jour/article/view/686">https://vestifm.belnauka.by/jour/article/view/686</self-uri><abstract><p>Для многомерного гиперболо-параболического уравнения с постоянными коэффициентами изучены устойчивые компактные разностные схемы с весами четвертого порядка аппроксимации. Получены априорные оценки устойчивости и сходимости разностного решения в сильных сеточных нормах. Приведенные тестовые численные расчеты согласуются с теоретическими выводами.</p></abstract><trans-abstract xml:lang="en"><p>In this paper, we consider the stable compact difference schemes of 4 + 4 approximation order for the multidimensional hyperbolic-parabolic equation with constant coefficients. A priori estimates for the stability and convergence of the difference solution in strong mesh norms are obtained. The theoretical results are confirmed by test numerical calculations.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>компактная разностная схема</kwd><kwd>многомерное гиперболо-параболическое уравнение</kwd><kwd>априорные оценки</kwd><kwd>устойчивость</kwd><kwd>сходимость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>compact difference schemes</kwd><kwd>multidimentional hyperbolic-parabolic equation</kwd><kwd>priori estimates</kwd><kwd>stability</kwd><kwd>convergence</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Автор выражает благодарность члену-корреспонденту НАН Беларуси, доктору физико-математических наук, профессору П.П. Матусу за внимание к работе и полезные советы, полученные при ее подготовке.</funding-statement><funding-statement xml:lang="en">The author expresses her sincere gratitude to Professor, Doctor of Physics and Mathematics P.P. Matus (Correspondent Member of the National Academy of Sciences of Belarus) for help, advice, and recommendations received during the preparation of this work.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Тихонов, А. Н. Уравнения математической физики / А. Н. Тихонов, А. А. Самарский. – М.: Наука, 1966. – 724 с.</mixed-citation><mixed-citation xml:lang="en">Tikhonov A. N., Samarskii A. A. Equations of Mathematical Physics. New York, Dover Publ. Inc., 1990. 765 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Straughan, B. Heat Waves / B. Straughan. – New York: Springer, 2011. – 318 p. https://doi.org/10.1007/978-1-4614-0493-4</mixed-citation><mixed-citation xml:lang="en">Straughan B. Heat Waves. 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