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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">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2017-5-537-549</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-579</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>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Устойчивость решений дискретных краевых задач для уравнения двумерной фильтрации</article-title><trans-title-group xml:lang="en"><trans-title>Stability of the Solutions of the Simplest Space-Distributed Discrete Equations</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8777-4302</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кащенко</surname><given-names>Сергей Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Kashchenko</surname><given-names>Sergey A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физико-математических наук, профессор</p></bio><bio xml:lang="en"><p>doctor of science, professor</p></bio><email xlink:type="simple">kasch@uniyar.ac.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П.Г. Демидова;&#13;
Национальный исследовательский ядерный университет «МИФИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.G. Demidov Yaroslavl State University;&#13;
National Research Nuclear University MEPhI</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2017</year></pub-date><volume>24</volume><issue>5</issue><fpage>537</fpage><lpage>549</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кащенко С.А., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Кащенко С.А.</copyright-holder><copyright-holder xml:lang="en">Kashchenko S.A.</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.mais-journal.ru/jour/article/view/579">https://www.mais-journal.ru/jour/article/view/579</self-uri><abstract><p>Исследуется устойчивость решений линейных уравнений, возникающих в теории двумерной цифровой фильтрации. Анализируются различные постановки начальной задачи. В качестве основных результатов для каждой из них получен соответствующий критерий устойчивости в терминах корней характеристического уравнения. Для краевых условий типа Дирихле, Неймана или для периодических краевых условий обоснован переход к системе линейных уравнений первого порядка в конечномерном пространстве. Кроме этого, рассмотрены краевые условия, определяющие поведение решений на «бесконечности». Здесь речь идет об анализе линейных бесконечномерных систем.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>The stability of the solutions of the linear equations arising in the theory of twodimensional digital filtration is studied. The different statements of the initial value problem are analysed. As the basic results, the corresponding stability criterion is obtained for each of them.</p><p> </p></trans-abstract><kwd-group xml:lang="ru"><kwd>дискретные уравнения</kwd><kwd>устойчивость</kwd><kwd>краевые задачи</kwd><kwd>спектральное множество</kwd></kwd-group><kwd-group xml:lang="en"><kwd>discrete equations</kwd><kwd>stability</kwd><kwd>boundary value problems</kwd><kwd>spectral set</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">Chang T., “Limit cycles in a two-dimensional first-order digital filter”, IEEE Trans. Ckts. and Syst., CAS-24 (1977), 15–19.</mixed-citation><mixed-citation xml:lang="en">Chang T., “Limit cycles in a two-dimensional first-order digital filter”, IEEE Trans. Ckts. and Syst., CAS-24 (1977), 15–19.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">El-Agizi N. 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