<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<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="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Contemporary Mathematics. Fundamental Directions</journal-id><journal-title-group><journal-title xml:lang="en">Contemporary Mathematics. Fundamental Directions</journal-title><trans-title-group xml:lang="ru"><trans-title>Современная математика. Фундаментальные направления</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2413-3639</issn><issn publication-format="electronic">2949-0618</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">22400</article-id><article-id pub-id-type="doi">10.22363/2413-3639-2017-63-4-557-572</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>New Results</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Новые результаты</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Existence of Weak Solution of the Aggregation Integro-Diﬀerential Equation</article-title><trans-title-group xml:lang="ru"><trans-title>Существование слабого решения интегро-дифференциального уравнения агрегации</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vildanova</surname><given-names>V F</given-names></name><name xml:lang="ru"><surname>Вильданова</surname><given-names>В Ф</given-names></name></name-alternatives><email>gilvenera@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mukminov</surname><given-names>F Kh</given-names></name><name xml:lang="ru"><surname>Мукминов</surname><given-names>Ф Х</given-names></name></name-alternatives><email>mfkh@rambler.ru</email><xref ref-type="aff" rid="aff2"/><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Bashkir State Pedagogical University</institution></aff><aff><institution xml:lang="ru">Башкирский государственный педагогический университет им. М. Акмуллы</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Institute of Mathematics with Computer Center of the RAS</institution></aff><aff><institution xml:lang="ru">Институт математики c ВЦ УНЦ РАН</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Ufa State Aviation Technical University</institution></aff><aff><institution xml:lang="ru">Уфимский государственный авиационный технический университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2017</year></pub-date><volume>63</volume><issue>4</issue><issue-title xml:lang="en">Diﬀerential and Functional Diﬀerential Equations</issue-title><issue-title xml:lang="ru">Дифференциальные и функционально-дифференциальные уравнения</issue-title><fpage>557</fpage><lpage>572</lpage><history><date date-type="received" iso-8601-date="2019-12-06"><day>06</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Contemporary Mathematics. Fundamental Directions</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Современная математика. Фундаментальные направления</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Contemporary Mathematics. Fundamental Directions</copyright-holder><copyright-holder xml:lang="ru">Современная математика. Фундаментальные направления</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://journals.rudn.ru/CMFD/article/view/22400">https://journals.rudn.ru/CMFD/article/view/22400</self-uri><abstract xml:lang="en">In this work, we investigate the mixed problem for anisotropic integro-diﬀerential equation with variable nonlinearity indices. Using the discretization method with respect to time, we prove the existence of a weak solution in a bounded cylinder. We give an estimate of the lifetime of the solition.</abstract><trans-abstract xml:lang="ru">Работа посвящена изучению смешанной задачи для анизотропного интегро-дифференциального уравнения с переменными показателями нелинейности. Методом дискретизации по времени доказано существование слабого решения в ограниченном цилиндре. Дана оценка времени существования решения.</trans-abstract></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Алхутов Ю. А., Жиков В. В. Теоремы существования и единственности решений параболических уравнений с переменным порядком нелинейности// Мат. сб. - 2014. - 205, № 3. - С. 3-14.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Беляков А. О., Давыдов А. А. Оптимизация эффективности циклического использования возобновляемого ресурса// Тр. ИММ УрО РАН. - 2016. - 22, № 2. - С. 38-46.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Данфорд Н., Шварц Дж. Т. Линейные операторы. Общая теория. - М.: ИЛ, 1962.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Кружков С. Н. Квазилинейные уравнения первого порядка со многими независимыми переменными// Мат. сб. - 1970. - 81(123), № 2. - С. 228-255.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Лионс Ж.-Л., Мадженес Э. Неоднородные граничные задачи и их приложения. - М.: Мир, 1971.</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Мукминов Ф. Х. Единственность ренормализованного решения эллиптико-параболической задачи в анизотропных пространствах Соболева-Орлича// Мат. сб. - 2017. - 208, № 8. - С. 1187-1206.</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Соболев С. Л. Некоторые применения функционального анализа в математической физике. - М.: Наука, 1988.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Alt H. W., Luckhaus S. Quasilinear elliptic-parabolic diﬀerential equations// Math. Z. - 1983. - 183.- С. 311-341.</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Bertozzi A., Slepcev D. Existence and uniqueness of solutions to an aggregation equation with degenerate diﬀusion// Commun. Pur. Appl. Anal. - 2010. - 9, № 6. - С. 1617-1637.</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Blanchet A., Carrillo J. A., Laurencot P. Critical mass for a Patlak-Keller-Segel model with degenerate diﬀusion in higher dimensions// Calc. Var. - 2009. - 35. - С. 133-168.</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Boi S., Capasso V., Morale D. Modeling the aggregative behavior of ants of the species Polyergus rufescens// Nonlinear Anal. Real World Appl. - 2000. - 1. - С. 163-176.</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Burger M., Fetecau R. C., Huang Y. Stationary states and asymptotic behaviour of aggregation models with nonlinear local repulsion// SIAM J. Appl. Dyn. Syst. - 2014. - 13, № 1. - С. 397-424.</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Carrillo J. A., Hittmeir S., Volzone B., Yao Y. Nonlinear aggregation-diﬀusion equations: radial symmetry and long time asymptotics// arxiv:1603.07767v1[math.ap]. - 2016.</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Carrillo J., Wittbold P. Uniqueness of renormalized solutions of degenerate elliptic-parabolic problems// J. Diﬀer. Equ. - 1999. - 156. - С. 93-121.</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Eftimie R., Vries G., Lewis M. A., Lutscher F. Modeling group formation and activity patterns in selforganizing collectives of individuals// Bull. Math. Biol. - 2007. - 146, № 69. - С. 1537-1565.</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Fan X. Anisotropic variable exponent Sobolev spaces and p(x)-Laplacian equations// Complex Var. Elliptic Equ. - 2011. - 56, № 7-9. - С. 623-642.</mixed-citation></ref><ref id="B17"><label>17.</label><mixed-citation>Milewski P. A., Yang X. A simple model for biological aggregation with asymmetric sensing// Commun. Math. Sci. - 2008. - 6. - С. 397-416.</mixed-citation></ref><ref id="B18"><label>18.</label><mixed-citation>Morale D., Capasso V., Oelschlager K. An interacting particle system modelling aggregation behavior: from individuals to populations// J. Math. Biol. - 2005. - 50. - С. 49-66.</mixed-citation></ref><ref id="B19"><label>19.</label><mixed-citation>Otto F. L1-contraction and uniqueness for quasilinear elliptic-parabolic equations// J. Diﬀer. Equ. - 1996. - 131. - С. 20-38.</mixed-citation></ref><ref id="B20"><label>20.</label><mixed-citation>Topaz C. M., Bertozzi A. L. Swarming patterns in a two-dimensional kinematic model for biological groups// SIAM J. Appl. Math. - 2004. - 65. - С. 152-174.</mixed-citation></ref><ref id="B21"><label>21.</label><mixed-citation>Topaz C. M., Bertozzi A. L., Lewis M. A. A nonlocal continuum model for biological aggregation// Bull. Math. Biol. - 2006. - 68. - С. 1601-1623.</mixed-citation></ref></ref-list></back></article>
