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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="research-article" 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">8603</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>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Quantum Field Theory Approach to the Analysis of One-Step Models</article-title><trans-title-group xml:lang="ru"><trans-title>Квантово-полевой подход к анализу одношаговых моделей</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Eferina</surname><given-names>E G</given-names></name><name xml:lang="ru"><surname>Еферина</surname><given-names>Екатерина Геннадьевна</given-names></name></name-alternatives><bio xml:lang="en">Department of Applied Probability and Informatics</bio><bio xml:lang="ru">Кафедра прикладной информатики и теории вероятностей</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korolkova</surname><given-names>A V</given-names></name><name xml:lang="ru"><surname>Королькова</surname><given-names>Анна Владиславовна</given-names></name></name-alternatives><bio xml:lang="en">Department of Applied Probability and Informatics</bio><bio xml:lang="ru">Кафедра прикладной информатики и теории вероятностей</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kulyabov</surname><given-names>D S</given-names></name><name xml:lang="ru"><surname>Кулябов</surname><given-names>Дмитрий Сергеевич</given-names></name></name-alternatives><bio xml:lang="en">Department of Applied Probability and Informatics; Laboratory of Information Technologies Joint Institute for Nuclear Research Joliot-Curie, 6, Dubna, Moscow region, Russia, 141980</bio><bio xml:lang="ru">Кафедра прикладной информатики и теории вероятностей; Лаборатория информационных технологий Объединённый институт ядерных исследований ул. Жолио-Кюри, д. 6, г. Дубна, Московская область, Россия, 141980</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sevastyanov</surname><given-names>L A</given-names></name><name xml:lang="ru"><surname>Севастьянов</surname><given-names>Леонид Антонович</given-names></name></name-alternatives><bio xml:lang="en">Department of Applied Probability and Informatics; Bogoliubov Laboratory of Theoretical Physics Joint Institute for Nuclear Research Joliot-Curie, 6, Dubna, Moscow region, Russia, 141980</bio><bio xml:lang="ru">Кафедра прикладной информатики и теории вероятностей; Лаборатория теоретической физики Объединённый институт ядерных исследований ул. Жолио-Кюри, д. 6, г. Дубна, Московская область, Россия, 141980</bio><email>-</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2015-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2015</year></pub-date><issue>3</issue><issue-title xml:lang="en">NO3 (2015)</issue-title><issue-title xml:lang="ru">№3 (2015)</issue-title><fpage>30</fpage><lpage>40</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 ©; 2015, Еферина Е.Г., Королькова А.В., Кулябов Д.С., Севастьянов Л.А.</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Еферина Е.Г., Королькова А.В., Кулябов Д.С., Севастьянов Л.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/8603">https://journals.rudn.ru/miph/article/view/8603</self-uri><abstract xml:lang="en">During development of methods for stochastization of one-step processes the attention was focused on obtaining the stochastic equations in the form of the Langevin, since this form of stochastic equations is most usual in the construction and study of one-step processes models. When applying the method there is the problem of justifying the transition from master equation to the Fokker-Planck equation for the diﬀerent versions of the model. However, the forms of partial diﬀerential equations (master equation and the Fokker-Planck equation) wider description of the model to researchers. It is proposed to treat these equations with the help of perturbation theory in the framework of quantum ﬁeld theory. For this purpose the methodology was described and the analytical software complex was constructed to write down put the main kinetic equation in the operator form in the Fock representation. To solve the resulting equation the software complex generates Feynman diagrams for the corresponding order of perturbation theory. The FORM system was applied as a system of symbolic computation. Selecting FORM as the CAS is reasonable because that the given computer algebra system allows for symbolic computation, using the resources of high-performance computing. In particular, it is possible to use parallel computing technologies such as OpenMP and MPI.</abstract><trans-abstract xml:lang="ru">При разработке методики стохастизации одношаговых процессов основное внимание было уделено получению стохастических уравнений в форме Ланжевена, поскольку данный вид наиболее привычен при построении и исследовании данного круга моделей. Но в ходе применения метода возникает проблема обоснования перехода от основного кинетического уравнения к уравнению Фоккера-Планка для разных вариантов модели. При этом формы уравнений в частных производных (основное кинетическое уравнение и уравнение Фоккера-Планка) могут предоставить исследователю более богатое описание модели. Для обоснования возможности разложения основного кинетического уравнения и для исследования модельных уравнений предлагается использовать теорию возмущений в форме, реализованной в рамках квантовой теории поля. Для этого описана методика и создан аналитический программный комплекс приведения основного кинетического уравнения к операторной форме в фоковском представлении. Для решения получившегося уравнения в рамках программного комплекса проводится генерация фейнмановских диаграмм для соответствующего порядка теории возмущений. В качестве системы символьных вычислений была применена система FORM. Выбор FORM обоснован тем, что данная система компьютерной алгебры позволяет проводить символьные вычисления, используя ресурсы высокопроизводительной вычислительной техники. В частности, возможно использовать такие технологии параллельных вычислений, как OpenMP и MPI.</trans-abstract><kwd-group xml:lang="en"><kwd>algebraic biology</kwd><kwd>master equation</kwd><kwd>Fokker-Planck equation</kwd><kwd>population models</kwd><kwd>computer algebra software</kwd><kwd>FORM system</kwd><kwd>stochastic differential equations</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>символьные методы в биологии</kwd><kwd>основное кинетическое уравнения</kwd><kwd>уравнение Фоккера-Планка</kwd><kwd>популяционные модели</kwd><kwd>системы компьютерной алгебры</kwd><kwd>система FORM</kwd><kwd>стохастические дифференциальные уравнения</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Penrose R., Rindler W. Spinors and Space-Time: Volume 1, Two-Spinor Calculus and Relativistic Fields. Cambridge University Press, 1987. Vol. 1. ISBN 0521337070, P. 478.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Landau L.D., Lifshitz E.M. Quantum Mechanics: Non-Relativistic Theory. 3rd ed. edition. Pergamon Press, 1977. Vol. 3. ISBN 978-0-08-020940-1.</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>van Kampen N.G. Stochastic Processes in Physics and Chemistry. North-Holland Personal Library. Elsevier Science, 2011. ISBN 9780080475363.</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Gardiner C.W. Handbook of Stochastic Methods: for Physics, Chemistry and the Natural Sciences. Springer Series in Synergetics, 1985.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Oksendal B.K. Stochastic Differential Equations: An Introduction with Applications. Berlin: Springer, 2003.</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>The Method of Stochastization of One-Step Processes / A.V. Demidova, A.V. Korolkova, D.S. Kulyabov, L.A. Sevastianov // Mathematical Modeling and Computational Physics. Dubna: JINR, 2013. P. 67.</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>The Method of Constructing Models of Peer to Peer Protocols / A.V. Demidova, A.V. Korolkova, D.S. Kulyabov, L.A. Sevastyanov // 6th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT). IEEE, 2014. Pp. 557-562.</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Birch D.A., Young W.R. A Master Equation for a Spatial Population Model with Pair Interactions // Theoretical Population Biology. 2006. Vol. 70, No 1. Pp. 26-42. ISSN 00405809.</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Verhulst P.F. Notice sur la loi que la population suit dans son accroissement. 1838. Vol. 10, Pp. 113-117.</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Feller W. Die Grundlagen der Volterraschen Theorie des Kampfes ums Dasein in wahrscheinlichkeits theoretischer Behandlung // Acta Biotheoretica. 1939. Bd. 5, No. 1. Ss. 11-40. ISSN 0001-5342.</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Feller W. On the Theory of Stochastic Processes, with Particular Reference to Applications // Proceedings of the [First] Berkeley Symposium on.. 1949. Pp. 403-432.</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Hnatich M., Honkonen J. Velocity-Fluctuation-Induced Anomalous Kinetics of the.+. &gt; Reaction // Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 2000. Vol. 61, No 4 Pt A. Pp. 3904-3911. ISSN 1063-651X.</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Hnatich M., Honkonen J., Lucivjansky T. Field Theory Approach in Kinetic Reaction: Role of Random Sources and Sinks. 2011. Pp. 1-14.</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Hnatic M., Honkonen J., Lucivjansky T. Field-Theoretic Technique for Irreversible Reaction Processes // Physics of Particles and Nuclei. 2013. Vol. 44, No 2. Pp. 316-348. ISSN 1063-7796.</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Doi M. Second Quantization Representation for Classical Many-Particle System // Journal of Physics A: Mathematical and General. 1976. Vol. 9, No 9. Pp. 1465-1477. ISSN 0305-4470.</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Doi M. Stochastic Theory of Diffusion-Controlled Reaction // Journal of Physics A: Mathematical and General. 1976. Vol. 9, No 9. Pp. 1479-1495. ISSN 0305-4470.</mixed-citation></ref><ref id="B17"><label>17.</label><mixed-citation>Dodd P.J., Ferguson N.M. A Many-Body Field Theory Approach to Stochastic Models in Population Biology // PloS one. 2009. Vol. 4, No 9. P. e6855. ISSN 1932-6203.</mixed-citation></ref><ref id="B18"><label>18.</label><mixed-citation>Tung M.M. FORM Matters: Fast Symbolic Computation Under UNIX // Computers and Mathematics with Applications. 2005. Vol. 49. Pp. 1127- 1137. ISSN 08981221.</mixed-citation></ref><ref id="B19"><label>19.</label><mixed-citation>Vermaseren J.A.M., Kuipers J., Tentyukov M. et al. FORM Version 4.1 Reference Manual. 2013.</mixed-citation></ref><ref id="B20"><label>20.</label><mixed-citation>Heck A.J.P., Vermaseren J.A.M. FORM for Pedestrians. 2000.</mixed-citation></ref><ref id="B21"><label>21.</label><mixed-citation>Fliegner D., Retey A., Vermaseren J.a.M. Parallelizing the Symbolic Manipulation Program FORM. 1999.</mixed-citation></ref><ref id="B22"><label>22.</label><mixed-citation>Tentyukov M., Vermaseren J.A.M. Extension of the Functionality of the Symbolic Program FORM by External Software // Computer Physics Communications. 2007. Vol. 176, No 6. Pp. 385-405. ISSN 00104655.</mixed-citation></ref><ref id="B23"><label>23.</label><mixed-citation>Boos E., Dubinin M. Problems of Automatic Calculation for Collider Physics // Physics-Uspekhi. 2010. Vol. 53, No 10. Pp. 1039-1051. ISSN 00421294.</mixed-citation></ref><ref id="B24"><label>24.</label><mixed-citation>Bunichev V., Kryukov A., Vologdin A. Using FORM for Symbolic Evaluation of Feynman Diagrams in CompHEP Package // Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2003. Vol. 502. Pp. 564-566. ISSN 01689002.</mixed-citation></ref><ref id="B25"><label>25.</label><mixed-citation>Hahn T. Generating and Calculating One-loop Feynman Diagrams with FeynArts, FormCalc, and LoopTools. 1999. P. 5.</mixed-citation></ref><ref id="B26"><label>26.</label><mixed-citation>Hahn T. Automatic Loop Calculations with FeynArts, FormCalc, and LoopTools: Techrep / Institut f.ur Theoretische Physik, Universit.at Karlsruhe D-76128 Karlsruhe, Germany. 2000.</mixed-citation></ref><ref id="B27"><label>27.</label><mixed-citation>Hahn T., Lang P. FeynEdit - a Tool for Drawing Feynman Diagrams. 2007. Pp. 1-9.</mixed-citation></ref><ref id="B28"><label>28.</label><mixed-citation>Xiao B., Wang H., Zhu S.H. A Simple Algorithm for Automatic Feynman Diagram Generation // Computer Physics Communications. 2013. Vol. 184, No 8. Pp. 1966-1972. ISSN 00104655.</mixed-citation></ref><ref id="B29"><label>29.</label><mixed-citation>One-Step Stochastic Processes Simulation Software Package / E.G. Eferina, A.V. Korolkova, M.N. Gevorkyan et al. // Bulletin of Peoples’ Friendship University of Russia. Series “Mathematics. Information Sciences. Physics”. 2014. No 3. Pp. 46-59.</mixed-citation></ref><ref id="B30"><label>30.</label><mixed-citation>Velieva T.R., Korolkova A.V., Kulyabov D.S. Designing Installations for Verification of the Model of Active Queue Management Discipline RED in the GNS3 // 6th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT). IEEE, 2014. Pp. 570-577.</mixed-citation></ref><ref id="B31"><label>31.</label><mixed-citation>Penco R., Mauro D. Perturbation Theory Via Feynman Diagrams in Classical Mechanics // European Journal of Physics. 2006. Vol. 27. Pp. 1241-1249. ISSN 0143-0807.</mixed-citation></ref><ref id="B32"><label>32.</label><mixed-citation>Feynman R.P. An Operator Calculus Having Applications in Quantum Electrodynamics. 1951.</mixed-citation></ref><ref id="B33"><label>33.</label><mixed-citation>Kaiser D. Physics and Feynman’s Diagrams // American Scientist. 2005. Vol. 93. Pp. 156-165. ISSN 00030996.</mixed-citation></ref></ref-list></back></article>
