8 Mathematical Analysis, Differential Equations & Applications
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Kyrgyz-Turkish Manas University Publication: 331 Conference Series: 46 M A D E A – 9 INTERNATIONAL CONFERENCE Mathematical Analysis, Differential Equations & Applications Kyrgyzstan–Turkey–Ukraine ABSTRACTS June 21–25, 2021 Bishkek, Kyrgyz Republic MATHEMATICAL ANALYSIS,DIFFERENTIAL EQUATION &APPLICATIONS - MADEA 9 KYRGYZ-TURKISH MANAS UNIVERSITY,BISHKEK,KYRGYZ REPUBLIC,JUNE 21-25, 2021 M 34 Mathematical Analysis, Differential Equations & Applications (MADEA-9) International Conference Abstracts – Bishkek: KTMU. 2021 – 88 p. ISBN 978-9967-9294-4-9 e-ISBN 978-9967-9294-5-6 The book contains the abstracts of the participants of the International scientific conference “Mathematical Analysis, Differential Equation & Applications MADEA–9”. The conference is organized by Kyrgyz-Turkish Manas University, Atatürk University, Mersin University, Institute of Mathematics of NAS of Ukraine and Taras Shevchenko National University of Kyiv at the Kyrgyz-Turkish Manas University in Bishkek, Kyrgyz Republic on June 21-25, 2021. This is the ninth international scientific MADEA conference devoted to the study of important problems of mathematical analysis, differential equations, their applications and related topics. • The first conference was held at National Juriy Fedkovich University of Chernivtsi (Cher- nivtsi, Ukraine) on August 26-30, 2003. • The second was held at Mersin University (Mersin, Turkey) on September 07-11, 2004. • The third was held at Uzhgorod National University (Uzhgorod, Ukraine) on September 18-23, 2006. • The fourth was held at Eastern Mediterranean University (Famagusta, North Cyprus) on September 12-15, 2008. • The fifth was held at Sunny Beach, Bulgaria on September 15-20, 2010. • The sixth was held at Mersin University (Mersin, Turkey) on September 04-09, 2012. • The seventh was held at Institute of Mathematics and Mechanics NAS of Azerbaijan (Baku, Azerbaijan) on September 08-13, 2015. • The eighth was held at the Kyrgyz-Turkish Manas University (Bishkek, Kyrgyz Republic) on June 17-23, 2018. “Matematiksel Analiz, Diferansiyel Denklemler ve Uygulamaları Sempozyumu Bildiri Özetleri”. Kırgızistan-Türkiye Manas Üniversitesi Yönetim Kurulu’nun 28.05.2021 tarih ve 2021-07.33 Nolu kararı ile basılmı¸stır. KTMÜ Cengiz AYTMATOV Kampüsü, Cal, Bi¸skek. ISBN 978-9967-9294-4-9 e-ISBN 978-9967-9294-5-6 2 Mathematical Analysis, Differential Equation & Applications - MADEA 9 Kyrgyz-Turkish Manas University, Bishkek, Kyrgyz Republic, June 21-25, 2021 Organizers and Partners: Kyrgyz-Turkish Manas University, Bishkek, Kyrgyz Republic Atatürk University, Erzurum, Turkey Mersin University, Mersin, Turkey Institute of Mathematics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine Taras Shevchenko National University of Kyiv, Kyiv, Ukraine Editors: Ceylan A., Abdullayev F. G., Kopuzlu A., Shevchuk I. O., Shidlich A. L. 3 MATHEMATICAL ANALYSIS,DIFFERENTIAL EQUATION &APPLICATIONS - MADEA 9 KYRGYZ-TURKISH MANAS UNIVERSITY,BISHKEK,KYRGYZ REPUBLIC,JUNE 21-25, 2021 Organizing Committee Honorary Chairmen: Prof. Dr. CEYLAN A. Rector of Kyrgyz-Turkish Manas University Prof. Dr. KULMYRZAYEV A. Co-Rector of Kyrgyz-Turkish Manas University Prof. Dr. ÇOMAKLI Ö. Rector of Atatürk University Prof. Dr. ÇAMSARI A. Rector of Mersin University Acad. Prof. Dr. SAMOILENKO A. M. Director of Institute of Mathematics of NAS of Ukraine Chairmen: ABDULLAYEV F.G. (Kyrgyz-Turkish Manas University, Kyrgyz Republic) KOPUZLU A. (Atatürk University, Turkey) Vise-Chairmen: CENGIZ N., (Head of Dep. of Mathematics of Atatürk University) KAMALI M. (Dep. of Mathematics of Kyrgyz-Turkish Manas University) ROMANYUK A.S. (Head of Dep. IM NAS of Ukraine) SHEVCHUK I.O. (Head of Dep. Taras Shevchenko National University of Kyiv, Ukraine) International Scientific Committee: Aasma A. (Estonia), Abbas M. (South Afrika), Amirov R. (Turkey), Andrievskii V.V. (USA), Aripov M. (Uzbekistan), Aslanov H. (Azerbaijan), Avkhadiev F. (Russia), Azamov A. (Uzbek- istan), Banakh T. (Ukraine), Bayraktar M. (Turkey), Bilalov B. (Azerbaijan), Blatt H.P. (Ger- many), Borubaev A. (Kyrgyz Republic), Buslaev V.(Russia), Celebi O. (Turkey), Chubarikov V.N. (Russia), Daulbaev M. (Kazakstan), Delgado J.M. (Spain), Deniz E. (Turkey), Farkov Y.A. (Rus- sian), Gauthier P. (Canada), Goginava U. (Georgia), Golberg A. (Israel), Guliyev V. (Azerbaijan), Ilolov M. (Tajikistan), Ismailov V. (Azerbaijan), Karakaya V. (Turkey), Karandjulov L. (Bulgaria), Kerimov N.B. (Azerbaijan), Kocinacˇ L. (Serbia), Kopotun K. (Canada), Kunyang W. (China), Leviatan D. (Israel), Mahmudov N. (North Cyprus), Mardanov M. (Azerbaijan), Marinets V.V. (Ukraine), Özdemir M. (Turkey), Petryshyn R.I. (Ukraine), Recke L. (Germany), Rontó A. (Czech Rep.), Ronto M. (Hungary), Shabozov M. (Tadjikistan), Shapiro M. (Mexico), Shoikhet D. (Is- rael), Skopina M. (Russia), Softova L. (Italy), Starovoytov A. (Belarus), ¸SerbetciA. (Turkey), Temirgaliyev N. (Kazakstan), Trofimchuk S.I. (Chile), Vuorinen M. (Finland), Zajaç J. (Poland). 4 Mathematical Analysis, Differential Equation & Applications - MADEA 9 Kyrgyz-Turkish Manas University, Bishkek, Kyrgyz Republic, June 21-25, 2021 International Organizing Committee: Antoniouk A. (Ukraine), Asanov A. (Kyrgyz Republic), Ayupov Sh. (Uzbekistan), Boichuk A.A. (Ukraine), Chekeev A. (Kyrgyz Republic), Çelik E. (Turkey), Deg¸er U. (Turkey), Iskandarov S. (Kyrgyz Republic), Kadıoglu E. (Turkey), Küçük A.(Turkey), Küçükaslan M. (Turkey), Orhan H. (Turkey), Makarov V.L. (Ukraine), Perestyuk M.O. (Ukraine), Re¸sidoglu˘ Kh. (Turkey), Sava¸sE. (Turkey), Savchuk V.V. (Ukraine), Serdyuk A.S. (Ukraine), Suba¸sıM. (Turkey), Shidlich A.L. (Ukraine), Stanzhitskii O.M. (Ukraine), ¸Sim¸sekD. (Turkey), Tunç T.(Turkey), Ya¸sarE. (Turkey). Local Organizing Committee Co-Chairmen of Local Organizing Committee: OMURALIYEV A., Head of Dep. of Appl. Math. & Infor. (Manas Univ.) URDALETOVA A., Head of Dep. of Math. (Manas Univ.). Local Organizing Committee: Abdyldayeva E., Adanbayeva N., Akmatbekova A., Atınta¸sI., Imashkyzy M., Ismailova R., Kara- sheva T., Matanova K., Muhametjanova G. Secretaries of Conference: Abylayeva E., Esengul kyzy P. 5 Contents Fahreddin Abdullayev. Bernstein-Walsh type inequalities for higher order deriva- tives of algebraic polynomials . 12 Fahreddin Abdullayev, Stanislav Chaichenko, Andrii Shidlich. Jackson type inequalities in the Musielak-Orlicz type spaces . 13 Fahreddin Abdullayev, Viktor Savchuk. Fejér-type positive operator based on Takenaka–Malmquist system on unit circle . 14 Elmira Abdyldaeva. On solvability of the synthesis problem of optimal control of systems with distributed parameters . 15 Elena Afanas’eva. Absolute continuity of quasisymmetric mappings in metric spaces . 16 Azat Akmatbekova, Gulshat Muhametjanova. Organization of virtual labora- tory work of students in physics in the distance learning system . 17 Merve Aktay, Murat Özdemir. On f− weak Pata contractions in metric spaces . 17 Mahabat Amanalieva. Forecasting the development of tourist regional infrastruc- tures . 18 Ruhul Amin, Sahadat Hossain. New concepts of R1 separation in fuzzy bitopo- logical spaces in quasi-coincidence sense . 18 Avyt Asanov, Kalyskan Matanova. Approximate solution of the system of Volterra- Stieltjes linear integral equations of the second kind with the generalized trapezoid rule . 19 Ismet˙ Altınta¸s,Arzıgul Imankulova.˙ On elementary soft compact spaces . 20 Ismet˙ Altınta¸s,Hatice Parlatıcı. An invariant of regular isotopy for disoriented diagrams . 20 Alexandr Belyaev. Poincaré method in KAM-theory . 21 Bilal Bilalov. On the Fredholmness of the Dirichlet problem for a second-order elliptic equation in grand-Sobolev spaces . 22 Viktoriia Bilet, Oleksiy Dovgoshey. Metric spaces with finite asymptotic clusters of pretangent spaces . 23 Hans-Peter Blatt. Maximal convergence and interpolation on unconnected sets . 24 Oleksandr Boichuk, Oleksandr Pokutnyi, Viktor Feruk, Dmytro Bihun. Min- imizing of the functionals on Hopfield networks . 24 Belkacem Chaouchi, Lakhdar Benaissa. An abstract approach for the study of a boundary value problem for the biharmonic equation set in a iingular domain 25 Asylbek Chekeev. On new results in category of uniform spaces . 26 Asylbek Chekeev, Azim Abdiev. Realcompactifications of A-spaces . 26 Asylbek Chekeev, Tumar Kasymova. On Dieudonne t-completeness of a space of compact subsets . 27 7 MATHEMATICAL ANALYSIS,DIFFERENTIAL EQUATION &APPLICATIONS - MADEA 9 KYRGYZ-TURKISH MANAS UNIVERSITY,BISHKEK,KYRGYZ REPUBLIC,JUNE 21-25, 2021 Asylbek Chekeev, Ainaz Kasymova, Elnura Zhusupbekova. On m-reflective uniform spaces and their embeddings in topological groups . 28 Md. Lalin Chowdhury, Ruhul Amin. New notion in R1 supra fuzzy topological space . 29 Sergii Chuiko, Maryna Dziuba. Boundary value problem for a system of matrix differential-algebraic equations with pulse perturbation . 29 Sergii Chuiko, Yaroslav Kalinichenko. Linear Noetherian boundary-value prob- lem for a system of linear difference-algebraic equations . 30 Sergii Chuiko, Vlada Kuzmina. Boundary-value problems for systems of integral- differential equations of Fredholm type . 31 Sergii Chuiko, Olga Nesmelova. Nonlinear boundary-value problems for degen- erate differential-algebraic systems . 32 Feng Dai. Entropy numbers and Marcinkiewicz-type discretization . 33 Roman Dmytryshyn. Approximation of function of several variables by multidi- mensional A-fractions with independent variables . 34 Tzanko Donchev, Alina Lazu. Nonlinear evolution inclusions with time lag . 34 Olgun Durmaz, Bu¸sraAkta¸s,Halit