Edit Profile (opens in new tab) Ullah, Saif Co-Author Distance Author ID: ullah.saif Published as: Ullah, Saif Documents Indexed: 33 Publications since 2014, including 1 Additional arXiv Preprint Co-Authors: 51 Co-Authors with 29 Joint Publications 2,366 Co-Co-Authors all top 5 Co-Authors 0 single-authored 19 Khan, Muhammad Altaf 10 Farooq, Muhammad Umar 3 Farhan, Muhammad 3 Shah, Syed Azhar Ali 2 Alzahrani, Ebraheem O. 2 Chu, Yuming 2 Fatmawati, Fatmawati 2 Gómez-Aguilar, José Francisco 2 Gul, Taza 2 Okosun, Kazeem Oare 1 Al-Hossain, Abdullah Y. 1 Alam Khan, Najeeb 1 Ali, Aatif 1 Ali, Muzaher 1 Alrabaiah, Hussam 1 Alshaheri, Ahmed 1 Altanji, Mohamed 1 Azizah, Muftiyatul 1 Badshah, Noor 1 Bajwa, Sana 1 Băleanu, Dumitru I. 1 Bashir, Neelam 1 Buhader, Anum Aish 1 Butt, Azhar Iqbal Kashif 1 Ghaffar, Fazal 1 Hammouch, Zakia 1 Han, Yajuan 1 Hussain, Fawad 1 Islam, Saeed 1 Ismail, Muhammad Faizal 1 Jan, Rashid 1 Khan, Muhammad Farooq 1 Khan, Mursala 1 Khan, Yasir 1 Mamat, Mustafa Bin 1 Manzoor, Humera 1 Muhammad, Shah 1 Munir, Taj 1 Oud, Mohammed A. Aba 1 Peng, Yunfang 1 Rahman, W. U. 1 Salhi, Abdellah 1 Shah, Kamil 1 Shah, Nehad Ali 1 Shah, Syed Wasim 1 Sultan, Faisal 1 Sumelka, Wojciech 1 Tanveer, Muhammad 1 Tlili, Iskander 1 Tuzzahrah, Ghulam Fatima 1 Ullah, Sajjad 1 Windarto 1 Xiao, Yuyan all top 5 Serials 4 Mathematical Methods in the Applied Sciences 3 Chaos, Solitons and Fractals 3 Discrete and Continuous Dynamical Systems. Series S 3 AIMS Mathematics 2 Hacettepe Journal of Mathematics and Statistics 2 Advances in Difference Equations 1 Physica A 1 Applied Mathematics and Computation 1 Kybernetika 1 Mathematics and Computers in Simulation 1 Ricerche di Matematica 1 Optimal Control Applications & Methods 1 Fractals 1 Journal of Biological Systems 1 Nonlinear Analysis. Real World Applications 1 Algebra and Discrete Mathematics 1 International Journal of Geometric Methods in Modern Physics 1 Mathematical Biosciences and Engineering 1 Applied and Computational Mathematics 1 International Journal of Computing Science and Mathematics all top 5 Fields 17 Biology and other natural sciences (92-XX) 16 Ordinary differential equations (34-XX) 7 Real functions (26-XX) 3 Dynamical systems and ergodic theory (37-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Numerical analysis (65-XX) 3 Fluid mechanics (76-XX) 2 Partial differential equations (35-XX) 2 Classical thermodynamics, heat transfer (80-XX) 2 Systems theory; control (93-XX) 1 Group theory and generalizations (20-XX) 1 Integral transforms, operational calculus (44-XX) 1 Integral equations (45-XX) 1 Operator theory (47-XX) 1 Statistics (62-XX) 1 Mechanics of particles and systems (70-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Relativity and gravitational theory (83-XX) 1 Operations research, mathematical programming (90-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 29 Publications have been cited 372 times in 263 Documents Cited by ▼ Year ▼ A fractional model for the dynamics of TB virus. Zbl 1442.92182 Ullah, Saif; Altaf Khan, Muhammad; Farooq, Muhammad 54 2018 A fractional model for the dynamics of tuberculosis infection using Caputo-Fabrizio derivative. Zbl 1439.92182 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Hammouch, Zakia; Baleanu, Dumitru 40 2020 A new fractional model for tuberculosis with relapse via Atangana-Baleanu derivative. Zbl 1442.92150 Altaf Khan, Muhammad; Ullah, Saif; Farooq, Muhammad 38 2018 A dynamical model of asymptomatic carrier zika virus with optimal control strategies. Zbl 1430.92045 Khan, M. A.; Shah, Syed Wasim; Ullah, Saif; Gómez-Aguilar, J. F. 34 2019 Mathematical formulation of hepatitis B virus with optimal control analysis. Zbl 1425.92133 Ullah, Saif; Khan, Muhammad Altaf; Gómez-Aguilar, J. F. 30 2019 The dynamics of Zika virus with Caputo fractional derivative. Zbl 1425.37054 Khan, Muhammad Altaf; Ullah, Saif; Farhan, Muhammad 23 2019 A fractional order mathematical model for COVID-19 dynamics with quarantine, isolation, and environmental viral load. Zbl 1494.92119 Aba Oud, Mohammed A.; Ali, Aatif; Alrabaiah, Hussam; Ullah, Saif; Khan, Muhammad Altaf; Islam, Saeed 20 2021 Modeling and analysis of tuberculosis (TB) in Khyber Pakhtunkhwa, Pakistan. Zbl 1540.92241 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Gul, Taza 20 2019 A fractional order pine wilt disease model with Caputo-Fabrizio derivative. Zbl 1448.92308 Khan, Muhammad Altaf; Ullah, Saif; Okosun, K. O.; Shah, Kamil 20 2018 Fractional order SEIR model with generalized incidence rate. Zbl 1484.92118 Khan, Muhammad Altaf; Ullah, Sajjad; Ullah, Saif; Farhan, Muhammad 14 2020 A fractional model for the dynamics of competition between commercial and rural banks in Indonesia. Zbl 1448.91168 Fatmawati; Khan, Muhammad Altaf; Azizah, Muftiyatul; Windarto; Ullah, Saif 12 2019 A fractional order model for hepatitis B virus with treatment via Atangana-Baleanu derivative. Zbl 07571856 Shah, Syed Azhar Ali; Khan, Muhammad Altaf; Farooq, Muhammad; Ullah, Saif; Alzahrani, Ebraheem O. 11 2020 Fractional order SIR model with generalized incidence rate. Zbl 1484.92117 Khan, Muhammad Altaf; Ismail, Muhammad; Ullah, Saif; Farhan, Muhammad 10 2020 A fractional order HBV model with hospitalization. Zbl 1442.34087 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Gul, Taza; Hussain, Fawad 8 2020 A new model of dengue fever in terms of fractional derivative. Zbl 1470.92299 Fatmawati; Jan, Rashid; Khan, Muhammad Altaf; Khan, Yasir; Ullah, Saif 7 2020 New idea of Atangana-Baleanu time-fractional derivative to advection-diffusion equation. Zbl 1472.35443 Tlili, Iskander; Shah, Nehad Ali; Ullah, Saif; Manzoor, Humera 6 2021 A higher-order unconditionally stable scheme for the solution of fractional diffusion equation. Zbl 1473.65258 Ghaffar, Fazal; Ullah, Saif; Badshah, Noor; Alam Khan, Najeeb 3 2021 Compact relativistic geometries in \(f(R, G)\) gravity. Zbl 1539.83097 Rahman, W. U.; Ilyas, M.; Yousaf, Z.; Ullah, S.; Khan, F.; Khan, R. 3 2022 Mathematical assessment of a fractional-order vector-host disease model with the Caputo-Fabrizio derivative. Zbl 1527.92046 Chu, Yu-Ming; Khan, Muhammad Farooq; Ullah, Saif; Shah, Syed Azhar Ali; Farooq, Muhammad; bin Mamat, Mustafa 3 2023 Dynamics of melting heat transfer in thermally developed and chemically reactive flow of Eyring-Powell liquid through a curved channel. Zbl 1533.76123 Naveed, M.; Imran, M.; Akhtar, S.; Abbas, Z.; Ullah, S. 3 2023 The dynamics of HIV/AIDS model with fractal-fractional Caputo derivative. Zbl 1520.34049 Ullah, Saif; Altanji, Mohamed; Khan, Muhammad Altaf; Alshaheri, Ahmed; Sumelka, Wojciech 3 2023 A fractional model for the dynamics of tuberculosis (TB) using Atangana-Baleanu derivative. Zbl 1442.34086 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Alzahrani, Ebraheem O. 3 2020 Numerical simulation of Jeffery-Hamel flow of Bingham plastic fluid and heat transfer in the presence of magnetic field. Zbl 1425.76016 Ara, A.; Khan, N. A.; Sultan, F.; Ullah, S. 3 2019 Optimal control analysis of the effect of treatment, isolation and vaccination on hepatitis B virus. Zbl 1451.92191 Khan, Muhammad Altaf; Shah, Syed Azhar Ali; Ullah, Saif; Okosun, Kazeem Oare; Farooq, Muhammad 3 2020 Numerical investigation with stability analysis of time-fractional Korteweg-de Vries equations. Zbl 1486.65221 Ullah, Saif; Butt, A. I. K.; Buhader, Anum Aish 2 2021 Modeling and analysis of fractional leptospirosis model using Atangana-Baleanu derivative. Zbl 1444.92126 Ullah, Saif; Khan, Muhammad Altaf 1 2019 Heuristics for single machine scheduling problem with family setup times. Zbl 1453.90073 Peng, Yunfang; Han, Yajuan; Xiao, Yuyan; Ullah, Saif 1 2017 Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme. Zbl 1333.62043 Khan, Mursala; Ullah, Saif; Al-Hossain, Abdullah Y.; Bashir, Neelam 1 2015 Study of velocity and shear stress for unsteady flow of incompressible Oldroyd-B fluid between two concentric rotating circular cylinders. Zbl 1488.76006 Ullah, Saif; Tanveer, Muhammad; Bajwa, Sana 1 2019 Mathematical assessment of a fractional-order vector-host disease model with the Caputo-Fabrizio derivative. Zbl 1527.92046 Chu, Yu-Ming; Khan, Muhammad Farooq; Ullah, Saif; Shah, Syed Azhar Ali; Farooq, Muhammad; bin Mamat, Mustafa 3 2023 Dynamics of melting heat transfer in thermally developed and chemically reactive flow of Eyring-Powell liquid through a curved channel. Zbl 1533.76123 Naveed, M.; Imran, M.; Akhtar, S.; Abbas, Z.; Ullah, S. 3 2023 The dynamics of HIV/AIDS model with fractal-fractional Caputo derivative. Zbl 1520.34049 Ullah, Saif; Altanji, Mohamed; Khan, Muhammad Altaf; Alshaheri, Ahmed; Sumelka, Wojciech 3 2023 Compact relativistic geometries in \(f(R, G)\) gravity. Zbl 1539.83097 Rahman, W. U.; Ilyas, M.; Yousaf, Z.; Ullah, S.; Khan, F.; Khan, R. 3 2022 A fractional order mathematical model for COVID-19 dynamics with quarantine, isolation, and environmental viral load. Zbl 1494.92119 Aba Oud, Mohammed A.; Ali, Aatif; Alrabaiah, Hussam; Ullah, Saif; Khan, Muhammad Altaf; Islam, Saeed 20 2021 New idea of Atangana-Baleanu time-fractional derivative to advection-diffusion equation. Zbl 1472.35443 Tlili, Iskander; Shah, Nehad Ali; Ullah, Saif; Manzoor, Humera 6 2021 A higher-order unconditionally stable scheme for the solution of fractional diffusion equation. Zbl 1473.65258 Ghaffar, Fazal; Ullah, Saif; Badshah, Noor; Alam Khan, Najeeb 3 2021 Numerical investigation with stability analysis of time-fractional Korteweg-de Vries equations. Zbl 1486.65221 Ullah, Saif; Butt, A. I. K.; Buhader, Anum Aish 2 2021 A fractional model for the dynamics of tuberculosis infection using Caputo-Fabrizio derivative. Zbl 1439.92182 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Hammouch, Zakia; Baleanu, Dumitru 40 2020 Fractional order SEIR model with generalized incidence rate. Zbl 1484.92118 Khan, Muhammad Altaf; Ullah, Sajjad; Ullah, Saif; Farhan, Muhammad 14 2020 A fractional order model for hepatitis B virus with treatment via Atangana-Baleanu derivative. Zbl 07571856 Shah, Syed Azhar Ali; Khan, Muhammad Altaf; Farooq, Muhammad; Ullah, Saif; Alzahrani, Ebraheem O. 11 2020 Fractional order SIR model with generalized incidence rate. Zbl 1484.92117 Khan, Muhammad Altaf; Ismail, Muhammad; Ullah, Saif; Farhan, Muhammad 10 2020 A fractional order HBV model with hospitalization. Zbl 1442.34087 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Gul, Taza; Hussain, Fawad 8 2020 A new model of dengue fever in terms of fractional derivative. Zbl 1470.92299 Fatmawati; Jan, Rashid; Khan, Muhammad Altaf; Khan, Yasir; Ullah, Saif 7 2020 A fractional model for the dynamics of tuberculosis (TB) using Atangana-Baleanu derivative. Zbl 1442.34086 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Alzahrani, Ebraheem O. 3 2020 Optimal control analysis of the effect of treatment, isolation and vaccination on hepatitis B virus. Zbl 1451.92191 Khan, Muhammad Altaf; Shah, Syed Azhar Ali; Ullah, Saif; Okosun, Kazeem Oare; Farooq, Muhammad 3 2020 A dynamical model of asymptomatic carrier zika virus with optimal control strategies. Zbl 1430.92045 Khan, M. A.; Shah, Syed Wasim; Ullah, Saif; Gómez-Aguilar, J. F. 34 2019 Mathematical formulation of hepatitis B virus with optimal control analysis. Zbl 1425.92133 Ullah, Saif; Khan, Muhammad Altaf; Gómez-Aguilar, J. F. 30 2019 The dynamics of Zika virus with Caputo fractional derivative. Zbl 1425.37054 Khan, Muhammad Altaf; Ullah, Saif; Farhan, Muhammad 23 2019 Modeling and analysis of tuberculosis (TB) in Khyber Pakhtunkhwa, Pakistan. Zbl 1540.92241 Ullah, Saif; Khan, Muhammad Altaf; Farooq, Muhammad; Gul, Taza 20 2019 A fractional model for the dynamics of competition between commercial and rural banks in Indonesia. Zbl 1448.91168 Fatmawati; Khan, Muhammad Altaf; Azizah, Muftiyatul; Windarto; Ullah, Saif 12 2019 Numerical simulation of Jeffery-Hamel flow of Bingham plastic fluid and heat transfer in the presence of magnetic field. Zbl 1425.76016 Ara, A.; Khan, N. A.; Sultan, F.; Ullah, S. 3 2019 Modeling and analysis of fractional leptospirosis model using Atangana-Baleanu derivative. Zbl 1444.92126 Ullah, Saif; Khan, Muhammad Altaf 1 2019 Study of velocity and shear stress for unsteady flow of incompressible Oldroyd-B fluid between two concentric rotating circular cylinders. Zbl 1488.76006 Ullah, Saif; Tanveer, Muhammad; Bajwa, Sana 1 2019 A fractional model for the dynamics of TB virus. Zbl 1442.92182 Ullah, Saif; Altaf Khan, Muhammad; Farooq, Muhammad 54 2018 A new fractional model for tuberculosis with relapse via Atangana-Baleanu derivative. Zbl 1442.92150 Altaf Khan, Muhammad; Ullah, Saif; Farooq, Muhammad 38 2018 A fractional order pine wilt disease model with Caputo-Fabrizio derivative. Zbl 1448.92308 Khan, Muhammad Altaf; Ullah, Saif; Okosun, K. O.; Shah, Kamil 20 2018 Heuristics for single machine scheduling problem with family setup times. Zbl 1453.90073 Peng, Yunfang; Han, Yajuan; Xiao, Yuyan; Ullah, Saif 1 2017 Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme. Zbl 1333.62043 Khan, Mursala; Ullah, Saif; Al-Hossain, Abdullah Y.; Bashir, Neelam 1 2015 all cited Publications top 5 cited Publications all top 5 Cited by 566 Authors 26 Khan, Muhammad Altaf 12 Qureshi, Sania 12 Ullah, Saif 11 Băleanu, Dumitru I. 9 Guo, Youming 9 Li, Tingting 8 Fatmawati, Fatmawati 7 Atangana, Abdon 7 Rezapour, Shahram 6 Gómez-Aguilar, José Francisco 6 Jan, Rashid 6 Kumar, Sunil 6 Yusuf, Abdullahi A. 5 Alzahrani, Ebraheem O. 5 Bonyah, Ebenezer 5 Mohammadi, Hakimeh 5 Yuldashev, Tursun Kamaldinovich 4 Abdeljawad, Thabet 4 Alzabut, Jehad O. 4 Farooq, Muhammad Umar 4 Inc, Mustafa 4 Jajarmi, Amin 4 Rachik, Mostafa 3 Ackora-Prah, Joseph 3 Balatif, Omar 3 Chauhan, Ram P. 3 Farhan, Muhammad 3 Gul, Taza 3 Hammouch, Zakia 3 Khan, Ilyas 3 Kongson, Jutarat 3 Kumam, Poom 3 Ozarslan, Ramazan 3 Saad, Khaled Mohammed 3 Shah, Kamal 3 Shaikh, Asif Ali 3 Singh, Jagdev 3 Sudsutad, Weerawat 3 Thaiprayoon, Chatthai 3 Uçar, Sümeyra 2 Abdo, Mohammed Salem 2 Abdullaev, Obidjon Khayrullayevich 2 Abduvahobov, Tokhirzhon Akbarali ogli 2 Acay, Bahar 2 Ahmadian, Ali 2 Al-Refai, Mohammed 2 Aljhani, Sami 2 Almadiy, Abdulrhman A. 2 Alomari, Abedel-Karrem 2 Alshammari, Fehaid Salem 2 Asamoah, Joshua Kiddy Kwasi 2 Baş, Erdal 2 Boulaaras, Salah Mahmoud 2 Deebani, Wejdan 2 Escobar-Jiménez, Ricardo Fabricio 2 Etemad, Sina 2 Ghanbari, Behzad 2 Govindaraj, Venkatesan 2 Guo, Zhongkai 2 Hoang, Manh Tuan 2 Huo, Hai-Feng 2 Jarad, Fahd 2 Kartal, Senol 2 Kelemu Mengistu, Ashenafi 2 Khan, Hasib 2 Kouidere, Abdelfatah 2 Kumar, Devendra 2 Kumar, Pushpendra 2 Kumar, Ranbir 2 Lahrouz, Aadil 2 Muhammad, Taseer 2 Nayak, Sapan Kumar 2 Ndenda, Joseph P. 2 Njagarah, John Boscoh H. 2 Noorani, Mohd Salmi Mohd 2 Obsu, Legesse Lemecha 2 Ogunmiloro, Oluwatayo Michael 2 Okosun, Kazeem Oare 2 Omame, Andrew 2 Osman, Mohamed Sayed Ali 2 Parida, Pradip Kumar 2 Peter, Olumuyiwa James 2 Samet, Bessem 2 Santamaria, Fidel 2 Settati, Adel 2 Shah, Syed Azhar Ali 2 Shah, Zahir 2 Sooppy Nisar, Kottakkaran 2 Srivastava, Hari Mohan 2 Su, Yongmei 2 Su, Youhui 2 Sun, Wenchao 2 Surkov, Platon Gennad’evich 2 Vázquez-Guerrero, P. 2 Vellappandi, Madasamy 2 Wang, Guotao 2 Wang, Wanting 2 Windarto 2 Witbooi, Peter Joseph 2 Xiang, Hong ...and 466 more Authors all top 5 Cited in 82 Serials 30 Chaos, Solitons and Fractals 17 Mathematical Methods in the Applied Sciences 15 Advances in Difference Equations 13 Physica A 12 AIMS Mathematics 10 Fractals 10 International Journal of Biomathematics 8 Journal of Computational and Applied Mathematics 8 Journal of Applied Mathematics and Computing 8 Discrete and Continuous Dynamical Systems. Series S 7 Discrete Dynamics in Nature and Society 7 Mathematical Biosciences and Engineering 6 International Journal of Applied and Computational Mathematics 5 Mathematics and Computers in Simulation 5 International Journal of Differential Equations 4 Applied Mathematics and Computation 4 Communications in Nonlinear Science and Numerical Simulation 4 Lobachevskii Journal of Mathematics 4 Qualitative Theory of Dynamical Systems 4 Journal of Function Spaces 3 Journal of Mathematical Biology 3 Numerical Methods for Partial Differential Equations 2 Journal of Mathematical Analysis and Applications 2 Optimal Control Applications & Methods 2 Computational and Applied Mathematics 2 Complexity 2 Chaos 2 Journal of Biological Systems 2 International Journal of Nonlinear Sciences and Numerical Simulation 2 Nonlinear Analysis. Real World Applications 2 Journal of Applied Mathematics 2 Proceedings of Institute of Mathematics and Mechanics. National Academy of Sciences of Azerbaijan 2 Symmetry 2 S\(\vec{\text{e}}\)MA Journal 2 Journal of Applied Analysis and Computation 2 Chelyabinskiĭ Fiziko-Matematicheskiĭ Zhurnal 1 Computers & Mathematics with Applications 1 Rocky Mountain Journal of Mathematics 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Demonstratio Mathematica 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Differential Equations 1 Journal of Optimization Theory and Applications 1 Rendiconti del Circolo Matemàtico di Palermo. Serie II 1 Studies in Applied Mathematics 1 Stochastic Analysis and Applications 1 Applied Numerical Mathematics 1 Numerical Algorithms 1 Applied Mathematical Modelling 1 SIAM Journal on Applied Mathematics 1 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 1 Applied Mathematics. Series B (English Edition) 1 Filomat 1 Annals of Mathematics and Artificial Intelligence 1 Differential Equations and Dynamical Systems 1 Abstract and Applied Analysis 1 Applied Sciences 1 Journal of Nonlinear Mathematical Physics 1 Differential Equations 1 Mathematical Modelling and Analysis 1 Discrete and Continuous Dynamical Systems. Series B 1 Applied Mathematics E-Notes 1 Cubo 1 Journal of Biological Dynamics 1 Applications and Applied Mathematics 1 Computational & Mathematical Methods in Medicine 1 Journal of Physics A: Mathematical and Theoretical 1 Networks and Heterogeneous Media 1 Communications in Theoretical Physics 1 Advances in Mathematical Physics 1 Journal of Probability and Statistics 1 Asian Journal of Control 1 Journal of Applied Mathematics & Informatics 1 Malaysian Journal of Mathematical Sciences 1 Journal of Mahani Mathematical Research Center 1 Epidemiologic Methods 1 Sahand Communications in Mathematical Analysis 1 Computational Methods for Differential Equations 1 Open Mathematics 1 Moroccan Journal of Pure and Applied Analysis 1 Mathematical Foundations of Computing 1 Fixed Point Theory and Algorithms for Sciences and Engineering all top 5 Cited in 29 Fields 180 Biology and other natural sciences (92-XX) 156 Ordinary differential equations (34-XX) 66 Real functions (26-XX) 37 Numerical analysis (65-XX) 33 Partial differential equations (35-XX) 29 Calculus of variations and optimal control; optimization (49-XX) 21 Dynamical systems and ergodic theory (37-XX) 15 Systems theory; control (93-XX) 14 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 10 Operator theory (47-XX) 10 Statistical mechanics, structure of matter (82-XX) 8 Integral equations (45-XX) 5 Measure and integration (28-XX) 5 Special functions (33-XX) 3 Difference and functional equations (39-XX) 3 Integral transforms, operational calculus (44-XX) 3 Fluid mechanics (76-XX) 2 Mechanics of particles and systems (70-XX) 2 Information and communication theory, circuits (94-XX) 1 Approximations and expansions (41-XX) 1 General topology (54-XX) 1 Algebraic topology (55-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Probability theory and stochastic processes (60-XX) 1 Statistics (62-XX) 1 Computer science (68-XX) 1 Optics, electromagnetic theory (78-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Operations research, mathematical programming (90-XX) Citations by Year