Edit Profile (opens in new tab) O’Regan, Donal Compute Distance To: Compute Author ID: oregan.donal Published as: O’Regan, Donal; O’Regan, D.; O’Regan, Donald; O’Regan, Dónal; O’ Regan, Donal; O’Regan, Daniel J. more...less Further Spellings: O’Regan, Daniel Joseph; О’Реган Донал Homepage: http://www.maths.nuigalway.ie/staff/doregan.shtml External Links: MGP · Wikidata · Google Scholar · Math-Net.Ru · dblp · GND · IdRef Documents Indexed: 1,531 Publications since 1986, including 29 Books 10 Contributions as Editor Reviewing Activity: 38 Reviews Co-Authors: 435 Co-Authors with 1,278 Joint Publications 11,637 Co-Co-Authors all top 5 Co-Authors 252 single-authored 654 Agarwal, Ravi P. 56 Wang, Jinrong 51 Jiang, Daqing 51 Khristova, Snezhana G. 39 Grace, Said Rezk 29 Lu, Haishen 28 Wong, Patricia J. Y. 28 Xu, Jiafa 27 Saker, Samir H. 25 Nguyen Huy Tuan 25 Papageorgiou, Nikolaos S. 25 Yan, Baoqiang 23 Meehan, Maria 22 Lupulescu, Vasile 22 Staněk, Svatoslav 21 Lakshmikantham, Vangipuram 19 El-Gebeily, Mohamed A. 19 Hernández, Eduardo M. 19 Shahzad, Naseer 19 Wang, Chao 17 Frigon, Marlène 17 Huang, Nan-Jing 17 Precup, Radu 17 Saadati, Reza 15 Balaj, Mircea 15 Buşe, Constantin 14 Chen, Yuqing 14 Guo, Chengjun 14 Ntouyas, Sotiris K. 13 Cho, Yeol Je 13 Chu, Jifeng 13 Xu, Xian 12 Amini-Harandi, Alireza 12 Franco Leis, Daniel 12 Zu, Li 11 Farajzadeh, Ali P. 11 Fečkan, Michal 11 Filippakis, Michael E. 11 Moussaoui, Toufik 11 Zhou, Yong 10 Băleanu, Dumitru I. 10 Ben Amar, Afif 10 Bohner, Martin J. 10 Bonanno, Gabriele 10 Nieto Roig, Juan Jose 10 Perera, Kanishka 10 Samet, Bessem 9 Dshalalow, Jewgeni H. 9 Ibrahim, Ahmed Gamal 9 Taoudi, Mohamed Aziz 8 Bobisud, Larry E. 8 Górniewicz, Lech 8 Jleli, Mohamed Boussairi 8 Karapınar, Erdal 8 Li, Xiaodi 8 Liu, Yansheng 8 Nourouzi, Kourosh 8 Orpel, Aleksandra 8 Saierli, Olivia 7 Banaś, Józef 7 Can, Nguyen Huu 7 Henderson, Johnny Lee 7 Li, Mengmeng 7 Mustafa, Octavian G. 7 Ngoc, Tran Bao 7 Osman, Mahmoud M. 7 Xu, Yuantong 7 Zhang, Keyu 6 Avery, Richard I. 6 Chen, Jinhai 6 Fu, Zhengqing 6 Kyritsi, Sophia Th. 6 Liu, Kui 6 Ma, Ruyun 6 Perán, Juan 6 Pierri, Michelle 6 Xia, Yonghui 6 Xu, Xiaojie 6 Yuan, Chengjun 5 Aghajani, Asadollah 5 Au, Vo Van 5 Cui, Yujun 5 Heidarkhani, Shapour 5 Kelevedjiev, Petio S. 5 Kopanov, Peter 5 Luc, Nguyen Hoang 5 Petruşel, Adrian 5 Rahman, Ghaus Ur 5 Sahu, Daya Ram 5 Sakthivel, Rathinasamy 5 Shakhmurov, Veli B. 5 Soori, Ebrahim 5 Thach, Tran Ngoc 5 Wang, Fulong 5 Yang, Zhilin 4 Alzabut, Jehad O. 4 Arshad, Sadia 4 Dhage, Bapurao C. 4 Dong, Wei 4 Kim, Jong Kyu ...and 335 more Co-Authors all top 5 Serials 68 Applicable Analysis 56 Journal of Mathematical Analysis and Applications 48 Dynamic Systems and Applications 47 Applied Mathematics Letters 44 Applied Mathematics and Computation 36 Advances in Difference Equations 32 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 31 Computers & Mathematics with Applications 28 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 27 Mathematical and Computer Modelling 26 Fixed Point Theory 23 Proceedings of the American Mathematical Society 22 Communications in Applied Analysis 21 Nonlinear Analysis. Theory, Methods & Applications 20 Journal of Computational and Applied Mathematics 19 Electronic Journal of Differential Equations (EJDE) 18 Nonlinear Analysis Forum 18 Journal of Nonlinear and Convex Analysis 18 Fixed Point Theory and Applications 17 Journal of Inequalities and Applications 17 Nonlinear Functional Analysis and Applications 15 Topological Methods in Nonlinear Analysis 14 Mathematical Methods in the Applied Sciences 14 Mathematical Inequalities & Applications 13 Zeitschrift für Analysis und ihre Anwendungen 13 Journal of Applied Mathematics and Stochastic Analysis 13 Memoirs on Differential Equations and Mathematical Physics 13 Boundary Value Problems 12 Bulletin of the Australian Mathematical Society 12 Acta Applicandae Mathematicae 12 Filomat 12 Journal of Applied Mathematics and Computing 12 Journal of Fixed Point Theory and Applications 11 Journal of Differential Equations 11 Mathematische Nachrichten 11 Georgian Mathematical Journal 11 Positivity 11 Communications in Nonlinear Science and Numerical Simulation 10 Rocky Mountain Journal of Mathematics 10 Journal of Integral Equations and Applications 10 Aequationes Mathematicae 10 Nonlinear Analysis. Modelling and Control 10 Cubo 10 Differential Equations and Applications 9 Fuzzy Sets and Systems 9 Glasgow Mathematical Journal 9 Bulletin of the Iranian Mathematical Society 9 Journal of Difference Equations and Applications 9 Nonlinear Studies 9 Nonlinear Analysis. Real World Applications 8 Annales Polonici Mathematici 8 Proceedings of the Edinburgh Mathematical Society. Series II 8 Fractional Calculus & Applied Analysis 8 Journal of Nonlinear Science and Applications 7 Archivum Mathematicum 7 Journal of Optimization Theory and Applications 7 Proceedings of the Royal Irish Academy. Section A, Mathematical and Physical Sciences 7 Differential Equations and Dynamical Systems 7 Abstract and Applied Analysis 7 Electronic Journal of Qualitative Theory of Differential Equations 7 Mathematical Proceedings of the Royal Irish Academy 6 Journal of the Franklin Institute 6 Czechoslovak Mathematical Journal 6 Monatshefte für Mathematik 6 Numerical Functional Analysis and Optimization 6 Rendiconti del Circolo Matemàtico di Palermo. Serie II 6 Bulletin of the Korean Mathematical Society 6 Panamerican Mathematical Journal 6 Analele Științifice ale Universității “Ovidius” Constanța. Seria: Matematică 6 Functional Differential Equations 6 Acta Mathematica Sinica. English Series 6 Discussiones Mathematicae. Differential Inclusions, Control and Optimization 6 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 5 IMA Journal of Applied Mathematics 5 Chaos, Solitons and Fractals 5 Archiv der Mathematik 5 Mathematica Slovaca 5 Utilitas Mathematica 5 Topology and its Applications 5 Annales Societatis Mathematicae Polonae. Seria I. Commentationes Mathematicae 5 Acta Mathematica Hungarica 5 Applications of Mathematics 5 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 5 Evolution Equations and Control Theory 5 Journal of Function Spaces 4 Demonstratio Mathematica 4 Indian Journal of Mathematics 4 Results in Mathematics 4 Stochastic Analysis and Applications 4 Bulletin des Sciences Mathématiques 4 Communications on Applied Nonlinear Analysis 4 Mathematical Problems in Engineering 4 Journal of Applied Analysis 4 Taiwanese Journal of Mathematics 4 Neliniĭni Kolyvannya 4 Analysis (München) 4 Differential Equations 4 Journal of Applied Mathematics 4 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 4 Journal of Applied Analysis and Computation ...and 161 more Serials all top 5 Fields 758 Ordinary differential equations (34-XX) 573 Operator theory (47-XX) 208 General topology (54-XX) 159 Integral equations (45-XX) 143 Partial differential equations (35-XX) 107 Real functions (26-XX) 107 Difference and functional equations (39-XX) 59 Calculus of variations and optimal control; optimization (49-XX) 54 Global analysis, analysis on manifolds (58-XX) 47 Systems theory; control (93-XX) 40 Functional analysis (46-XX) 40 Algebraic topology (55-XX) 39 Biology and other natural sciences (92-XX) 36 Probability theory and stochastic processes (60-XX) 24 Numerical analysis (65-XX) 19 Dynamical systems and ergodic theory (37-XX) 12 General and overarching topics; collections (00-XX) 12 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 11 Abstract harmonic analysis (43-XX) 10 Operations research, mathematical programming (90-XX) 9 Mechanics of deformable solids (74-XX) 8 Functions of a complex variable (30-XX) 8 Approximations and expansions (41-XX) 8 Fluid mechanics (76-XX) 6 Special functions (33-XX) 6 Harmonic analysis on Euclidean spaces (42-XX) 5 Linear and multilinear algebra; matrix theory (15-XX) 3 Sequences, series, summability (40-XX) 3 Computer science (68-XX) 2 Measure and integration (28-XX) 2 Potential theory (31-XX) 2 Integral transforms, operational calculus (44-XX) 2 Convex and discrete geometry (52-XX) 2 Quantum theory (81-XX) 2 Information and communication theory, circuits (94-XX) 1 Mathematical logic and foundations (03-XX) 1 Differential geometry (53-XX) 1 Manifolds and cell complexes (57-XX) 1 Statistics (62-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 1,134 Publications have been cited 12,336 times in 7,791 Documents Cited by ▼ Year ▼ Variational approach to impulsive differential equations. Zbl 1167.34318Nieto, Juan J.; O’Regan, Donal 292 2009 Dynamic equations on time scales: A survey. Zbl 1020.39008Agarwal, Ravi; Bohner, Martin; O’Regan, Donal; Peterson, Allan 269 2002 Generalized contractions in partially ordered metric spaces. Zbl 1140.47042Agarwal, Ravi P.; El-Gebeily, M. A.; O’Regan, Donal 256 2008 Iterative construction of fixed points of nearly asymptotically nonexpansive mappings. Zbl 1134.47047Agarwal, R. P.; O’Regan, Donal; Sahu, D. R. 208 2007 On a new class of abstract impulsive differential equations. Zbl 1266.34101Hernández, Eduardo; O’Regan, Donal 189 2013 Fixed point theorems for generalized contractions in ordered metric spaces. Zbl 1142.47033O’Regan, Donal; Petruşel, Adrian 185 2008 Positive solutions for Dirichlet problems of singular nonlinear fractional differential equations. Zbl 1206.34009Agarwal, Ravi P.; O’Regan, Donal; Staněk, Svatoslav 155 2010 Fixed point theory and applications. Zbl 0960.54027Agarwal, Ravi P.; Meehan, Maria; O’Regan, Donal 147 2001 Fixed point theory for Lipschitzian-type mappings with applications. Zbl 1176.47037Agarwal, Ravi P.; O’Regan, Donal; Sahu, D. R. 146 2009 Multiple positive solutions of singular and nonsingular discrete problems via variational methods. Zbl 1070.39005Agarwal, Ravi P.; Perera, Kanishka; O’Regan, Donal 132 2004 Existence of solutions for semi-linear abstract differential equations with not instantaneous impulses. Zbl 1293.34019Pierri, Michelle; O’Regan, Donal; Rolnik, Vanessa 117 2013 Oscillation theory for second order linear, half-linear, superlinear and sublinear dynamic equations. Zbl 1073.34002Agarwal, Ravi P.; Grace, Said R.; O’Regan, Donal 116 2002 On recent developments in the theory of abstract differential equations with fractional derivatives. Zbl 1229.34004Hernández, Eduardo; O’Regan, Donal; Balachandran, Krishnan 114 2010 Positive solutions to certain classes of singular nonlinear second order boundary value problems. Zbl 0808.34022O’Regan, D. 109 1994 Multiple positive solutions of singular discrete \(p\)-Laplacian problems via variational methods. Zbl 1098.39001Agarwal, Ravi P.; Perera, Kanishka; O’Regan, Donal 107 2005 Oscillation theory for difference and functional differential equations. Zbl 0954.34002Agarwal, Ravi P.; Grace, Said R.; O’Regan, Donal 107 2000 Infinite interval problems for differential, difference and integral equations. Zbl 0988.34002Agarwal, Ravi P.; O’Regan, Donal 86 2001 Oscillation criteria for second-order nonlinear neutral delay dynamic equations. Zbl 1062.34068Agarwal, Ravi P.; O’Regan, Donal; Saker, S. H. 83 2004 Nonlinear boundary value problems on time scales. Zbl 0995.34016Agarwal, Ravi P.; O’Regan, Donal 83 2001 Some general existence principles and results for \((\varphi(y'))=qf(t,y,y'),0<t<1\). Zbl 0778.34013O’Regan, Donal 82 1993 Discrete oscillation theory. Zbl 1084.39001Agarwal, Ravi P.; Bohner, Martin; Grace, Said R.; O’Regan, Donal 81 2005 Multiple nonnegative solutions for second order impulsive differential equations. Zbl 1047.34008Agarwal, Ravi P.; O’Regan, Donal 78 2000 Existence theory for nonlinear ordinary differential equations. Zbl 1077.34505O’Regan, Donal 78 1997 Eigenvalues and the one-dimensional \(p\)-Laplacian. Zbl 1002.34019Agarwal, Ravi P.; Lü, Haishen; O’Regan, Donal 75 2002 Solvability of some fourth (and higher) order singular boundary value problems. Zbl 0795.34018O’Regan, Donal 74 1991 Nonlinear superlinear singular and nonsingular second order boundary value problems. Zbl 0902.34015Agarwal, Ravi P.; O’Regan, Donal 74 1998 The extinction and persistence of the stochastic SIS epidemic model with vaccination. Zbl 1395.92180Zhao, Yanan; Jiang, Daqing; O’Regan, Donal 74 2013 Positive solutions of differential, difference and integral equations. Zbl 1157.34301Agarwal, Ravi P.; O’Regan, Donal; Wong, Patricia J. Y. 73 1999 Anti-periodic solutions for fully nonlinear first-order differential equations. Zbl 1142.34313Chen, Yuqing; Nieto, Juan J.; O’Regan, Donal 72 2007 Analysis of autonomous Lotka-Volterra competition systems with random perturbation. Zbl 1258.34099Jiang, Daqing; Ji, Chunyan; Li, Xiaoyue; O’Regan, Donal 65 2012 Singular boundary value problems for first and second order impulsive differential equations. Zbl 1073.34025Agarwal, Ravi P.; Franco, Daniel; O’Regan, Donal 63 2005 Nonlinear Urysohn discrete equations on the infinite interval: a fixed-point approach. Zbl 1003.39017Agarwal, R. P.; O’Regan, D. 62 2001 Existence principles for nonlinear resonant operator and integral equations. Zbl 0932.45010Meehan, M.; O’Regan, D. 62 1998 Oscillation criteria for certain \(n\)th order differential equations with deviating arguments. Zbl 0997.34060Agarwal, Ravi P.; Grace, Said R.; O’Regan, Donal 61 2001 Singular boundary value problems for superlinear second order ordinary and delay differential equations. Zbl 0863.34022Agarwal, Ravi P.; O’Regan, Donal 58 1996 Positive solutions for mixed problems of singular fractional differential equations. Zbl 1232.26005Agarwal, Ravi P.; O’Regan, Donal; Staněk, Svatoslav 56 2012 Morse theoretic aspects of \(p\)-Laplacian type operators. Zbl 1192.58007Perera, Kanishka; Agarwal, Ravi P.; O’Regan, Donal 55 2010 Oscillation of second-order strongly superlinear and strongly sublinear dynamic equations. Zbl 1221.34083Grace, Said R.; Agarwal, Ravi P.; Bohner, Martin; O’Regan, Donal 53 2009 Solvability of some nonlinear boundary value problems. Zbl 0653.34015Bobisud, L. E.; O’Regan, D.; Royalty, W. D. 52 1988 Fractional boundary value problems with singularities in space variables. Zbl 1268.34023O’Regan, Donal; Staněk, Svatoslav 52 2013 Multiplicity results for singular conjugate, focal, and \((N,P)\) problems. Zbl 0978.34018Agarwal, Ravi P.; O’Regan, Donal 50 2001 Fixed-point theory for the sum of two operators. Zbl 0858.34049O’Regan, D. 49 1996 Existence theory for single and multiple solutions to singular positone boundary value problems. Zbl 0999.34018Agarwal, Ravi P.; O’Regan, Donal 48 2001 Fuzzy fractional integral equations under compactness type condition. Zbl 1312.45009Agarwal, Ravi; Arshad, Sadia; O’Regan, Donal; Lupulescu, Vasile 48 2012 A survey of Lyapunov functions, stability and impulsive Caputo fractional differential equations. Zbl 1343.34006Agarwal, Ravi; Hristova, Snezhana; O’Regan, Donal 48 2016 A multiplicity result for second order impulsive differential equations via the Leggett Williams fixed point theorem. Zbl 1070.34042Agarwal, Ravi P.; O’Regan, Donal 45 2005 Boundary value problems for discrete equations. Zbl 0890.39001Agarwal, R. P.; O’Regan, D. 45 1997 The oscillation of certain higher-order functional differential equations. Zbl 1070.34083Agarwal, R. P.; Grace, S. R.; O’Regan, D. 44 2003 Initial and boundary value problems for fuzzy differential equations. Zbl 1048.34015O’Regan, Donal; Lakshmikantham, V.; Nieto, Juan J. 43 2003 Stability of Caputo fractional differential equations by Lyapunov functions. Zbl 1374.34005Agarwal, Ravi; O’Regan, Donal; Hristova, Snezhana 43 2015 Differential mixed variational inequalities in finite dimensional spaces. Zbl 1186.49006Li, Xue-Song; Huang, Nan-Jing; O’Regan, Donal 43 2010 Fixed point theorems for singlevalued and multivalued generalized contractions in metric spaces endowed with a graph. Zbl 1227.54053Nicolae, Adriana; O’Regan, Donal; Petruşel, Adrian 41 2011 Nonlinear contraction theorems in probabilistic spaces. Zbl 1135.54315O’Regan, Donal; Saadati, Reza 41 2008 Multiple positive solutions to superlinear periodic boundary value problems with repulsive singular forces. Zbl 1042.34047Jiang, Daqing; Chu, Jifeng; O’Regan, Donal; Agarwal, Ravi P. 41 2003 Twin solutions to singular Dirichlet problems. Zbl 0946.34022Agarwal, Ravi P.; O’Regan, Donal 40 1999 Global exponential stabilization of impulsive neural networks with unbounded continuously distributed delays. Zbl 1316.34079Li, Xiaodi; O’Regan, Donal; Akca, Haydar 40 2015 Existence of solutions for first order ordinary differential equations with nonlinear boundary conditions. Zbl 1058.34015Franco, Daniel; Nieto, Juan J.; O’Regan, Donal 39 2004 On existence and local attractivity of solutions of a quadratic Volterra integral equation of fractional order. Zbl 1147.45003Banaś, Józef; O’Regan, Donal 39 2008 Singular Dirichlet boundary value problems. I: Superlinear and nonresonant case. Zbl 0884.34028O’Regan, Donal 38 1997 Strong convergence theorems for relatively nonexpansive mappings in Banach spaces with applications. Zbl 1201.65091Li, Xi; Huang, Nan-Jing; O’Regan, Donal 38 2010 Periodic solution for a non-autonomous Lotka-Volterra predator-prey model with random perturbation. Zbl 1326.34091Zu, Li; Jiang, Daqing; O’Regan, Donal; Ge, Bin 38 2015 Oscillation theory for second order dynamic equations. Zbl 1043.34032Agarwal, Ravi P.; Grace, Said R.; O’Regan, Donal 37 2003 Generalized Hardy, Copson, Leindler and Bennett inequalities on time scales. Zbl 1309.26018Saker, S. H.; O’Regan, D.; Agarwal, R. 37 2014 Impulsive differential equations with variable times. Zbl 0863.34015Frigon, Marlène; O’Regan, Donal 37 1996 Lyapunov-type inequalities for a class of fractional differential equations. Zbl 1338.34023O’Regan, Donal; Samet, Bessem 37 2015 Fixed-point theory for weakly sequentially continuous mappings. Zbl 1185.34026O’Regan, D. 37 1998 Anti-periodic boundary value problem for nonlinear first order ordinary differential equations. Zbl 1097.34015Franco, Daniel; Nieto, Juan J.; O’Regan, Donal 36 2003 Unbounded solutions for singular boundary value problems on the semi-infinite interval: upper and lower solutions and multiplicity. Zbl 1116.34016Yan, Baoqiang; O’Regan, Donal; Agarwal, Ravi P. 36 2006 A fixed-point approach for nonlinear discrete boundary value problems. Zbl 0933.39004Agarwal, R. P.; O’Regan, D. 35 1998 Fourth-order problems with nonlinear boundary conditions. Zbl 1068.34013Franco, Daniel; O’Regan, Donal; Perán, Juan 35 2005 Positive solutions for \((p,n-p)\) conjugate boundary value problems. Zbl 0920.34027Agarwal, Ravi P.; O’Regan, Donal 35 1998 A note on existence of nonnegative solutions to singular semi-positone problems. Zbl 0921.34027Agarwal, Ravi P.; O’Regan, Donal 35 1999 Controllability of Volterra-Fredholm type systems in Banach spaces. Zbl 1160.93005Hernández M., Eduardo; O’Regan, Donal 35 2009 On abstract differential equations with non-instantaneous impulses. Zbl 1360.34131Hernández, Eduardo; Pierri, Michelle; O’Regan, Donal 35 2015 New oscillation criteria for second-order neutral functional dynamic equations via the generalized Riccati substitution. Zbl 1221.34245Saker, S. H.; O’Regan, Donal 34 2011 First order impulsive initial and periodic problems with variable moments. Zbl 0930.34016Frigon, M.; O’Regan, D. 34 1999 Dynamic inequalities on time scales. Zbl 1318.26002Agarwal, Ravi; O’Regan, Donal; Saker, Samir 32 2014 Integral inclusions of upper semi-continuous or lower semi-continuous type. Zbl 0860.45007O’Regan, Donal 32 1996 Multiplicity results using bifurcation techniques for a class of boundary value problems of impulsive differential equations. Zbl 1221.34072Liu, Yansheng; O’Regan, Donal 32 2011 Fixed point theorems for set-valued maps and existence principles for integral inclusions. Zbl 0956.47026O’Regan, Donal; Precup, Radu 32 2000 Stochastically asymptotically stability of the multi-group SEIR and SIR models with random perturbation. Zbl 1243.92047Yuan, Chengjun; Jiang, Daqing; O’Regan, Donal; Agarwal, Ravi P. 32 2012 Triple solutions to boundary value problems on time scales. Zbl 0958.34021Agarwal, R. P.; O’Regan, D. 31 2000 Nodal solutions for second-order \(m\)-point boundary value problems with nonlinearities across several eigenvalues. Zbl 1101.34006Ma, Ruyun; O’Regan, Donal 31 2006 Multiple positive solutions for the one-dimensional singular \(p\)-Laplacian. Zbl 1048.34047Lü, Haishen; O’Regan, Donal; Zhong, Chengkui 31 2002 Extremal solutions for nonlinear fractional boundary value problems with \(p\)-Laplacian. Zbl 1323.34004Ding, Youzheng; Wei, Zhongli; Xu, Jiafa; O’Regan, Donal 31 2015 Existence theory for nonlinear integral and integrodifferential equations. Zbl 0905.45003O’Regan, Donal; Meehan, Maria 30 1998 Multiple positive solutions to systems of nonlinear semipositone fractional differential equations with coupled boundary conditions. Zbl 1340.34041Yuan, Chengjun; Jiang, Daqing; O’Regan, D.; Agarwal, Ravi 30 2012 Existence results for nonlinear integral equations. Zbl 0851.45003O’Regan, Donal 30 1995 Oscillation results for second-order nonlinear neutral delay dynamic equations on time scales. Zbl 1128.34042Saker, Samir H.; Agarwal, Ravi P.; O’Regan, Donal 30 2007 A coupled system of boundary value problems. Zbl 0919.34022Agarwal, Ravi P.; O’Regan, Donal 30 1998 Oscillation of second-order damped dynamic equations on time scales. Zbl 1128.34022Saker, Samir H.; Agarwal, Ravi P.; O’Regan, Donal 30 2007 Existence theorems for the one-dimensional singular \(p\)-Laplacian equation with sign changing nonlinearities. Zbl 1031.34023Agarwal, Ravi P.; Lü, Haishen; O’Regan, Donal 29 2003 Existence and asymptotic stability of solutions of a perturbed fractional functional-integral equation with linear modification of the argument. Zbl 1220.45011Darwish, Mohamed Abdalla; Henderson, Johnny; O’Regan, Donal 29 2011 Boundary value problems on infinite intervals and semiconductor devices. Zbl 0594.34019Granas, A.; Guenther, R. B.; Lee, J. W.; O’Regan, D. 29 1986 \(p\)th moment exponential stability of impulsive stochastic functional differential equations and application to control problems of NNs. Zbl 1395.93566Li, Xiaodi; Zhu, Quanxin; O’Regan, Donal 29 2014 A stacking theorem approach for fuzzy differential equations. Zbl 1042.34027Agarwal, Ravi P.; O’Regan, Donal; Lakshmikantham, V. 28 2003 Solving interval-valued fractional initial value problems under Caputo gH-fractional differentiability. Zbl 1368.34010Hoa, Ngo Van; Lupulescu, Vasile; O’Regan, Donal 28 2017 Existence results for differential delay equations. I. Zbl 0782.34070Lee, John W.; O’Regan, Donal 27 1993 Existence theory for nonlinear Fredholm and Volterra integral equations on half-open intervals. Zbl 0920.45006Meehan, Maria; O’Regan, Donal 27 1999 Topological transversality: applications to third order boundary value problems. Zbl 0628.34017O’Regan, Daniel J. 27 1987 The Nehari manifold for a \(\psi \)-Hilfer fractional \(p\)-Laplacian. Zbl 07584260Vanterler da Costa Sousa, José; Zuo, Jiabin; O’Regan, Donal 2 2022 Relative controllability of impulsive multi-delay differential systems. Zbl 1494.34170You, Zhongli; Fečkan, Michal; Wang, JinRong; O’Regan, Donal 1 2022 Convergence analysis for iterative learning control of conformable impulsive differential equations. Zbl 1483.34025Qiu, Wanzheng; Fečkan, Michal; O’Regan, Donal; Wang, JinRong 1 2022 On time fractional pseudo-parabolic equations with nonlocal integral conditions. Zbl 1497.35503Tuan, Nguyen Anh; O’Regan, Donal; Baleanu, Dumitru; Tuan, Nguyen H. 1 2022 Regularization of a multidimensional diffusion equation with conformable time derivative and discrete data. Zbl 1470.35415Tuan, Nguyen Huy; Thach, Tran Ngoc; Can, Nguyen Huu; O’Regan, Donal 6 2021 Commutativity of quaternion-matrix-valued functions and quaternion matrix dynamic equations on time scales. Zbl 1472.34164Li, Zhien; Wang, Chao; Agarwal, Ravi P.; O’Regan, Donal 5 2021 Controllability of stochastic nonlinear oscillating delay systems driven by the Rosenblatt distribution. Zbl 1462.34104Sathiyaraj, T.; Wang, JinRong; O’Regan, D. 3 2021 Characterizations of reverse dynamic weighted Hardy-type inequalities with kernels on time scales. Zbl 1458.26067Saker, S. H.; Osman, M. M.; O’Regan, D.; Agarwal, R. P. 2 2021 Self-improving properties of discrete Muckenhoupt weights. Zbl 07394043Saker, Samir H.; O’Regan, Donal; Agarwal, Ravi P. 2 2021 A new derivative concept for set-valued and fuzzy-valued functions. Differential and integral calculus in quasilinear metric spaces. Zbl 1464.26030Lupulescu, Vasile; O’Regan, Donal 2 2021 Hardy-type operators with general kernels and characterizations of dynamic weighted inequalities. Zbl 1473.26032Saker, S. H.; Osman, M. M.; O’Regan, D.; Agarwal, R. P. 2 2021 Dynamic analysis of a stochastic toxin-mediated predator-prey model in aquatic environments. Zbl 1470.92271Zu, Li; Jiang, Daqing; O’Regan, Donal; Hayat, Tasawar 2 2021 Some basic properties and fundamental relations for discrete Muckenhoupt and Gehring classes. Zbl 1485.40007Saker, S. H.; Rabie, S. S.; Alzabut, Jehad; O’Regan, D.; Agarwal, R. P. 2 2021 Existence and uniqueness results for modeling jet flow of the antarctic circumpolar current. Zbl 1460.76912Wang, JinRong; Fečkan, Michal; Wen, Qian; O’Regan, Donal 1 2021 On the initial value problem for fractional Volterra integrodifferential equations with a Caputo-Fabrizio derivative. Zbl 1469.35234Tuan, Nguyen Huy; Tuan, Nguyen Anh; O’Regan, Donal; Tri, Vo Viet 1 2021 Self-improving properties of a generalized Muckenhoupt class. Zbl 1499.42088Agarwal, R. P.; O’Regan, D.; Saker, S. H. 1 2021 Unique solvability of fractional quadratic nonlinear integral equations. Zbl 1488.45016Darwish, Mohamed Abdalla; Metwali, Mohamed M. A.; O’Regan, Donal 1 2021 A generalized strong convergence algorithm in the presence of errors for variational inequality problems in Hilbert spaces. Zbl 1489.47091Ghadampour, Mostafa; O’Regan, Donal; Soori, Ebrahim; Agarwal, Ravi P. 1 2021 Weighted pseudo \(\delta\)-almost automorphic functions and abstract dynamic equations. Zbl 1470.26051Wang, Chao; Agarwal, Ravi P.; O’Regan, Donal 1 2021 Continuation theorems for Mönch countable compactness-type set-valued maps. Zbl 1462.54019O’Regan, Donal 1 2021 Existence conditions for solutions of bilevel vector equilibrium problems with application to traffic network problems with equilibrium constraints. Zbl 1481.47076Nguyen Van Hung; Tri, Vo Viet; O’Regan, Donal 1 2021 Maps with weakly sequentially closed graphs satisfying compactness conditions on countable sets. Zbl 1479.47053O’Regan, Donal 1 2021 A strong convergence theorem for a finite family of Bregman demimetric mappings in a Banach space under a new shrinking projection method. Zbl 07420409Orouji, Bijan; Soori, Ebrahim; O’Regan, Donal; Agarwal, Ravi P. 1 2021 Continuous dependence of fuzzy mild solutions on parameters for IVP of fractional fuzzy evolution equations. Zbl 1498.34007Zhang, Xuping; Chen, Pengyu; O’Regan, Donal 1 2021 Best approximation of \(\kappa \)-random operator inequalities in matrix MB-algebras. Zbl 07464992Madadi, Masoumeh; O’Regan, Donal; Rassias, Themistocles M.; Saadati, Reza 1 2021 New characterizations of weights on dynamic inequalities involving a Hardy operator. Zbl 07465052Saker, S. H.; Alzabut, J.; Saied, A. I.; O’Regan, D. 1 2021 Relative controllability of a stochastic system using fractional delayed sine and cosine matrices. Zbl 1485.93081Wang, JinRong; Sathiyaraj, T.; O’Regan, Donal 1 2021 Final value problem for nonlinear time fractional reaction-diffusion equation with discrete data. Zbl 1436.35327Tuan, Nguyen Huy; Baleanu, Dumitru; Thach, Tran Ngoc; O’Regan, Donal; Can, Nguyen Huu 13 2020 Hyers-Ulam stability and existence of solutions for fractional differential equations with Mittag-Leffler kernel. Zbl 1434.34014Liu, Kui; Wang, JinRong; Zhou, Yong; O’Regan, Donal 13 2020 Hyers-Ulam stability for equations with differences and differential equations with time-dependent and periodic coefficients. Zbl 1469.39009Buşe, Constantin; Lupulescu, Vasile; O’Regan, Donal 10 2020 On well-posedness of the sub-diffusion equation with conformable derivative model. Zbl 1450.35276Nguyen Huy Tuan; Tran Bao Ngoc; Baleanu, Dumitru; O’Regan, Donal 10 2020 Positive solutions for a system of Hadamard-type fractional differential equations with semipositone nonlinearities. Zbl 1432.34010Ding, Youzheng; Jiang, Jiqiang; O’Regan, Donal; Xu, Jiafa 8 2020 A new class of \((\omega,c)\)-periodic non-instantaneous impulsive differential equations. Zbl 1452.34027Liu, Kui; Wang, JinRong; O’Regan, Donal; Fečkan, Michal 6 2020 Theory of translation closedness for time scales. With applications in translation functions and dynamic equations. Zbl 1435.34004Wang, Chao; Agarwal, Ravi P.; O’Regan, Donal; Sakthivel, Rathinasamy 6 2020 Convergence analysis of solution sets for fuzzy optimization problems. Zbl 1498.47151Nguyen Van Hung; Vo Minh Tam; Nguyen Huy Tuan; O’Regan, Donal 6 2020 On a terminal value problem for pseudoparabolic equations involving Riemann-Liouville fractional derivatives. Zbl 1442.35235Ngoc, Tran Bao; Zhou, Yong; O’Regan, Donal; Tuan, Nguyen Huy 5 2020 A new class of generalized multiobjective games in bounded rationality with fuzzy mappings: structural \((\lambda, \varepsilon)\)-stability and \((\lambda, \varepsilon)\)-robustness to \(\varepsilon\)-equilibria. Zbl 1458.91054Hung, Nguyen Van; Tam, Vo Minh; O’Regan, Donal; Cho, Yeol Je 5 2020 Continuity with respect to fractional order of the time fractional diffusion-wave equation. Zbl 1455.35295Tuan, Nguyen Huy; O’Regan, Donal; Ngoc, Tran Bao 4 2020 Exact solutions of linear Riemann-Liouville fractional differential equations with impulses. Zbl 1448.34008Agarwal, Ravi P.; Hristova, Snezhana; O’Regan, Donal 4 2020 On the solutions of first-order linear impulsive fuzzy differential equations. Zbl 1464.34012Liu, Rui; Wang, JinRong; O’Regan, Donal 4 2020 Regularized gap functions and error bounds for generalized mixed weak vector quasivariational inequality problems in fuzzy environments. Zbl 1464.49006Hung, Nguyen Van; Tam, Vo Minh; Nguyen, Tuan; O’Regan, Donal 4 2020 Robustness for linear evolution equations with non-instantaneous impulsive effects. Zbl 1436.34058Wang, JinRong; Li, Mengmeng; O’Regan, Donal; Fečkan, Michal 4 2020 Approximate solution of the backward problem for Kirchhoff’s model of parabolic type with discrete random noise. Zbl 1451.65135Triet, Nguyen Anh; Phuong, Nguyen Duc; O’Regan, Donal; Tuan, Nguyen Huy 3 2020 Existence and uniqueness and first order approximation of solutions to atmospheric Ekman flows. Zbl 1453.34027Fečkan, Michal; Guan, Yi; O’Regan, Donal; Wang, JinRong 3 2020 Analysis of a stochastic Holling type II predator-prey model under regime switching. Zbl 1441.34058Jiang, Xiaobo; Zu, Li; Jiang, Daqing; O’Regan, Donal 3 2020 Approximation of mild solutions of a semilinear fractional differential equation with random noise. Zbl 1443.35176Tuan, Nguyen Huy; Nane, Erkan; O’Regan, Donal; Phuong, Nguyen Duc 3 2020 Positive almost periodic solution for a noninstantaneous impulsive Lasota-Wazewska model. Zbl 1451.34104Li, Mengmeng; Wang, JinRong; O’Regan, Donal 3 2020 Ulam type stability of first-order linear impulsive fuzzy differential equations. Zbl 1464.34013Liu, Rui; Wang, JinRong; O’Regan, Donal 3 2020 Bilevel equilibrium problems with lower and upper bounds in locally convex Hausdorff topological vector spaces. Zbl 1427.90249Hung, Nguyen Van; O’Regan, Donal 3 2020 Existence, uniqueness and continuous dependence of solutions to conformable stochastic differential equations. Zbl 1490.35529Xiao, Guanli; Wang, JinRong; O’Regan, Donal 3 2020 Existence and Ulam stability of solutions for conformable impulsive differential equations. Zbl 1458.34028Qiu, Wanzheng; Wang, JinRong; O’Regan, Donal 2 2020 Finite approximate controllability of Hilfer fractional semilinear differential equations. Zbl 1474.93022Wang, JinRong; Ibrahim, A. G.; O’Regan, Donal 2 2020 Harnack type inequalities and multiple solutions in cones of nonlinear problems. Zbl 1444.47065Herlea, Diana-Raluca; O’Regan, Donal; Precup, Radu 2 2020 Well-posedness results for a class of semilinear time-fractional diffusion equations. Zbl 1462.35435de Andrade, Bruno; Van Au, Vo; O’Regan, Donal; Tuan, Nguyen Huy 2 2020 On the well-posedness of a nonlinear pseudo-parabolic equation. Zbl 1460.35212Tuan, Nguyen Huy; Au, Vo Van; Tri, Vo Viet; O’Regan, Donal 1 2020 Regularized solution for a biharmonic equation with discrete data. Zbl 1439.65135Thach, Tran Ngoc; Tuan, Nguyen Huy; O’Regan, Donal 1 2020 Existence and Ulam type stability for nonlinear Riemann-Liouville fractional differential equations with constant delay. Zbl 1474.34533Agarwal, Ravi P.; Hristova, Snezhana; O’Regan, Donal 1 2020 On existence and regularity of a terminal value problem for the time fractional diffusion equation. Zbl 1469.35233Tuan, Nguyen Huy; Ngoc, Tran Bao; Zhou, Yong; O’Regan, Donal 1 2020 Coincidence theory for multivalued maps satisfying compactness conditions on countable sets. Zbl 1432.54016O’Regan, Donal 1 2020 Periodicity of non-homogeneous trajectories for non-instantaneous impulsive heat equations. Zbl 1430.34021Yang, Peng; Wang, Jinrong; O’Regan, Donal 1 2020 Center manifolds for non-instantaneous impulsive equations under nonuniform hyperbolicity. Zbl 1466.34041Li, Mengmeng; Wang, JinRong; O’Regan, Donal; Fečkan, Michal 1 2020 Coincidence results for compositions of multivalued maps based on countable compactness principles. Zbl 1460.54051O’Regan, Donal 1 2020 A filter method for inverse nonlinear sideways heat equation. Zbl 1482.35105Anh Triet, Nguyen; O’Regan, Donal; Baleanu, Dumitru; Hoang Luc, Nguyen; Can, Nguyen 1 2020 \(C^\ast\)-algebra valued fuzzy normed spaces with application of Hyers-Ulam stability of a random integral equation. Zbl 1485.45013Chaharpashlou, R.; O’Regan, Donal; Park, Choonkil; Saadati, Reza 1 2020 Ulam-Hyers-Mittag-Leffler stability for \(\psi\)-Hilfer fractional-order delay differential equations. Zbl 1458.34128Liu, Kui; Wang, JinRong; O’Regan, Donal 22 2019 Existence and Ulam’s stability for conformable fractional differential equations with constant coefficients. Zbl 1422.34047Li, Mengmeng; Wang, JinRong; O’Regan, D. 18 2019 Relative controllability of delay differential systems with impulses and linear parts defined by permutable matrices. Zbl 1410.34235You, Zhongli; Wang, Jinrong; O’Regan, Donal; Zhou, Yong 13 2019 Calculus of fuzzy vector-valued functions and almost periodic fuzzy vector-valued functions on time scales. Zbl 1423.26059Wang, Chao; Agarwal, Ravi P.; O’Regan, Donal 12 2019 Iterative learning control for differential inclusions of parabolic type with noninstantaneous impulses. Zbl 1428.93052Liu, Shengda; Wang, JinRong; Shen, Dong; O’Regan, Donal 9 2019 A higher integrability theorem from a reverse weighted inequality. Zbl 1441.26010Saker, Samir; O’Regan, Donal; Agarwal, Ravi 8 2019 Positive solutions for a system of nonlinear Hadamard fractional differential equations involving coupled integral boundary conditions. Zbl 1499.34182Jiang, Jiqiang; O’Regan, Donal; Xu, Jiafa; Fu, Zhengqing 8 2019 Fixed point theory for countably weakly condensing maps and multimaps in non-separable Banach spaces. Zbl 07008100Ben Amar, Afif; Derbel, Saoussen; O’Regan, Donal; Xiang, Tian 7 2019 Levinson type inequalities and their extensions via convexity on time scales. (Levinson type inequalitis and their extensions via convexity on time scales.) Zbl 1409.26016Saker, S. H.; Osman, M. M.; O’Regan, D.; Agarwal, R. P. 7 2019 Hyers-Ulam stability for linear differences with time dependent and periodic coefficients. Zbl 1425.39015Buşe, Constantin; O’Regan, Donal; Saierli, Olivia 6 2019 Asymptotical consensus of fractional-order multi-agent systems with current and delay states. Zbl 1430.34072Wang, Xuhui; Li, Xuesong; Huang, Nanjing; O’Regan, D. 6 2019 Exponential stability and relative controllability of nonsingular delay systems. Zbl 1416.93173You, Zhongli; Wang, JinRong; O’Regan, D. 6 2019 Nonemptyness and compactness of the solution set for fractional evolution inclusions with non-instantaneous impulses. Zbl 1411.34022Wang, Jinrong; Ibrahim, Ahmed G.; O’Regan, Donal 6 2019 On the Hermite-Hadamard type inequality for \(\psi\)-Riemann-Liouville fractional integrals via convex functions. Zbl 1499.26144Liu, Kui; Wang, JinRong; O’Regan, Donal 6 2019 Basic concepts of Riemann-Liouville fractional differential equations with non-instantaneous impulses. Zbl 1425.34003Agarwal, Ravi; Hristova, Snezhana; O’Regan, Donal 5 2019 Periodic solution for a stochastic non-autonomous predator-prey model with Holling II functional response. Zbl 1440.35351Zu, Li; Jiang, Daqing; O’Regan, Donal 5 2019 Asymptotically periodic behavior of solutions of fractional evolution equations of order \(1<\alpha <2\). Zbl 07093133Ren, Lulu; Wang, Jinrong; O’Regan, Donal 5 2019 Nontrivial solutions for a higher order nonlinear fractional boundary value problem involving Riemann-Liouville fractional derivatives. Zbl 1425.34031Zhang, Keyu; O’Regan, Donal; Xu, Jiafa; Fu, Zhengqing 5 2019 Global attracting solutions to hilfer fractional differential inclusions of Sobolev type with noninstantaneous impulses and nonlocal conditions. Zbl 07114670Wang, Jinrong; Ibrahim, Ahmed Gamal; O’Regan, Donal 5 2019 Controllability of Hilfer fractional noninstantaneous impulsive semilinear differential inclusions with nonlocal conditions. Zbl 1439.34015Wang, JinRong; Ibrahim, Gamal; O’Regan, Donal 5 2019 Infinitely many solutions for fractional Schrödinger-Maxwell equations. Zbl 1465.35144Xu, Jiafa; Wei, Zhongli; O’Regan, Donal; Cui, Yujun 4 2019 Positive solutions for a nonlinear discrete fractional boundary value problem with a \(p\)-Laplacian operator. Zbl 1464.39005Cheng, Wei; Xu, Jiafa; O’Regan, Donal; Cui, Yujun 4 2019 On the approximate controllability for Hilfer fractional evolution hemivariational inequalities. Zbl 1412.34193Wang, JinRong; Liu, Xianghu; O’Regan, D. 4 2019 A new method to prove the nonuniform dichotomy spectrum theorem in \(\mathbb{R}^n\). Zbl 1432.34074Xia, Yonghui; Bai, Yuzhen; O’Regan, Donal 4 2019 Hyers-Ulam stability for linear differences with time dependent and periodic coefficients: the case when the monodromy matrix has simple eigenvalues. Zbl 1423.34070Buşe, Constantin; O’Regan, Donal; Saierli, Olivia 4 2019 Inertial manifold for semi-linear non-instantaneous impulsive parabolic equations in an admissible space. Zbl 07264431Yang, Peng; Wang, JinRong; O’Regan, Donal; Fečkan, Michal 3 2019 Lyapunov-type inequalities for coupled systems of nonlinear fractional differential equations via a fixed point approach. Zbl 1453.26015Jleli, Mohamed; O’Regan, Donal; Samet, Bessem 3 2019 On the approximate controllability for fractional evolution inclusions of Sobolev and Clarke subdifferential type. Zbl 1417.93074Liu, Xianghu; Wang, JinRong; O’Regan, D. 3 2019 Abstract Leray-Schauder type alternatives and extensions. Zbl 1436.54037O’Regan, Donal 3 2019 Mittag-Leffler stability for non-instantaneous impulsive Caputo fractional differential equations with delays. Zbl 07093132Agarwal, Ravi; Hristova, Snezhana; O’Regan, Donal 3 2019 A fixed point theorem in uniform spaces generated by a family of \(b\)-pseudometrics. Zbl 1489.54116Faraji, Hamid; Nourouzi, Kourosh; O’Regan, Donal 3 2019 Weakly demicompact linear operators and axiomatic measures of weak noncompactness. Zbl 1486.47008Krichen, Bilel; O’Regan, Donal 2 2019 Topological fixed point theory for compact multifunctions via homotopy and essential maps. Zbl 1427.54061O’Regan, Donal 2 2019 Nontrivial solutions for an integral boundary value problem involving Riemann-Liouville fractional derivatives. Zbl 1499.34139Fu, Zhengqing; Bai, Shikun; O’Regan, Donal; Xu, Jiafa 2 2019 Existence and uniqueness of mild solutions for a final value problem for nonlinear fractional diffusion systems. Zbl 1476.35313Ngoc, Tran Bao; Tuan, Nguyen Huy; O’Regan, Donal 1 2019 Lyapunov regularity and stability of linear non-instantaneous impulsive differential systems. Zbl 1476.34056Wang, JinRong; Li, Mengmeng; O’Regan, Donal 1 2019 ...and 1034 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 6,059 Authors 595 O’Regan, Donal 447 Agarwal, Ravi P. 125 Wang, Jinrong 109 Jiang, Daqing 104 Ahmad, Bashir 90 Ge, Weigao 85 Nieto Roig, Juan Jose 85 Ntouyas, Sotiris K. 77 Al-saedi, Ahmed Eid Salem 74 Liu, Lishan 65 Li, Tongxing 63 Graef, John R. 63 Wong, Patricia J. Y. 62 Băleanu, Dumitru I. 62 Grace, Said Rezk 61 Benchohra, Mouffak 56 Samet, Bessem 55 Saker, Samir H. 55 Zhou, Yong 54 Wu, Yonghong 51 Ma, Ruyun 50 Henderson, Johnny Lee 45 Kumam, Poom 44 Bohner, Martin J. 43 Shi, Haiping 42 Abdeljawad, Thabet 42 Hussain, Nawab 39 Khristova, Snezhana G. 37 Fečkan, Michal 37 Liu, Wenbin 36 Cabada, Alberto 35 Cho, Yeol Je 35 Precup, Radu 35 Sadarangani, Kishin B. 35 Staněk, Svatoslav 34 Cui, Yujun 34 Kong, Lingju 34 Nashine, Hemant Kumar 34 Wei, Zhongli 34 Xu, Jiafa 33 Abbas, Mujahid 33 Chen, Haibo 33 Karapınar, Erdal 33 Wang, Chao 32 Feng, Meiqiang 32 Liu, Yansheng 32 Tian, Yu 31 Heidarkhani, Shapour 31 Saadati, Reza 31 Zhang, Chenghui 30 Banaś, Józef 30 Rachůnková, Irena 30 Tariboon, Jessada 30 Yan, Baoqiang 30 Zhang, Xinguang 29 Han, Zhenlai 29 Imdad, Mohammad 29 Liu, Xia 29 Liu, Yuji 29 Minhós, Feliz Manuel 28 de la Sen, Manuel 28 Papageorgiou, Nikolaos S. 27 Luo, Zhiguo 27 Rezapour, Shahram 27 Zhang, Xuemei 25 Aydi, Hassen Mohamed 25 Hayat, Tasawar 25 Hernández, Eduardo M. 25 Liu, Zhenhai 25 Ngo Van Hoa 25 Ouahab, Abdelghani 25 Radenovic, Stojan 25 Shahzad, Naseer 25 Sun, Shurong 25 Zhang, Yuanbiao 24 Abbas, Said 24 Alzabut, Jehad O. 23 Jleli, Mohamed Boussairi 23 Kang, Shin Min 23 Li, Yongkun 23 Perera, Kanishka 23 Ullah, Kifayat 22 Abbas, Syed 22 Chu, Jifeng 22 Huang, Nan-Jing 22 Li, Yongxiang 22 Wang, Qiru 21 Altun, Ishak 21 Anderson, Douglas Robert 21 Mahmudov, Nazim Idrisoglu 21 Pei, Minghe 21 Sahu, Daya Ram 21 Shen, Jianhua 21 Wang, Guotao 21 Yan, Zuomao 21 Zada, Akbar 20 Ahmad, Junaid 20 Bai, Zhanbing 20 Bazighifan, Omar 20 Darwish, Mohamed Abdalla ...and 5,959 more Authors all top 5 Cited in 460 Serials 592 Advances in Difference Equations 404 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 367 Journal of Mathematical Analysis and Applications 365 Applied Mathematics and Computation 343 Boundary Value Problems 287 Abstract and Applied Analysis 259 Computers & Mathematics with Applications 249 Fixed Point Theory and Applications 225 Applied Mathematics Letters 162 Journal of Inequalities and Applications 148 Journal of Applied Mathematics and Computing 133 Journal of Computational and Applied Mathematics 126 Journal of Function Spaces 113 Journal of Fixed Point Theory and Applications 108 Mathematical and Computer Modelling 102 Discrete Dynamics in Nature and Society 88 Mediterranean Journal of Mathematics 86 Applicable Analysis 81 Chaos, Solitons and Fractals 76 Journal of Difference Equations and Applications 72 Communications in Nonlinear Science and Numerical Simulation 69 Filomat 69 Nonlinear Analysis. Real World Applications 64 Journal of Nonlinear Science and Applications 56 Mathematical Methods in the Applied Sciences 54 Fractional Calculus & Applied Analysis 53 AIMS Mathematics 51 Physica A 51 Journal of Differential Equations 48 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 47 Rocky Mountain Journal of Mathematics 46 Journal of the Franklin Institute 44 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 43 Numerical Functional Analysis and Optimization 43 Nonlinear Analysis. Theory, Methods & Applications 42 Journal of Applied Mathematics 39 Fuzzy Sets and Systems 39 Acta Applicandae Mathematicae 39 Mathematical Problems in Engineering 37 Computational and Applied Mathematics 35 Results in Mathematics 33 Journal of Optimization Theory and Applications 33 Proceedings of the American Mathematical Society 33 Open Mathematics 32 Journal of Integral Equations and Applications 32 Discrete and Continuous Dynamical Systems. Series B 32 International Journal of Differential Equations 31 Nonlinear Analysis. Modelling and Control 31 Journal of Mathematics 28 International Journal of Mathematics and Mathematical Sciences 28 Differential Equations and Dynamical Systems 25 Afrika Matematika 24 Qualitative Theory of Dynamical Systems 24 Advances in Mathematical Physics 23 Mathematica Slovaca 23 Complexity 22 Demonstratio Mathematica 22 Positivity 22 Thai Journal of Mathematics 21 Mathematische Nachrichten 21 Rendiconti del Circolo Matemàtico di Palermo. Serie II 20 Bulletin of the Australian Mathematical Society 20 Bulletin of the Iranian Mathematical Society 20 Turkish Journal of Mathematics 20 Mathematical Sciences 19 Ukrainian Mathematical Journal 19 Acta Mathematicae Applicatae Sinica. English Series 19 International Journal of Nonlinear Sciences and Numerical Simulation 19 International Journal of Biomathematics 19 Journal of Applied Analysis and Computation 18 Stochastic Analysis and Applications 18 Acta Mathematica Sinica. English Series 18 Fixed Point Theory 17 Monatshefte für Mathematik 17 Zeitschrift für Analysis und ihre Anwendungen 16 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 16 Czechoslovak Mathematical Journal 16 Optimization 16 Asian-European Journal of Mathematics 15 International Journal of Computer Mathematics 15 Journal of Mathematical Sciences (New York) 15 Electronic Journal of Differential Equations (EJDE) 15 Georgian Mathematical Journal 15 Nonlinear Dynamics 14 Applied Numerical Mathematics 14 Applied Mathematical Modelling 14 The Journal of Analysis 14 Journal of the Egyptian Mathematical Society 14 Journal of Applied Analysis 14 Vietnam Journal of Mathematics 14 Nonlinear Analysis. Hybrid Systems 14 Discrete and Continuous Dynamical Systems. Series S 14 International Journal of Applied and Computational Mathematics 13 Applications of Mathematics 13 Bulletin des Sciences Mathématiques 13 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 13 Acta Mathematica Scientia. Series B. (English Edition) 13 Complex Variables and Elliptic Equations 12 Journal of Mathematical Physics 12 Information Sciences ...and 360 more Serials all top 5 Cited in 60 Fields 4,536 Ordinary differential equations (34-XX) 2,479 Operator theory (47-XX) 812 Difference and functional equations (39-XX) 779 General topology (54-XX) 702 Real functions (26-XX) 680 Partial differential equations (35-XX) 614 Integral equations (45-XX) 412 Biology and other natural sciences (92-XX) 363 Systems theory; control (93-XX) 356 Numerical analysis (65-XX) 286 Global analysis, analysis on manifolds (58-XX) 281 Probability theory and stochastic processes (60-XX) 265 Calculus of variations and optimal control; optimization (49-XX) 227 Dynamical systems and ergodic theory (37-XX) 129 Functional analysis (46-XX) 103 Operations research, mathematical programming (90-XX) 55 Approximations and expansions (41-XX) 52 Special functions (33-XX) 50 Mechanics of deformable solids (74-XX) 48 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 43 Statistical mechanics, structure of matter (82-XX) 35 Combinatorics (05-XX) 32 Measure and integration (28-XX) 30 Fluid mechanics (76-XX) 28 Algebraic topology (55-XX) 28 Computer science (68-XX) 27 Integral transforms, operational calculus (44-XX) 24 Abstract harmonic analysis (43-XX) 24 Mechanics of particles and systems (70-XX) 18 Sequences, series, summability (40-XX) 18 Harmonic analysis on Euclidean spaces (42-XX) 14 Linear and multilinear algebra; matrix theory (15-XX) 13 Mathematical logic and foundations (03-XX) 13 Convex and discrete geometry (52-XX) 12 Order, lattices, ordered algebraic structures (06-XX) 10 Number theory (11-XX) 10 Functions of a complex variable (30-XX) 10 Statistics (62-XX) 10 Quantum theory (81-XX) 9 Information and communication theory, circuits (94-XX) 7 General and overarching topics; collections (00-XX) 5 Group theory and generalizations (20-XX) 5 Manifolds and cell complexes (57-XX) 4 Algebraic geometry (14-XX) 4 Several complex variables and analytic spaces (32-XX) 4 Geophysics (86-XX) 3 Potential theory (31-XX) 3 Differential geometry (53-XX) 3 Classical thermodynamics, heat transfer (80-XX) 3 Relativity and gravitational theory (83-XX) 2 Associative rings and algebras (16-XX) 2 Geometry (51-XX) 2 Astronomy and astrophysics (85-XX) 1 History and biography (01-XX) 1 General algebraic systems (08-XX) 1 Field theory and polynomials (12-XX) 1 Commutative algebra (13-XX) 1 Nonassociative rings and algebras (17-XX) 1 \(K\)-theory (19-XX) 1 Optics, electromagnetic theory (78-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. Updates and corrections should be made in Wikidata.