Edit Profile (opens in new tab) Kong, Lingju Co-Author Distance Author ID: kong.lingju Published as: Kong, Lingju; Kong, L.; Kong, L. J. more...less External Links: MGP · Google Scholar · dblp Documents Indexed: 175 Publications since 2000, including 3 Books Co-Authors: 51 Co-Authors with 158 Joint Publications 1,114 Co-Co-Authors all top 5 Co-Authors 14 single-authored 98 Graef, John R. 42 Kong, Qingkai 32 Wang, Min 24 Heidarkhani, Shapour 13 Yang, Bo 7 Zhang, Binggen 6 Moradi, Shahin 6 Wong, James S. W. 5 Minhós, Feliz Manuel 3 Dhar, Sougata 3 Du, Zengji 3 Tian, Yu 2 Benmezaï, Abdelhamid 2 Chamberlain, Jeremy 2 Dogan, Abdulkadir 2 El Allali, Zakaria 2 Henderson, Johnny Lee 2 Johnson, Jacob D. 2 Liu, Xueyan 2 Liu, Xueyan Sherry 2 Ousbika, Mohamed 2 Ruddy, Michael G. 2 Ruys de Perez, Alexander M. 2 Wang, Haiyan 1 Barrow, Joshua 1 Belinsky, Boris P. 1 Deng, Xinghua 1 Deyeso, Robert III 1 Erbe, Lynn Harry 1 Feng, Yaqin 1 Fialho, João F. 1 Fu, Zhengmin 1 Gharehgazlouei, Fariba 1 Ghobadi, Ahmad 1 Graf, John R. 1 Kuang, Juhong 1 Kwong, Man Kam 1 Layne, Danielle 1 Ledoan, Andrew H. 1 Parsley, Jacob 1 Petronella, Frank 1 Piao, Daxiong 1 Rizzo, Kaitlin 1 Russell, Nicholas J. 1 Salari, Amjad 1 Sang, Yanbin 1 Sun, Yijun 1 Wang, Linshan 1 Wang, Xiaofei 1 Wu, Hongyou 1 Zettl, Anton all top 5 Serials 11 Applied Mathematics Letters 8 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 8 Results in Mathematics 8 Discrete and Continuous Dynamical Systems 7 Electronic Journal of Qualitative Theory of Differential Equations 6 Dynamic Systems and Applications 6 Electronic Journal of Differential Equations (EJDE) 6 Journal of Difference Equations and Applications 6 Differential Equations and Applications 5 Computers & Mathematics with Applications 5 Journal of Mathematical Analysis and Applications 5 Communications in Applied Analysis 4 Applicable Analysis 4 Applied Mathematics and Computation 4 Differential Equations and Dynamical Systems 4 Fractional Calculus & Applied Analysis 4 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 4 Journal of Applied Analysis and Computation 3 Rocky Mountain Journal of Mathematics 3 Mathematische Nachrichten 3 Proceedings of the Edinburgh Mathematical Society. Series II 3 Opuscula Mathematica 3 Nonlinear Studies 3 Minimax Theory and its Applications 3 Trends in Abstract and Applied Analysis 2 Mathematical Proceedings of the Cambridge Philosophical Society 2 Le Matematiche 2 Mathematica Bohemica 2 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 2 Topological Methods in Nonlinear Analysis 2 Communications on Applied Nonlinear Analysis 2 Nonlinear Dynamics and Systems Theory 2 Communications on Pure and Applied Analysis 2 Mediterranean Journal of Mathematics 1 Linear and Multilinear Algebra 1 Mathematical Methods in the Applied Sciences 1 Acta Scientiarum Mathematicarum 1 Czechoslovak Mathematical Journal 1 Indian Journal of Mathematics 1 Journal of Differential Equations 1 Mathematics and Computers in Simulation 1 Proceedings of the American Mathematical Society 1 Chinese Annals of Mathematics. Series A 1 Stochastic Analysis and Applications 1 Bulletin of the Iranian Mathematical Society 1 Mathematical and Computer Modelling 1 Indagationes Mathematicae. New Series 1 Journal of Mathematical Sciences (New York) 1 Journal of Applied Analysis 1 Taiwanese Journal of Mathematics 1 Qualitative Theory of Dynamical Systems 1 Mathematical Modelling and Analysis 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Journal of Applied Mathematics and Computing 1 Fixed Point Theory 1 Communications in Mathematical Analysis 1 International Journal of Difference Equations 1 Applicable Analysis and Discrete Mathematics 1 Science China. Mathematics 1 Fractional Differential Calculus all top 5 Fields 133 Ordinary differential equations (34-XX) 39 Operator theory (47-XX) 35 Difference and functional equations (39-XX) 25 Global analysis, analysis on manifolds (58-XX) 22 Partial differential equations (35-XX) 6 Calculus of variations and optimal control; optimization (49-XX) 5 Dynamical systems and ergodic theory (37-XX) 4 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 3 Biology and other natural sciences (92-XX) 2 History and biography (01-XX) 2 Functions of a complex variable (30-XX) 2 Functional analysis (46-XX) 2 Probability theory and stochastic processes (60-XX) 2 Numerical analysis (65-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Nonassociative rings and algebras (17-XX) 1 Real functions (26-XX) 1 Potential theory (31-XX) 1 Integral equations (45-XX) 1 Mechanics of particles and systems (70-XX) 1 Mechanics of deformable solids (74-XX) 1 Classical thermodynamics, heat transfer (80-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 147 Publications have been cited 1,451 times in 997 Documents Cited by ▼ Year ▼ Positive solutions for a class of higher order boundary value problems with fractional \(q\)-derivatives. Zbl 1254.34010 Graef, John R.; Kong, Lingju 74 2012 Existence, multiplicity, and dependence on a parameter for a periodic boundary value problem. Zbl 1203.34028 Graef, John R.; Kong, Lingju; Wang, Haiyan 72 2008 A variational approach to a Kirchhoff-type problem involving two parameters. Zbl 1275.35108 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 51 2013 Uniqueness of positive solutions of fractional boundary value problems with non-homogeneous integral boundary conditions. Zbl 1279.34007 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 44 2012 Existence of positive solutions for BVPs of fourth-order difference equations. Zbl 1025.39006 Zhang, Binggen; Kong, Lingju; Sun, Yijun; Deng, Xinghua 43 2002 Existence and uniqueness of solutions for a fractional boundary value problem on a graph. Zbl 1308.34012 Graef, John R.; Kong, Lingju; Wang, Min 43 2014 A periodic boundary value problem with vanishing Green’s function. Zbl 1135.34307 Graef, John R.; Kong, Lingju; Wang, Haiyan 37 2008 Second order singular boundary value problems with integral boundary conditions. Zbl 1188.34028 Kong, Lingju 36 2010 Multi-point boundary value problems of second-order differential equations. I. Zbl 1066.34012 Kong, Lingju; Kong, Qingkai 27 2004 Positive solutions for a semipositone fractional boundary value problem with a forcing term. Zbl 1284.34032 Graef, John R.; Kong, Lingju; Yang, Bo 27 2012 Positive solutions for third order semipositone boundary value problems. Zbl 1173.34313 Graef, John R.; Kong, Lingju 27 2009 Eigenvalues for a fourth order elliptic problem. Zbl 1317.35166 Kong, Lingju 26 2015 Existence of solutions to boundary value problems arising from the fractional advection dispersion equation. Zbl 1291.34016 Kong, Lingju 25 2013 Existence of positive solutions to a higher order singular boundary value problem with fractional \(q\)-derivatives. Zbl 1312.39014 Graef, John R.; Kong, Lingju 24 2013 Positive solutions for a fractional boundary value problem. Zbl 1335.34016 Graef, John R.; Kong, Lingju; Yang, Bo 24 2016 On a fourth order elliptic problem with a \(p(x)\)-biharmonic operator. Zbl 1317.35055 Kong, Lingju 23 2014 Higher order boundary value problems with \(\phi\)-Laplacian and functional boundary conditions. Zbl 1222.34020 Graef, John R.; Kong, Lingju; Minhós, Feliz M. 21 2011 Multiple solutions for fourth order elliptic problems with \(p(x)\)-biharmonic operators. Zbl 1339.35130 Kong, Lingju 20 2016 Second-order boundary value problems with nonhomogeneous boundary conditions. I. Zbl 1060.34005 Kong, Lingju; Kong, Qingkai 19 2005 Fractional boundary value problems with integral boundary conditions. Zbl 1385.34010 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 18 2013 Existence of multiple periodic solutions for first order functional differential equations. Zbl 1235.34190 Graef, John R.; Kong, Lingju 18 2011 Second-order boundary value problems with nonhomogeneous boundary conditions. II. Zbl 1119.34009 Kong, Lingju; Kong, Qingkai 17 2007 On the lower and upper solution method for higher order functional boundary value problems. Zbl 1289.34054 Graef, John R.; Kong, Lingju; Minhós, Feliz M.; Fialho, João 17 2011 Periodic solutions of first order functional differential equations. Zbl 1241.34077 Graef, John R.; Kong, Lingju 17 2011 Existence of solutions to a discrete fourth order boundary value problem. Zbl 1391.39006 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Wang, Min 17 2018 Positive solutions of boundary value problems for third-order functional difference equations. Zbl 1057.39014 Kong, Lingju; Kong, Qingkai; Zhang, Binggen 16 2002 Existence of multiple solutions to a discrete fourth order periodic boundary value problem. Zbl 1307.39004 Graef, John R.; Kong, Lingju; Wang, Min 16 2013 Necessary and sufficient conditions for the existence of symmetric positive solutions of multi-point boundary value problems. Zbl 1139.34017 Graef, John R.; Kong, Lingju 15 2008 Homoclinic solutions for a second order difference equation with \(p\)-Laplacian. Zbl 1338.39017 Kong, Lingju 15 2014 Higher order boundary value problems with nonhomogeneous boundary conditions. Zbl 1191.34032 Kong, Lingju; Kong, Qingkai 15 2010 Necessary and sufficient conditions for the existence of symmetric positive solutions of singular boundary value problems. Zbl 1119.34017 Graef, John R.; Kong, Lingju 14 2007 Solutions of second order multi-point boundary value problems. Zbl 1166.34007 Graef, John R.; Kong, Lingju 14 2008 Infinitely many solutions for systems of Sturm-Liouville boundary value problems. Zbl 1314.34056 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 14 2014 Symmetric positive solutions of nonlinear boundary value problems. Zbl 1117.34024 Graef, John R.; Kong, Lingju; Kong, Qingkai 14 2007 Higher-order singular multi-point boundary-value problems on time scales. Zbl 1223.34122 Dogan, Abdulkadir; Graef, John R.; Kong, Lingju 14 2011 Positive solutions of higher-order boundary-value problems. Zbl 1084.34023 Kong, Lingju; Kong, Qingkai 13 2005 A necessary and sufficient condition for existence of positive solutions of nonlinear boundary value problems. Zbl 1119.34020 Graef, John R.; Kong, Lingju 13 2007 A critical points approach for the existence of multiple solutions of a Dirichlet quasilinear system. Zbl 1244.34024 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 13 2012 A Chebyshev spectral method for solving Riemann-Liouville fractional boundary value problems. Zbl 1337.65104 Graef, John R.; Kong, Lingju; Wang, Min 13 2014 Regular approximations of singular Sturm-Liouville problems with limit-circle endpoints. Zbl 1088.34018 Kong, L.; Kong, Q.; Wu, H.; Zettl, A. 12 2004 Existence and uniqueness of solutions for a fractional boundary value problem with Dirichlet boundary condition. Zbl 1340.34015 Graef, John; Kong, Lingju; Kong, Qingkai; Wang, Min 12 2013 Higher order semipositone multi-point boundary value problems on time scales. Zbl 1198.34193 Dogan, Abdulkadir; Graef, John R.; Kong, Lingju 12 2010 Multiple solutions for a class of \((p_1, \dots, p_n)\)-biharmonic systems. Zbl 1268.35049 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 12 2013 Positive solutions to a fourth order boundary value problem. Zbl 1218.34024 Graef, John R.; Kong, Lingju; Kong, Qingkai; Yang, Bo 12 2011 Infinitely many solutions for systems of multi-point boundary value problems using variational methods. Zbl 1292.34018 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 11 2013 Nodal solutions of multi-point boundary value problems. Zbl 1195.34028 Kong, Lingju; Kong, Qingkai; Wong, James S. W. 11 2010 Existence of solutions for a higher order multi-point boundary value problem. Zbl 1173.34008 Graef, John R.; Kong, Lingju; Yang, Bo 10 2009 Infinitely many periodic solutions to a class of perturbed second-order impulsive Hamiltonian systems. Zbl 1387.34064 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 10 2017 Asymptotic solutions of singularly perturbed second-order differential equations and application to multi-point boundary value problems. Zbl 1200.34061 Du, Zengji; Kong, Lingju 10 2010 Existence results for nonlinear periodic boundary-value problems. Zbl 1178.34024 Graef, John R.; Kong, Lingju 9 2009 Homoclinic solutions for a higher order difference equation with \(p\)-Laplacian. Zbl 1331.39004 Kong, Lingju 9 2016 Uniqueness and parameter dependence of positive solutions of a discrete fourth-order problem. Zbl 1277.39011 Graef, John R.; Kong, Lingju; Wang, Min; Yang, Bo 9 2013 Higher order multi-point boundary value problems. Zbl 1222.34019 Graef, John R.; Kong, Lingju; Kong, Qingkai 9 2011 On a fractional boundary value problem with a perturbation term. Zbl 1474.34169 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 9 2017 Generalized Hammerstein equations and applications. Zbl 1371.45008 Graef, John; Kong, Lingju; Minhós, Feliz 9 2017 Application of the mixed monotone operator method to fractional boundary value problems. Zbl 1412.34086 Graef, John R.; Kong, Lingju; Kong, Qingkai 9 2012 Existence of solutions for nonlinear boundary value problems. Zbl 1145.34007 Graef, John R.; Kong, Lingju 8 2007 Nodal solutions of boundary value problems with boundary conditions involving Riemann-Stieltjes integrals. Zbl 1220.34027 Chamberlain, Jeremy; Kong, Lingju; Kong, Qingkai 8 2011 Nodal solutions of second order nonlinear boundary value problems. Zbl 1189.34043 Kong, Lingju; Kong, Qingkai 8 2009 Positive solutions for abstract Hammerstein equations and applications. Zbl 1296.47056 Benmezai, Abdelhamid; Graef, John R.; Kong, Lingju 8 2014 Multiple solutions of systems of fractional boundary value problems. Zbl 1323.34007 Graef, John R.; Kong, Lingju; Kong, Qingkai 8 2015 Positive solutions for higher order multi-point boundary value problems with nonhomogeneous boundary conditions. Zbl 1197.34035 Kong, Lingju; Wong, James S. W. 8 2010 Existence of solutions to a discrete fourth order periodic boundary value problem. Zbl 1466.39009 Graef, John R.; Kong, Lingju; Liu, Xueyan 8 2016 Stability analysis of a fractional online social network model. Zbl 1523.91025 Graef, John R.; Kong, Lingju; Ledoan, Andrew; Wang, Min 8 2020 Positive solutions of nonlinear \(m\)-point boundary value problems on a measure chain. Zbl 1037.34015 Kong, Lingju; Kong, Qingkai 7 2003 Linear Sturm-Liouville problems with multi-point boundary conditions. Zbl 1286.34048 Kong, Lingju; Kong, Qingkai; Kwong, Man K.; Wong, James S. W. 7 2013 A critical points approach to multiplicity results for multi-point boundary value problems. Zbl 1232.34031 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 7 2011 Solutions of a class of discrete fourth order boundary value problems. Zbl 1384.39003 Kong, Lingju 7 2018 First-order singular boundary value problems with \(p\)-Laplacian on time scales. Zbl 1223.34123 Graef, John R.; Kong, Lingju 7 2011 Multiple and particular solutions of a second order discrete boundary value problem with mixed periodic boundary conditions. Zbl 1474.39036 Kong, Lingju; Wang, Min 6 2020 Existence results for impulsive fractional differential equations with \(p\)-Laplacian via variational methods. Zbl 1538.34113 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 6 2022 On a generalized discrete beam equation via variational methods. Zbl 1278.39005 Graef, John R.; Kong, Lingju; Kong, Qingkai 6 2012 Even order nonlinear eigenvalue problems on a measure chain. Zbl 1024.34021 Kong, Lingju; Kong, Qingkai 5 2003 Positive solutions of nonlocal fractional boundary value problems. Zbl 1310.34006 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 5 2013 Positive solutions of fourth order singular boundary value problems. Zbl 1017.34016 Zhang, B. G.; Kong, Lingju 5 2000 Positive solutions for third order multi-point singular boundary value problems. Zbl 1224.34060 Graef, John R.; Kong, Lingju; Yang, Bo 5 2010 Solutions of a nonlinear fourth order periodic boundary value problem for difference equations. Zbl 1264.39002 Graef, John R.; Kong, Lingju; Wang, Min 5 2013 Nontrivial solutions for systems of Sturm-Liouville boundary value problems. Zbl 1305.34044 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 5 2014 The forward and inverse problems for a fractional boundary value problem. Zbl 1408.34007 Feng, Yaqin; Graef, John R.; Kong, Lingju; Wang, Min 5 2018 Existence of homoclinic solutions for second order difference equations with \(p\)-Laplacian. Zbl 1335.39007 Wang, Min; Kong, Lingju; Graef, John 5 2015 Positive solutions of a nonlinear higher order boundary-value problem. Zbl 1198.34029 Graef, John R.; Kong, Lingju; Yang, Bo 5 2009 Periodic solutions for functional differential equations with sign-changing nonlinearities. Zbl 1200.34077 Graef, John R.; Kong, Lingju 5 2010 Homoclinic solutions for a higher order difference equation. Zbl 1409.39011 Kong, Lingju 5 2018 Three solutions for impulsive fractional boundary value problems with \(p\)-Laplacian. Zbl 1505.34012 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 5 2022 Existence of solutions for a second order discrete boundary value problem with mixed periodic boundary conditions. Zbl 1440.39005 Kong, Lingju; Wang, Min 5 2020 Multi-point boundary value problems of second-order differential equations. II. Zbl 1140.34008 Kong, Lingju; Kong, Qingkai 4 2007 A telescoping principle for oscillation of second order differential equations on a time scale. Zbl 1156.34021 Erbe, Lynn; Kong, Lingju; Kong, Qingkai 4 2006 Positive solutions to a two point singular boundary value problem. Zbl 1239.34025 Benmezai, Abdelhamid; Graef, John R.; Kong, Lingju 4 2011 Nontrivial periodic solutions to second-order impulsive Hamiltonian systems. Zbl 1329.34085 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2015 Multiple solutions for systems of multi-point boundary value problems. Zbl 1287.34011 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2013 A degenerate elliptic system with variable exponents. Zbl 1418.35182 Kong, Lingju 4 2019 Anti-periodic solutions for a higher order difference equation with \(p\)-Laplacian. Zbl 1386.39002 Kong, Lingju; Parsley, Jacob; Rizzo, Kaitlin; Russell, Nicholas 4 2017 Multiple solutions for systems of Sturm-Liouville boundary value problems. Zbl 1360.34056 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2016 Nontrivial solutions of a Dirichlet boundary value problem with impulsive effects. Zbl 1365.34054 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2016 Existence of nodal solutions of multi-point boundary value problems. Zbl 1236.34027 Kong, Lingju; Kong, Qingkai 4 2009 Existence of three solutions for sytems of multi-point boundary value problems. Zbl 1201.34030 Du, Zengji; Kong, Lingju 4 2009 Positive solutions for a class of singular discrete Dirichlet problems with a parameter. Zbl 1448.39019 Kuang, Juhong; Kong, Lingju 4 2020 Existence of positive solutions to fourth-order singular boundary value problems. Zbl 0989.34013 Zhang, Binggen; Kong, Lingju 3 2001 Right-definite half-linear Sturm-Liouville problems. Zbl 1131.34020 Kong, Lingju; Kong, Qingkai 3 2007 Existence of solutions to an impulsive Dirichlet boundary value problem. Zbl 1391.34062 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 3 2018 Multiple solutions to a quasilinear periodic boundary value problem with impulsive effects. Zbl 07911172 Graf, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 1 2024 Deterministic and stochastic online social network models with varying population size. Zbl 1523.34051 Kong, Lingju; Wang, Min 1 2023 Existence and multiplicity of solutions to a fractional \(p\)-Laplacian elliptic Dirichlet problem. Zbl 1529.35547 Gharehgazlouei, Fariba; Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 1 2023 Existence results for impulsive fractional differential equations with \(p\)-Laplacian via variational methods. Zbl 1538.34113 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 6 2022 Three solutions for impulsive fractional boundary value problems with \(p\)-Laplacian. Zbl 1505.34012 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 5 2022 Existence of multiple solutions to a discrete fourth order periodic boundary value problem via variational method. Zbl 1500.39005 Dhar, Sougata; Kong, Lingju 2 2022 Existence of homoclinic solutions for the discrete \(p(k)\)-Laplacian operator. Zbl 1484.39014 El Allali, Zakaria; Kong, Lingju; Ousbika, Mohamed 1 2022 Multiple solutions for a nonlinear discrete problem of the second order. Zbl 1499.39061 Kong, Lingju; Wang, Min 1 2022 Existence of multiple solutions to a \(p\)-Kirchhoff problem. Zbl 1499.35013 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Ghobadi, Ahmad 1 2022 Multiple weak solutions of biharmonic systems. Zbl 1490.35146 Kong, Lingju; Nichols, Roger 1 2022 On an anisotropic discrete boundary value problem of Kirchhoff type. Zbl 1476.39016 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Moradi, Shahin 3 2021 A variational framework for a second order discrete boundary value problem with mixed periodic boundary conditions. Zbl 1468.39004 Graef, John R.; Kong, Lingju; Wang, Min 2 2021 On a discrete elliptic problem with a weight. Zbl 07905142 Ousbika, Mohamed; El Allali, Zakaria; Kong, Lingju 2 2021 Uniqueness of weak solutions for a biharmonic problem. Zbl 1479.35320 Kong, Lingju; Sang, Yanbin 1 2021 On principal eigenvalues of biharmonic systems. Zbl 1460.35247 Kong, Lingju; Nichols, Roger 1 2021 Stability analysis of a fractional online social network model. Zbl 1523.91025 Graef, John R.; Kong, Lingju; Ledoan, Andrew; Wang, Min 8 2020 Multiple and particular solutions of a second order discrete boundary value problem with mixed periodic boundary conditions. Zbl 1474.39036 Kong, Lingju; Wang, Min 6 2020 Existence of solutions for a second order discrete boundary value problem with mixed periodic boundary conditions. Zbl 1440.39005 Kong, Lingju; Wang, Min 5 2020 Positive solutions for a class of singular discrete Dirichlet problems with a parameter. Zbl 1448.39019 Kuang, Juhong; Kong, Lingju 4 2020 Infinitely many solutions for anisotropic discrete boundary value problems of Kirchhoff type. Zbl 1454.39004 Graef, John R.; Kong, Lingju; Heidarkhani, Shapour; Moradi, Shahin 2 2020 A degenerate elliptic system with variable exponents. Zbl 1418.35182 Kong, Lingju 4 2019 Multiple anti-periodic solutions to a discrete fourth order nonlinear equation. Zbl 1428.39019 Graef, John R.; Kong, Lingju; Liu, Xueyan 2 2019 Three weak solutions to a degenerate quasilinear elliptic system. Zbl 1427.35052 Heidarkhani, Shapour; Graef, John R.; Kong, Lingju; Salari, Amjad 1 2019 Existence of solutions to a discrete fourth order boundary value problem. Zbl 1391.39006 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju; Wang, Min 17 2018 Solutions of a class of discrete fourth order boundary value problems. Zbl 1384.39003 Kong, Lingju 7 2018 The forward and inverse problems for a fractional boundary value problem. Zbl 1408.34007 Feng, Yaqin; Graef, John R.; Kong, Lingju; Wang, Min 5 2018 Homoclinic solutions for a higher order difference equation. Zbl 1409.39011 Kong, Lingju 5 2018 Existence of solutions to an impulsive Dirichlet boundary value problem. Zbl 1391.34062 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 3 2018 Ordinary differential equations and boundary value problems. Volume I: Advanced ordinary differential equations. Zbl 1405.34001 Graef, John R.; Henderson, Johnny; Kong, Lingju; Liu, Xueyan Sherry 1 2018 Infinitely many periodic solutions to a class of perturbed second-order impulsive Hamiltonian systems. Zbl 1387.34064 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 10 2017 On a fractional boundary value problem with a perturbation term. Zbl 1474.34169 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 9 2017 Generalized Hammerstein equations and applications. Zbl 1371.45008 Graef, John; Kong, Lingju; Minhós, Feliz 9 2017 Anti-periodic solutions for a higher order difference equation with \(p\)-Laplacian. Zbl 1386.39002 Kong, Lingju; Parsley, Jacob; Rizzo, Kaitlin; Russell, Nicholas 4 2017 Weak solutions for nonlinear Neumann boundary value problems with \(p(x)\)-Laplacian operators. Zbl 1390.35098 Kong, Lingju 2 2017 Positive solutions for a fractional boundary value problem. Zbl 1335.34016 Graef, John R.; Kong, Lingju; Yang, Bo 24 2016 Multiple solutions for fourth order elliptic problems with \(p(x)\)-biharmonic operators. Zbl 1339.35130 Kong, Lingju 20 2016 Homoclinic solutions for a higher order difference equation with \(p\)-Laplacian. Zbl 1331.39004 Kong, Lingju 9 2016 Existence of solutions to a discrete fourth order periodic boundary value problem. Zbl 1466.39009 Graef, John R.; Kong, Lingju; Liu, Xueyan 8 2016 Multiple solutions for systems of Sturm-Liouville boundary value problems. Zbl 1360.34056 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2016 Nontrivial solutions of a Dirichlet boundary value problem with impulsive effects. Zbl 1365.34054 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2016 Three solutions for second-order impulsive differential inclusions with Sturm-Liouville boundary conditions via nonsmooth critical point theory. Zbl 1364.58006 Tian, Yu; Graef, John R.; Kong, Lingju; Wang, Min 2 2016 Positive radial solutions for quasilinear biharmonic equations. Zbl 1368.35101 Kong, Lingju 1 2016 Eigenvalues for a fourth order elliptic problem. Zbl 1317.35166 Kong, Lingju 26 2015 Multiple solutions of systems of fractional boundary value problems. Zbl 1323.34007 Graef, John R.; Kong, Lingju; Kong, Qingkai 8 2015 Existence of homoclinic solutions for second order difference equations with \(p\)-Laplacian. Zbl 1335.39007 Wang, Min; Kong, Lingju; Graef, John 5 2015 Nontrivial periodic solutions to second-order impulsive Hamiltonian systems. Zbl 1329.34085 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2015 Positive radially symmetric solution for a system of quasilinear biharmonic equations in the plane. Zbl 1315.35093 Barrow, Joshua; Deyeso, Robert III; Kong, Lingju; Petronella, Frank 3 2015 Existence and uniqueness of solutions for a fractional boundary value problem on a graph. Zbl 1308.34012 Graef, John R.; Kong, Lingju; Wang, Min 43 2014 On a fourth order elliptic problem with a \(p(x)\)-biharmonic operator. Zbl 1317.35055 Kong, Lingju 23 2014 Homoclinic solutions for a second order difference equation with \(p\)-Laplacian. Zbl 1338.39017 Kong, Lingju 15 2014 Infinitely many solutions for systems of Sturm-Liouville boundary value problems. Zbl 1314.34056 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 14 2014 A Chebyshev spectral method for solving Riemann-Liouville fractional boundary value problems. Zbl 1337.65104 Graef, John R.; Kong, Lingju; Wang, Min 13 2014 Positive solutions for abstract Hammerstein equations and applications. Zbl 1296.47056 Benmezai, Abdelhamid; Graef, John R.; Kong, Lingju 8 2014 Nontrivial solutions for systems of Sturm-Liouville boundary value problems. Zbl 1305.34044 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 5 2014 Uniqueness and parameter dependence of positive doubly periodic solutions of nonlinear telegraph equations. Zbl 1295.35027 Graef, John R.; Kong, Lingju; Wang, Min 1 2014 Stationary solution of a stochastic nosocomial epidemic model in hospital intensive care units. Zbl 1304.92079 Graef, John R.; Kong, Lingju; Wang, Min 1 2014 Existence and uniqueness of solutions for a fractional boundary value problem with a separated boundary condition. Zbl 1310.34008 Kong, Lingju; Kong, Qingkai; Wang, Min 1 2014 Existence of positive periodic solutions for higher order singular functional difference equations. Zbl 1324.39020 Johnson, Jacob; Kong, Lingju; Ruddy, Michael; Ruys de Perez, Alexander 1 2014 A variational approach to a Kirchhoff-type problem involving two parameters. Zbl 1275.35108 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 51 2013 Existence of solutions to boundary value problems arising from the fractional advection dispersion equation. Zbl 1291.34016 Kong, Lingju 25 2013 Existence of positive solutions to a higher order singular boundary value problem with fractional \(q\)-derivatives. Zbl 1312.39014 Graef, John R.; Kong, Lingju 24 2013 Fractional boundary value problems with integral boundary conditions. Zbl 1385.34010 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 18 2013 Existence of multiple solutions to a discrete fourth order periodic boundary value problem. Zbl 1307.39004 Graef, John R.; Kong, Lingju; Wang, Min 16 2013 Existence and uniqueness of solutions for a fractional boundary value problem with Dirichlet boundary condition. Zbl 1340.34015 Graef, John; Kong, Lingju; Kong, Qingkai; Wang, Min 12 2013 Multiple solutions for a class of \((p_1, \dots, p_n)\)-biharmonic systems. Zbl 1268.35049 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 12 2013 Infinitely many solutions for systems of multi-point boundary value problems using variational methods. Zbl 1292.34018 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 11 2013 Uniqueness and parameter dependence of positive solutions of a discrete fourth-order problem. Zbl 1277.39011 Graef, John R.; Kong, Lingju; Wang, Min; Yang, Bo 9 2013 Linear Sturm-Liouville problems with multi-point boundary conditions. Zbl 1286.34048 Kong, Lingju; Kong, Qingkai; Kwong, Man K.; Wong, James S. W. 7 2013 Positive solutions of nonlocal fractional boundary value problems. Zbl 1310.34006 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 5 2013 Solutions of a nonlinear fourth order periodic boundary value problem for difference equations. Zbl 1264.39002 Graef, John R.; Kong, Lingju; Wang, Min 5 2013 Multiple solutions for systems of multi-point boundary value problems. Zbl 1287.34011 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 4 2013 Positive solutions of boundary value problems for discrete and continuous beam equations. Zbl 1383.34039 Graef, John R.; Kong, Lingju; Yang, Bo 2 2013 On a discrete fourth order periodic boundary value problem. Zbl 1305.39009 Graef, John R.; Kong, Lingju; Tian, Yu; Wang, Min 2 2013 Uniqueness and parameter dependence of positive solutions to higher order boundary value problems with fractional Q-derivatives. Zbl 1286.34009 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 2 2013 Existence of solutions to a multi-point boundary value problem for a second order differential system via the dual least action principle. Zbl 1310.34029 Tian, Yu; Graef, John R.; Kong, Lingju; Wang, Min 1 2013 Existence of nontrivial solutions to systems of multi-point boundary value problems. Zbl 1307.34039 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 1 2013 Infinitely many solutions for a discrete fourth order boundary value problem. Zbl 1307.39002 Graef, J. R.; Kong, L.; Kong, Q. 1 2013 Positive solutions for a class of higher order boundary value problems with fractional \(q\)-derivatives. Zbl 1254.34010 Graef, John R.; Kong, Lingju 74 2012 Uniqueness of positive solutions of fractional boundary value problems with non-homogeneous integral boundary conditions. Zbl 1279.34007 Graef, John R.; Kong, Lingju; Kong, Qingkai; Wang, Min 44 2012 Positive solutions for a semipositone fractional boundary value problem with a forcing term. Zbl 1284.34032 Graef, John R.; Kong, Lingju; Yang, Bo 27 2012 A critical points approach for the existence of multiple solutions of a Dirichlet quasilinear system. Zbl 1244.34024 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 13 2012 Application of the mixed monotone operator method to fractional boundary value problems. Zbl 1412.34086 Graef, John R.; Kong, Lingju; Kong, Qingkai 9 2012 On a generalized discrete beam equation via variational methods. Zbl 1278.39005 Graef, John R.; Kong, Lingju; Kong, Qingkai 6 2012 Higher order boundary value problems with \(\phi\)-Laplacian and functional boundary conditions. Zbl 1222.34020 Graef, John R.; Kong, Lingju; Minhós, Feliz M. 21 2011 Existence of multiple periodic solutions for first order functional differential equations. Zbl 1235.34190 Graef, John R.; Kong, Lingju 18 2011 On the lower and upper solution method for higher order functional boundary value problems. Zbl 1289.34054 Graef, John R.; Kong, Lingju; Minhós, Feliz M.; Fialho, João 17 2011 Periodic solutions of first order functional differential equations. Zbl 1241.34077 Graef, John R.; Kong, Lingju 17 2011 Higher-order singular multi-point boundary-value problems on time scales. Zbl 1223.34122 Dogan, Abdulkadir; Graef, John R.; Kong, Lingju 14 2011 Positive solutions to a fourth order boundary value problem. Zbl 1218.34024 Graef, John R.; Kong, Lingju; Kong, Qingkai; Yang, Bo 12 2011 Higher order multi-point boundary value problems. Zbl 1222.34019 Graef, John R.; Kong, Lingju; Kong, Qingkai 9 2011 Nodal solutions of boundary value problems with boundary conditions involving Riemann-Stieltjes integrals. Zbl 1220.34027 Chamberlain, Jeremy; Kong, Lingju; Kong, Qingkai 8 2011 A critical points approach to multiplicity results for multi-point boundary value problems. Zbl 1232.34031 Graef, John R.; Heidarkhani, Shapour; Kong, Lingju 7 2011 First-order singular boundary value problems with \(p\)-Laplacian on time scales. Zbl 1223.34123 Graef, John R.; Kong, Lingju 7 2011 Positive solutions to a two point singular boundary value problem. Zbl 1239.34025 Benmezai, Abdelhamid; Graef, John R.; Kong, Lingju 4 2011 Existence, nonexistence, and uniqueness of positive solutions to a three point fourth order boundary value problem. Zbl 1275.34036 Graef, John R.; Kong, Lingju; Yang, Bo 2 2011 Uniqueness and parameter dependence of positive solutions of third order boundary value problems with \(p\)-Laplacian. Zbl 1306.34036 Graef, John R.; Kong, Lingju 1 2011 Higher order boundary value problems with two point separated nonhomogeneous boundary conditions. Zbl 1242.34037 Graef, John R.; Kong, Lingju; Kong, Qingkai; Yang, Bo 1 2011 Higher order functional boundary value problems: existence and location results. Zbl 1274.34038 Graef, John R.; Kong, Lingju; Minhós, Feliz M. 1 2011 Second order singular boundary value problems with integral boundary conditions. Zbl 1188.34028 Kong, Lingju 36 2010 Higher order boundary value problems with nonhomogeneous boundary conditions. Zbl 1191.34032 Kong, Lingju; Kong, Qingkai 15 2010 ...and 47 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 986 Authors 82 Kong, Lingju 62 Heidarkhani, Shapour 55 Ahmad, Bashir 49 Graef, John R. 41 Ntouyas, Sotiris K. 36 Al-saedi, Ahmed Eid Salem 32 Afrouzi, Ghasem Alizadeh 29 Caristi, Giuseppe 28 Goodrich, Christopher S. 27 Liu, Lishan 27 Minhós, Feliz Manuel 27 Moradi, Shahin 25 Kong, Qingkai 25 Luca, Rodica 21 Wang, Min 20 Wu, Yonghong 19 Ma, Ruyun 18 Henderson, Johnny Lee 16 Agarwal, Ravi P. 16 Feng, Meiqiang 16 Ge, Weigao 14 Salari, Amjad 14 Tariboon, Jessada 13 Rezapour, Shahram 12 Yang, Bo 11 Cabada, Alberto 11 Hao, Xin’an 11 Zhai, Chengbo 11 Zhang, Xuemei 10 Etemad, Sina 10 Ferrara, Massimiliano 10 Gao, Chenghua 10 Kefi, Khaled 9 Nieto Roig, Juan Jose 9 Rădulescu, Vicenţiu D. 9 Zhang, Xinguang 8 Pei, Minghe 8 Sun, Jianping 8 Wei, Zhongli 8 Yang, Wengui 7 Al-Hutami, Hana 7 Dogan, Abdulkadir 6 Al-Shomrani, Mohammed Mosa 6 Cui, Yujun 6 Du, Zengji 6 Fialho, João F. 6 Hadjian, Armin 6 Sang, Yanbin 6 Sun, Yongping 6 Tian, Yu 6 Tudorache, Alexandru 6 Wang, Guotao 6 Xu, Jiafa 5 Bachar, Imed 5 Bai, Zhanbing 5 Barilla, David 5 Bohner, Martin J. 5 Candan, Tuncay 5 Chen, Ruipeng 5 de Sousa, Robert 5 Ghobadi, Ahmad 5 Gu, Zhendong 5 He, Tieshan 5 Ji, Dehong 5 Li, Yongxiang 5 Mâagli, Habib 5 O’Regan, Donal 5 Shen, Chunfang 5 Wang, Libo 5 Yang, Liu 5 Zhang, Xingqiu 5 Zhao, Junfang 5 Zhao, Zengqin 4 An, Yukun 4 Anderson, Douglas Robert 4 Asawasamrit, Suphawat 4 Azroul, Elhoussine 4 Băleanu, Dumitru I. 4 Benmezaï, Abdelhamid 4 Carapinha, Rui 4 Chang, Sung Kag 4 Dimitrov, Nikolay D. 4 Hammouti, Omar 4 Han, Xiaoling 4 Jia, Mei 4 Jiang, Jiqiang 4 Kuang, Juhong 4 Li, Ping 4 Li, Wan-Tong 4 Li, Xiaoya 4 Liu, Xiping 4 Liu, Yan 4 Liu, Yuji 4 Lu, Yanqiong 4 Luo, Yan 4 Mechrouk, Salima 4 Mo, Jiaqi 4 Shi, Yuming 4 Srati, Mohammed 4 Sudsutad, Weerawat ...and 886 more Authors all top 5 Cited in 198 Serials 91 Boundary Value Problems 73 Advances in Difference Equations 41 Applied Mathematics and Computation 41 Nonlinear Analysis. 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