Edit Profile (opens in new tab) Sun, Jingxian Co-Author Distance Author ID: sun.jingxian Published as: Sun, Jingxian; Sun, jing Xian; Sun, Jing-xian; Sun, Jing Xian more...less External Links: dblp Documents Indexed: 161 Publications since 1983 Reviewing Activity: 21 Reviews Co-Authors: 42 Co-Authors with 126 Joint Publications 1,606 Co-Co-Authors all top 5 Co-Authors 35 single-authored 20 Cui, Yujun 12 Zhang, Guowei 11 Xu, Xian 10 Li, Hongyu 8 Liu, Xiaoying 8 Zhang, Kemei 7 Liu, Zhaoli 7 Zhang, Xiaoyan 4 Liu, Lishan 4 Sun, Jinli 4 Sun, Yong 4 Wang, Feng 4 Zhao, Zengqin 3 Guo, Dajun 3 Ji, Hongwei 3 O’Regan, Donal 3 Yang, Zhilin 3 Zhang, Jinqing 3 Zhao, Lühuizi 2 Song, Fumin 2 Sun, Li 2 Sun, Yongzheng 2 Zhang, Tie 2 Zhang, Xingqiu 2 Zou, Yumei 1 Chen, Fangqi 1 Ciu, Yujun 1 Hu, Shouchuan 1 Li, Lai 1 Li, Zhilong 1 Liu, Yansheng 1 Lou, Bendong 1 Lu, Haixia 1 Lu, Huiqin 1 Qi, Guijie 1 Su, Jun 1 Sun, Fei 1 Sun, Jie 1 Wang, Guangwa 1 Xing, Hui 1 Zheng, Xiongjun 1 Zhou, Yanqiu all top 5 Serials 12 Acta Mathematica Sinica 12 Journal of Shandong University. Natural Science Edition 11 Journal of Mathematical Analysis and Applications 11 Journal of Systems Science and Mathematical Sciences 10 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 8 Chinese Annals of Mathematics. Series A 6 Journal of Mathematical Research & Exposition 5 Acta Mathematica Scientia. Series A. (Chinese Edition) 5 Acta Mathematica Sinica. Chinese Series 4 Indian Journal of Pure & Applied Mathematics 4 Journal of Shandong University. Natural Science 3 Applicable Analysis 3 Mathematics in Practice and Theory 3 Annals of Differential Equations 3 Journal of Qufu Normal University. Natural Science 3 Mathematica Applicata 3 Positivity 3 Acta Analysis Functionalis Applicata. AAFA 3 Fixed Point Theory and Applications 2 Computers & Mathematics with Applications 2 Acta Mathematicae Applicatae Sinica 2 Acta Mathematicae Applicatae Sinica. English Series 2 Journal of Jiangxi Normal University. Natural Science Edition 2 Kexue Tongbao 2 Abstract and Applied Analysis 2 Electronic Journal of Qualitative Theory of Differential Equations 2 Journal of Systems Science and Complexity 2 Acta Mathematica Scientia. Series B. (English Edition) 2 Journal of Xuzhou Normal University. Natural Science Edition 2 Boundary Value Problems 2 Chinese Journal of Engineering Mathematics 2 Nonlinear Analysis. Theory, Methods & Applications 1 Rocky Mountain Journal of Mathematics 1 Applied Mathematics and Computation 1 Journal of Computational and Applied Mathematics 1 Journal of Differential Equations 1 Monatshefte für Mathematik 1 Proceedings of the American Mathematical Society 1 Topology and its Applications 1 Numerical Mathematics 1 Advances in Mathematics (Beijing) 1 Northeastern Mathematical Journal 1 Mathematical and Computer Modelling 1 Journal of Applied Mathematics and Stochastic Analysis 1 Differential and Integral Equations 1 Applied Mathematics 1 Topological Methods in Nonlinear Analysis 1 Calculus of Variations and Partial Differential Equations 1 Discrete and Continuous Dynamical Systems 1 Chinese Quarterly Journal of Mathematics 1 Acta Mathematica Sinica. English Series 1 Journal of Sichuan Normal University. Natural Science 1 Communications on Pure and Applied Analysis 1 Fixed Point Theory all top 5 Fields 117 Operator theory (47-XX) 66 Ordinary differential equations (34-XX) 25 Integral equations (45-XX) 15 Global analysis, analysis on manifolds (58-XX) 12 Partial differential equations (35-XX) 7 Functional analysis (46-XX) 5 General topology (54-XX) 4 Numerical analysis (65-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Algebraic topology (55-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Mechanics of deformable solids (74-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 95 Publications have been cited 891 times in 648 Documents Cited by ▼ Year ▼ Invariant sets of descending flow in critical point theory with applications to nonlinear differential equations. Zbl 0995.58006 Liu, Zhaoli; Sun, Jingxian 148 2001 Positive solutions of \(m\)-point boundary value problems. Zbl 1069.34037 Zhang, Guowei; Sun, Jingxian 76 2004 The fixed point theorem of convex-power condensing operator and applications to abstract semilinear evolution equations. Zbl 1124.34342 Sun, Jing Xian; Zhang, Xiao Yan 34 2005 On existence of positive solutions of coupled integral boundary value problems for a nonlinear singular superlinear differential system. Zbl 1340.34087 Ciu, Yujun; Sun, Jingxian 29 2012 Nodal solutions for \(m\)-point boundary value problems using bifurcation methods. Zbl 1141.34009 Sun, Jingxian; Xu, Xian; O’Regan, Donal 27 2008 Positive solutions of superlinear semipositone nonlinear boundary value problems. Zbl 1232.34035 Li, Hongyu; Sun, Jingxian 26 2011 Nontrivial solutions of singular superlinear Sturm–Liouville problems. Zbl 1100.34019 Sun, Jingxian; Zhang, Guowei 24 2006 A generalization of the cone expansion and compression fixed point theorem and applications. Zbl 1127.47050 Zhang, Guowei; Sun, Jingxian 20 2007 On sign-changing solution for some three-point boundary value problems. Zbl 1069.34019 Xu, Xian; Sun, Jingxian 19 2004 Nontrivial solutions of singular sublinear Sturm–Liouville problems. Zbl 1111.34023 Sun, Jingxian; Zhang, Guowei 18 2007 Multiple positive solutions of singular third-order periodic boundary value problem. Zbl 1068.34020 Sun, Jingxian; Liu, Yansheng 17 2005 Computation of topological degree in ordered Banach spaces with lattice structure and its application to superlinear differential equations. Zbl 1177.47065 Sun, Jingxian; Liu, Xiaoying 17 2008 Extremal solutions of the initial value problem for integro-differential equations of mixed type in Banach spaces. Zbl 0771.34059 Sun, Jingxian; Zhao, Zengqin 14 1992 The Schauder condition in the critical point theory. Zbl 0603.47045 Sun, Jingxian 14 1986 Existence of positive solutions to a non-positive elastic beam equation with both ends fixed. Zbl 1278.34020 Lu, Haixia; Sun, Li; Sun, Jingxian 14 2012 Computation of topological degree for nonlinear operators and applications. Zbl 1169.47043 Sun, Jingxian; Liu, Xiaoying 14 2008 Iterative method for coupled quasi-solutions of mixed monotone operator equations. Zbl 0763.65041 Sun, Jingxian; Liu, Lishan 13 1992 Positive solutions of sublinear Sturm-Liouville problems with changing sign nonlinearity. Zbl 1197.34040 Li, Hongyu; Sun, Jingxian 13 2009 A generalization of Guo’s theorem and applications. Zbl 0632.47044 Sun, Jingxian 12 1987 On multiple sign-changing solutions for some second-order integral boundary value problems. Zbl 1211.34020 Zhang, Xingqiu; Sun, Jingxian 12 2010 Multiple positive fixed points of weakly inward mappings. Zbl 0709.47052 Sun, Yong; Sun, Jingxian 11 1990 A generalization of Mahadevan’s version of the Krein-Rutman theorem and applications to \(p\)-Laplacian boundary value problems. Zbl 1252.47045 Cui, Yujun; Sun, Jingxian 11 2012 Global bifurcation and multiple results for Sturm-Liouville problems. Zbl 1223.34030 Cui, Yujun; Sun, Jingxian; Zou, Yumei 11 2011 Existence of multiple positive solutions for fourth-order boundary value problems in Banach spaces. Zbl 1281.34026 Cui, Yujun; Sun, Jingxian 10 2012 Evaluation of topological degree and applications. Zbl 0687.47047 Guo, Dajun; Sun, Jingxian 10 1988 Computation for topological degree and its applications. Zbl 0866.47043 Sun, Jingxian; Liu, Xiaoying 10 1996 Calculus of variations and super- and sub-solutions in reverse order. Zbl 0810.47059 Sun, Jingxian; Liu, Zhaoli 10 1994 Positive solutions of boundary value problems for systems of second-order nonlinear ordinary differential equations. Zbl 1158.34317 Yang, Zhilin; Sun, Jingxian 10 2004 Fixed point theorems for a class of nonlinear operators in Hilbert spaces with lattice structure and application. Zbl 1476.47033 Cui, Yujun; Sun, Jingxian 9 2013 Computation of topological degree of unilaterally asymptotically linear operators and its applications. Zbl 1191.47076 Liu, Xiaoying; Sun, Jingxian 9 2009 Fixed point theorems for a class of nonlinear operators in Riesz spaces. Zbl 1301.47069 Sun, Jingxian; Cui, Yujun 8 2013 Fixed point theorems for a class of nonlinear operators in Hilbert spaces and applications. Zbl 1234.49009 Cui, Yujun; Sun, Jingxian 8 2011 Some extensions of the mountain pass lemma. Zbl 0746.47041 Guo, Dajun; Sun, Jingxian; Qi, Guijie 8 1988 Nontrivial solutions of superlinear Hammerstein integral equations and applications. Zbl 0633.45006 Sun, Jingxian 8 1986 Multiple positive solutions of singular second-order \(m\)-point boundary value problems. Zbl 1094.34017 Zhang, Guowei; Sun, Jingxian 8 2006 An elliptic problem with jumping nonlinearities. Zbl 1161.35395 Liu, Zhaoli; Sun, Jingxian 7 2005 Multiplicity results for three-point boundary value problems with a non-well-ordered upper and lower solution condition. Zbl 1140.34009 Xu, Xian; O’Regan, Donal; Sun, Jingxian 7 2007 Some global generalizations of the Birkhoff-Kellogg theorem and applications. Zbl 0661.47049 Guo, Dajun; Sun, Jingxian 6 1988 Four versus two solutions of semilinear elliptic boundary value problems. Zbl 0996.35017 Liu, Zhaoli; Sun, Jingxian 6 2002 A property of connected components and its applications. Zbl 1016.54019 Sun, Jingxian; Song, Fumin 6 2002 Flow-invariant sets and critical point theory. Zbl 1053.34060 Sun, Jingxian; Hu, Shouchuan 6 2003 Multiple solutions for nonlinear operators and applications. Zbl 1120.47050 Sun, Jingxian; Cui, Yujun 6 2007 Solutions for an operator equation under the conditions of pairs of paralleled lower and upper solutions. Zbl 1165.47044 Xu, Xian; Sun, Jingxian 6 2008 Some fixed point theorems of increasing operators. Zbl 0585.47046 Sun, Jingxian; Sun, Yong 5 1986 Existence of positive solutions for singular second-order \(m\)-point boundary value problems. Zbl 1080.34517 Zhang, Guowei; Sun, Jingxian 5 2004 Solutions of nonlinear second order impulsive integro-differential equations of mixed type in Banach spaces. Zbl 1052.45010 Zhang, Xiaoyan; Sun, Jingxian 5 2002 Computation of the topological degree and applications to superlinear system of equations. Zbl 0897.47050 Liu, Xiaoying; Sun, Jingxian 5 1996 Solutions of ordinary differential equations in Banach spaces. Zbl 0719.34107 Sun, Jingxian 5 1990 Positive solutions of singular \((k, n-k)\) multi-point boundary value problems. Zbl 1124.34311 Zhang, Guowei; Sun, Jingxian 5 2006 Computation of topological degree and applications to nonlinear operators. Zbl 0625.47046 Sun, Jingxian 4 1985 A theorem in point set topology. Zbl 0633.54013 Sun, Jingxian 4 1987 The existence of positive solutions for nonlinear Hammerstein integral equations and applications. Zbl 0699.45005 Sun, Jingxian 4 1988 The global structure of the set of characteristic vectors for superlinear operators. Zbl 0706.47033 Sun, Jingxian 4 1988 Fixed point theorems of increasing operators and applications to nonlinear integro-differential equations with discontinuous terms. Zbl 0779.47041 Sun, Jingxian; Zhao, Zengqin 4 1993 Some new fixed point theorems of increasing operators and applications. Zbl 0738.47052 Sun, Jingxian 4 1991 Positive solutions for second-order three-point boundary value problems in a Banach space. Zbl 1249.34068 Cui, Yujun; Sun, Jingxian 4 2011 Positive solutions of a fourth-order boundary value problem involving derivatives of all orders. Zbl 1267.34051 Yang, Zhilin; Sun, Jingxian 4 2012 On the number of fixed points of nonlinear operators and applications. Zbl 1131.47308 Sun, Jingxian; Zhang, Kemei 4 2003 Unbounded connected component of the positive solutions set of some semi-positone problems. Zbl 1239.47045 Xu, Xian; Sun, Jingxian 3 2011 A general principle on ordered sets and its applications to fixed point theory. Zbl 0659.54027 Sun, Jingxian; Sun, Yong 3 1989 Fixed point theorems of non-continuous increasing operators and applications to nonlinear equations with discontinuous nonlinearities. Zbl 0689.47020 Sun, Jingxian 3 1988 Fixed point theorems of two-point extension type and applications. Zbl 0795.47035 Sun, Jingxian 3 1992 Existence of sign-changing solutions for nonlinear operator equations and its applications. Zbl 1078.47503 Zhang, Kemei; Sun, Jingxian 3 2003 Existence theorems of multiple critical points and applications. Zbl 1125.35029 Sun, Jingxian; Sun, Jinli 3 2005 Computation of fixed point index for no-cone mappings and its applications. Zbl 1219.47090 Sun, Jingxian; Liu, Xiaoying 3 2010 Positive solutions of nonlinear differential equations on a measure chain. Zbl 1199.34098 Li, Hongyu; Sun, Jingxian; Cui, Yujun 3 2009 Existence of multiple fixed points for nonlinear operators and applications. Zbl 1157.47039 Sun, Jingxian; Zhang, Kemei 3 2008 Existence and uniqueness of solutions for a class of nonlinear operator equations and its applications. Zbl 1280.47061 Zhang, Xiaoyan; Sun, Jingxian 3 2005 Multiple solutions for superlinear operator equations in Banach spaces and applications. Zbl 1117.47304 Zhang, Kemei; Sun, Jingxian 3 2005 Weakly topological degree for nonlinear operators. I. Zbl 0599.47103 Sun, Jingxian 2 1984 Generalizations of fixed-point theorems of Altman and Rothe types. Zbl 1470.47045 Sun, Li; Sun, Jingxian; Wang, Guangwa 2 2013 Asymptotic bifurcation points, and global bifurcation of nonlinear operators and its applications. Zbl 1227.47039 Liu, Xiaoying; Sun, Jingxian 2 2012 Fixed points and generalized fixed points for increasing operators. Zbl 0687.47042 Sun, Jingxian 2 1989 Generalizations of the general principle on ordered sets in nonlinear functional analysis. Zbl 0705.47049 Sun, Jingxian 2 1990 Monotone iterative method of integro-differential equations of mixed type in Banach spaces. Zbl 0777.65077 Sun, Jingxian; Liu, Lishan 2 1993 Asymptotic bifurcation points of nonlinear operators. Zbl 0952.47049 Yang, Zhilin; Sun, Jingxian 2 2000 Eigenvalues and eigenvectors of nonlinear operators and applications. Zbl 0893.47039 Sun, Jingxian; Lou, Bendong 2 1997 Global generalizations of the Birkhoff-Kellogg theorem on nonlinear operators. Zbl 0633.47038 Sun, Jingxian 2 1987 The relation between sign-changing solution and positive-negative solutions for nonlinear operator equations and its applications. Zbl 1075.47035 Zhang, Kemei; Sun, Jingxian 2 2004 The existence of positive solution for singular boundary value problems of first order differential equation on unbounded domains. Zbl 1181.34029 Zhang, Xingqiu; Sun, Jingxian 2 2009 Positive solutions of non-positone nonlinear operator equations and their applications. Zbl 1257.47064 Sun, Jingxian; Xu, Xian 2 2012 Eigenvalue criteria for the existence of positive solutions to nonlinear \((k,n-k)\) conjugate boundary value problems. Zbl 1122.34308 Zhang, Guowei; Sun, Jingxian 2 2006 Positive solutions of singular nonlinear Sturm-Liouville problems. Zbl 1124.34323 Sun, jing Xian; Zhang, Guo Wei 2 2005 Bifurcation points and global structure of positive eigenvalues for cone mappings with no differentiability at the zero point. Zbl 1230.47087 Liu, Xiaoying; Sun, Jingxian 1 2010 A problem on successive approximations of operator equations. Zbl 0667.65046 Sun, Jingxian 1 1988 Solutions of the second order periodic boundary value problem in a Banach space under the weak\(^*\) topology. Zbl 0774.34048 Song, Fumin; Sun, Jingxian 1 1993 A theorem on many fixed points for nonlinear operator. Zbl 0738.47053 Sun, Jingxian; Sun, Yong 1 1990 Global structure of positive solution sets of nonlinear operator equations. Zbl 1246.47013 Xu, Xian; Sun, Jingxian; O’Regan, D. 1 2012 Decreasing flow invariant sets and fixed points of quasimonotone increasing operators. Zbl 0977.47050 Sun, Jingxian; Xu, Xi’an 1 2001 Positive solutions of boundary value problem for a system of nonlinear ordinary differential equations. Zbl 1094.34512 Li, Hongyu; Sun, Jingxian 1 2005 Number of invariant sets of descending flow with applications in critical point theory. Zbl 1048.58008 Liu, Zhaoli; Sun, Jingxian 1 2003 Three solutions theorems for nonlinear operator equations and applications. Zbl 1097.47054 Sun, Jingxian; Xu, Xi’an 1 2005 Solutions of nonlinear Sturm-Liouville problems in a Banach space. Zbl 1199.34133 Cui, Yujun; Sun, Jingxian 1 2009 Fixed point theorem of domain compression and expansion of convex functional type. Zbl 1174.47047 Zhang, Guowei; Sun, Jingxian; Zhang, Tie 1 2008 Positive solutions of singular boundary value problems of fourth-order differential equations. Zbl 1212.34054 Cui, Yujun; Sun, Jingxian; Zou, Yumei 1 2009 Fixed point theorems for a class of nonlinear operators in Hilbert spaces with lattice structure and application. Zbl 1476.47033 Cui, Yujun; Sun, Jingxian 9 2013 Fixed point theorems for a class of nonlinear operators in Riesz spaces. Zbl 1301.47069 Sun, Jingxian; Cui, Yujun 8 2013 Generalizations of fixed-point theorems of Altman and Rothe types. Zbl 1470.47045 Sun, Li; Sun, Jingxian; Wang, Guangwa 2 2013 On existence of positive solutions of coupled integral boundary value problems for a nonlinear singular superlinear differential system. Zbl 1340.34087 Ciu, Yujun; Sun, Jingxian 29 2012 Existence of positive solutions to a non-positive elastic beam equation with both ends fixed. Zbl 1278.34020 Lu, Haixia; Sun, Li; Sun, Jingxian 14 2012 A generalization of Mahadevan’s version of the Krein-Rutman theorem and applications to \(p\)-Laplacian boundary value problems. Zbl 1252.47045 Cui, Yujun; Sun, Jingxian 11 2012 Existence of multiple positive solutions for fourth-order boundary value problems in Banach spaces. Zbl 1281.34026 Cui, Yujun; Sun, Jingxian 10 2012 Positive solutions of a fourth-order boundary value problem involving derivatives of all orders. Zbl 1267.34051 Yang, Zhilin; Sun, Jingxian 4 2012 Asymptotic bifurcation points, and global bifurcation of nonlinear operators and its applications. Zbl 1227.47039 Liu, Xiaoying; Sun, Jingxian 2 2012 Positive solutions of non-positone nonlinear operator equations and their applications. Zbl 1257.47064 Sun, Jingxian; Xu, Xian 2 2012 Global structure of positive solution sets of nonlinear operator equations. Zbl 1246.47013 Xu, Xian; Sun, Jingxian; O’Regan, D. 1 2012 Positive solutions of superlinear semipositone nonlinear boundary value problems. Zbl 1232.34035 Li, Hongyu; Sun, Jingxian 26 2011 Global bifurcation and multiple results for Sturm-Liouville problems. Zbl 1223.34030 Cui, Yujun; Sun, Jingxian; Zou, Yumei 11 2011 Fixed point theorems for a class of nonlinear operators in Hilbert spaces and applications. Zbl 1234.49009 Cui, Yujun; Sun, Jingxian 8 2011 Positive solutions for second-order three-point boundary value problems in a Banach space. Zbl 1249.34068 Cui, Yujun; Sun, Jingxian 4 2011 Unbounded connected component of the positive solutions set of some semi-positone problems. Zbl 1239.47045 Xu, Xian; Sun, Jingxian 3 2011 On multiple sign-changing solutions for some second-order integral boundary value problems. Zbl 1211.34020 Zhang, Xingqiu; Sun, Jingxian 12 2010 Computation of fixed point index for no-cone mappings and its applications. Zbl 1219.47090 Sun, Jingxian; Liu, Xiaoying 3 2010 Bifurcation points and global structure of positive eigenvalues for cone mappings with no differentiability at the zero point. Zbl 1230.47087 Liu, Xiaoying; Sun, Jingxian 1 2010 Positive solutions of sublinear Sturm-Liouville problems with changing sign nonlinearity. Zbl 1197.34040 Li, Hongyu; Sun, Jingxian 13 2009 Computation of topological degree of unilaterally asymptotically linear operators and its applications. Zbl 1191.47076 Liu, Xiaoying; Sun, Jingxian 9 2009 Positive solutions of nonlinear differential equations on a measure chain. Zbl 1199.34098 Li, Hongyu; Sun, Jingxian; Cui, Yujun 3 2009 The existence of positive solution for singular boundary value problems of first order differential equation on unbounded domains. Zbl 1181.34029 Zhang, Xingqiu; Sun, Jingxian 2 2009 Solutions of nonlinear Sturm-Liouville problems in a Banach space. Zbl 1199.34133 Cui, Yujun; Sun, Jingxian 1 2009 Positive solutions of singular boundary value problems of fourth-order differential equations. Zbl 1212.34054 Cui, Yujun; Sun, Jingxian; Zou, Yumei 1 2009 Nodal solutions for \(m\)-point boundary value problems using bifurcation methods. Zbl 1141.34009 Sun, Jingxian; Xu, Xian; O’Regan, Donal 27 2008 Computation of topological degree in ordered Banach spaces with lattice structure and its application to superlinear differential equations. Zbl 1177.47065 Sun, Jingxian; Liu, Xiaoying 17 2008 Computation of topological degree for nonlinear operators and applications. Zbl 1169.47043 Sun, Jingxian; Liu, Xiaoying 14 2008 Solutions for an operator equation under the conditions of pairs of paralleled lower and upper solutions. Zbl 1165.47044 Xu, Xian; Sun, Jingxian 6 2008 Existence of multiple fixed points for nonlinear operators and applications. Zbl 1157.47039 Sun, Jingxian; Zhang, Kemei 3 2008 Fixed point theorem of domain compression and expansion of convex functional type. Zbl 1174.47047 Zhang, Guowei; Sun, Jingxian; Zhang, Tie 1 2008 A generalization of the cone expansion and compression fixed point theorem and applications. Zbl 1127.47050 Zhang, Guowei; Sun, Jingxian 20 2007 Nontrivial solutions of singular sublinear Sturm–Liouville problems. Zbl 1111.34023 Sun, Jingxian; Zhang, Guowei 18 2007 Multiplicity results for three-point boundary value problems with a non-well-ordered upper and lower solution condition. Zbl 1140.34009 Xu, Xian; O’Regan, Donal; Sun, Jingxian 7 2007 Multiple solutions for nonlinear operators and applications. Zbl 1120.47050 Sun, Jingxian; Cui, Yujun 6 2007 Nontrivial solutions of singular superlinear Sturm–Liouville problems. Zbl 1100.34019 Sun, Jingxian; Zhang, Guowei 24 2006 Multiple positive solutions of singular second-order \(m\)-point boundary value problems. Zbl 1094.34017 Zhang, Guowei; Sun, Jingxian 8 2006 Positive solutions of singular \((k, n-k)\) multi-point boundary value problems. Zbl 1124.34311 Zhang, Guowei; Sun, Jingxian 5 2006 Eigenvalue criteria for the existence of positive solutions to nonlinear \((k,n-k)\) conjugate boundary value problems. Zbl 1122.34308 Zhang, Guowei; Sun, Jingxian 2 2006 The fixed point theorem of convex-power condensing operator and applications to abstract semilinear evolution equations. Zbl 1124.34342 Sun, Jing Xian; Zhang, Xiao Yan 34 2005 Multiple positive solutions of singular third-order periodic boundary value problem. Zbl 1068.34020 Sun, Jingxian; Liu, Yansheng 17 2005 An elliptic problem with jumping nonlinearities. Zbl 1161.35395 Liu, Zhaoli; Sun, Jingxian 7 2005 Existence theorems of multiple critical points and applications. Zbl 1125.35029 Sun, Jingxian; Sun, Jinli 3 2005 Existence and uniqueness of solutions for a class of nonlinear operator equations and its applications. Zbl 1280.47061 Zhang, Xiaoyan; Sun, Jingxian 3 2005 Multiple solutions for superlinear operator equations in Banach spaces and applications. Zbl 1117.47304 Zhang, Kemei; Sun, Jingxian 3 2005 Positive solutions of singular nonlinear Sturm-Liouville problems. Zbl 1124.34323 Sun, jing Xian; Zhang, Guo Wei 2 2005 Positive solutions of boundary value problem for a system of nonlinear ordinary differential equations. Zbl 1094.34512 Li, Hongyu; Sun, Jingxian 1 2005 Three solutions theorems for nonlinear operator equations and applications. Zbl 1097.47054 Sun, Jingxian; Xu, Xi’an 1 2005 Positive solutions of \(m\)-point boundary value problems. Zbl 1069.34037 Zhang, Guowei; Sun, Jingxian 76 2004 On sign-changing solution for some three-point boundary value problems. Zbl 1069.34019 Xu, Xian; Sun, Jingxian 19 2004 Positive solutions of boundary value problems for systems of second-order nonlinear ordinary differential equations. Zbl 1158.34317 Yang, Zhilin; Sun, Jingxian 10 2004 Existence of positive solutions for singular second-order \(m\)-point boundary value problems. Zbl 1080.34517 Zhang, Guowei; Sun, Jingxian 5 2004 The relation between sign-changing solution and positive-negative solutions for nonlinear operator equations and its applications. Zbl 1075.47035 Zhang, Kemei; Sun, Jingxian 2 2004 Flow-invariant sets and critical point theory. Zbl 1053.34060 Sun, Jingxian; Hu, Shouchuan 6 2003 On the number of fixed points of nonlinear operators and applications. Zbl 1131.47308 Sun, Jingxian; Zhang, Kemei 4 2003 Existence of sign-changing solutions for nonlinear operator equations and its applications. Zbl 1078.47503 Zhang, Kemei; Sun, Jingxian 3 2003 Number of invariant sets of descending flow with applications in critical point theory. Zbl 1048.58008 Liu, Zhaoli; Sun, Jingxian 1 2003 Four versus two solutions of semilinear elliptic boundary value problems. Zbl 0996.35017 Liu, Zhaoli; Sun, Jingxian 6 2002 A property of connected components and its applications. Zbl 1016.54019 Sun, Jingxian; Song, Fumin 6 2002 Solutions of nonlinear second order impulsive integro-differential equations of mixed type in Banach spaces. Zbl 1052.45010 Zhang, Xiaoyan; Sun, Jingxian 5 2002 Invariant sets of descending flow in critical point theory with applications to nonlinear differential equations. Zbl 0995.58006 Liu, Zhaoli; Sun, Jingxian 148 2001 Decreasing flow invariant sets and fixed points of quasimonotone increasing operators. Zbl 0977.47050 Sun, Jingxian; Xu, Xi’an 1 2001 Asymptotic bifurcation points of nonlinear operators. Zbl 0952.47049 Yang, Zhilin; Sun, Jingxian 2 2000 Eigenvalues and eigenvectors of nonlinear operators and applications. Zbl 0893.47039 Sun, Jingxian; Lou, Bendong 2 1997 Computation for topological degree and its applications. Zbl 0866.47043 Sun, Jingxian; Liu, Xiaoying 10 1996 Computation of the topological degree and applications to superlinear system of equations. Zbl 0897.47050 Liu, Xiaoying; Sun, Jingxian 5 1996 Calculus of variations and super- and sub-solutions in reverse order. Zbl 0810.47059 Sun, Jingxian; Liu, Zhaoli 10 1994 Fixed point theorems of increasing operators and applications to nonlinear integro-differential equations with discontinuous terms. Zbl 0779.47041 Sun, Jingxian; Zhao, Zengqin 4 1993 Monotone iterative method of integro-differential equations of mixed type in Banach spaces. Zbl 0777.65077 Sun, Jingxian; Liu, Lishan 2 1993 Solutions of the second order periodic boundary value problem in a Banach space under the weak\(^*\) topology. Zbl 0774.34048 Song, Fumin; Sun, Jingxian 1 1993 Extremal solutions of the initial value problem for integro-differential equations of mixed type in Banach spaces. Zbl 0771.34059 Sun, Jingxian; Zhao, Zengqin 14 1992 Iterative method for coupled quasi-solutions of mixed monotone operator equations. Zbl 0763.65041 Sun, Jingxian; Liu, Lishan 13 1992 Fixed point theorems of two-point extension type and applications. Zbl 0795.47035 Sun, Jingxian 3 1992 Some new fixed point theorems of increasing operators and applications. Zbl 0738.47052 Sun, Jingxian 4 1991 Multiple positive fixed points of weakly inward mappings. Zbl 0709.47052 Sun, Yong; Sun, Jingxian 11 1990 Solutions of ordinary differential equations in Banach spaces. Zbl 0719.34107 Sun, Jingxian 5 1990 Generalizations of the general principle on ordered sets in nonlinear functional analysis. Zbl 0705.47049 Sun, Jingxian 2 1990 A theorem on many fixed points for nonlinear operator. Zbl 0738.47053 Sun, Jingxian; Sun, Yong 1 1990 A general principle on ordered sets and its applications to fixed point theory. Zbl 0659.54027 Sun, Jingxian; Sun, Yong 3 1989 Fixed points and generalized fixed points for increasing operators. Zbl 0687.47042 Sun, Jingxian 2 1989 Evaluation of topological degree and applications. Zbl 0687.47047 Guo, Dajun; Sun, Jingxian 10 1988 Some extensions of the mountain pass lemma. Zbl 0746.47041 Guo, Dajun; Sun, Jingxian; Qi, Guijie 8 1988 Some global generalizations of the Birkhoff-Kellogg theorem and applications. Zbl 0661.47049 Guo, Dajun; Sun, Jingxian 6 1988 The existence of positive solutions for nonlinear Hammerstein integral equations and applications. Zbl 0699.45005 Sun, Jingxian 4 1988 The global structure of the set of characteristic vectors for superlinear operators. Zbl 0706.47033 Sun, Jingxian 4 1988 Fixed point theorems of non-continuous increasing operators and applications to nonlinear equations with discontinuous nonlinearities. Zbl 0689.47020 Sun, Jingxian 3 1988 A problem on successive approximations of operator equations. Zbl 0667.65046 Sun, Jingxian 1 1988 A generalization of Guo’s theorem and applications. Zbl 0632.47044 Sun, Jingxian 12 1987 A theorem in point set topology. Zbl 0633.54013 Sun, Jingxian 4 1987 Global generalizations of the Birkhoff-Kellogg theorem on nonlinear operators. Zbl 0633.47038 Sun, Jingxian 2 1987 The Schauder condition in the critical point theory. Zbl 0603.47045 Sun, Jingxian 14 1986 Nontrivial solutions of superlinear Hammerstein integral equations and applications. Zbl 0633.45006 Sun, Jingxian 8 1986 Some fixed point theorems of increasing operators. Zbl 0585.47046 Sun, Jingxian; Sun, Yong 5 1986 Computation of topological degree and applications to nonlinear operators. Zbl 0625.47046 Sun, Jingxian 4 1985 Weakly topological degree for nonlinear operators. I. Zbl 0599.47103 Sun, Jingxian 2 1984 all cited Publications top 5 cited Publications all top 5 Cited by 679 Authors 36 Sun, Jingxian 28 Cui, Yujun 28 Liu, Lishan 23 O’Regan, Donal 17 Liu, Zhaoli 17 Wu, Yonghong 16 He, Tieshan 16 Xu, Xian 15 Liu, Xiangqing 14 Feng, Meiqiang 14 Wang, Zhi-Qiang 13 Ge, Weigao 13 Li, Yongxiang 13 Wei, Zhongli 12 Bai, Zhanbing 12 Zhang, Xuemei 11 Gou, Haide 11 Yang, Zhilin 11 Zou, Yumei 10 Zhang, Zhitao 9 Zhang, Xingqiu 8 Henderson, Johnny Lee 8 Li, Hongyu 8 Long, Yuhua 8 Xu, Jiafa 8 Zhang, Xinguang 8 Zhao, Zengqin 7 Agarwal, Ravi P. 7 Li, Fuyi 7 Liu, Jiaquan 7 Liu, Yansheng 7 Minhós, Feliz Manuel 7 Zhang, Guowei 6 Chen, Pengyu 6 Cheng, Zhibo 6 Kong, Lingju 6 Liu, Xiaoying 6 Liu, Yuji 6 Mao, Anmin 6 Su, Hua 6 Sun, Sujing 6 Taoudi, Mohamed Aziz 5 Ezzinbi, Khalil 5 Hao, Xin’an 5 Kong, Qingkai 5 Li, Shujie 5 Liu, Bingmei 5 Lu, Huiqin 5 Pang, Changci 5 Sun, Yong 5 Tang, Xianhua 5 Yan, Baoqiang 5 Zhang, Jianjun 5 Zhang, Jihui 5 Zou, Wenming 4 Avery, Richard I. 4 de Sousa, Robert 4 Guo, Pengfei 4 Huang, Yisheng 4 Lee, Eunkyoung 4 Li, Yuhua 4 Ma, Ruyun 4 Papageorgiou, Nikolaos S. 4 Precup, Radu 4 Sang, Yanbin 4 Thompson, Harold Bevan 4 Tian, Yu 4 Wei, Yongfang 4 Weth, Tobias 4 Xu, Shaoyuan 4 Yang, Yang 4 Zhai, Chengbo 3 An, Yulian 3 Caponetti, Diana 3 Cheng, Cao-Zong 3 Dong, Wei 3 Fu, Zhengqing 3 Guan, Wen 3 Guo, Dajun 3 Guo, Yuxia 3 Han, Guodong 3 He, Lang 3 Hu, Shouchuan 3 Huang, Yehui 3 Infante, Gennaro 3 Jiang, Jiqiang 3 Jiang, Shujun 3 Jing, Yongtao 3 Kang, Shugui 3 Kong, Fanchao 3 Lei, Youfa 3 Li, Gang 3 Li, Qiang 3 Li, Shengjun 3 Li, Zhilong 3 Liang, Kaihao 3 Lin, Xiuli 3 Liu, Xiyu 3 Liu, Zhisu 3 Peng, Xueqin ...and 579 more Authors all top 5 Cited in 159 Serials 72 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 53 Journal of Mathematical Analysis and Applications 47 Boundary Value Problems 23 Applied Mathematics and Computation 21 Abstract and Applied Analysis 17 Applied Mathematics Letters 16 Computers & Mathematics with Applications 16 Advances in Difference Equations 15 Journal of Applied Mathematics and Computing 15 Journal of Function Spaces 12 Journal of Differential Equations 11 Journal of Computational and Applied Mathematics 10 Journal of Fixed Point Theory and Applications 9 Discrete Dynamics in Nature and Society 8 Applicable Analysis 8 Qualitative Theory of Dynamical Systems 8 Fixed Point Theory and Applications 7 Applied Mathematics and Mechanics. (English Edition) 7 Calculus of Variations and Partial Differential Equations 7 Mediterranean Journal of Mathematics 6 Journal of Functional Analysis 6 Journal of Inequalities and Applications 6 Acta Mathematica Sinica. English Series 6 Journal of Applied Analysis and Computation 6 Nonlinear Analysis. Theory, Methods & Applications 5 Positivity 5 Complex Variables and Elliptic Equations 4 Mathematical Methods in the Applied Sciences 4 Acta Mathematicae Applicatae Sinica. English Series 4 Mathematical and Computer Modelling 4 Journal of Integral Equations and Applications 4 Electronic Journal of Differential Equations (EJDE) 4 Differential Equations and Dynamical Systems 4 Communications in Contemporary Mathematics 4 Nonlinear Analysis. Real World Applications 4 Nonlinear Analysis. Modelling and Control 4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 4 East Asian Mathematical Journal 4 Journal of Nonlinear Science and Applications 3 Journal of Mathematical Physics 3 Rocky Mountain Journal of Mathematics 3 Annali di Matematica Pura ed Applicata. Serie Quarta 3 Mathematische Nachrichten 3 Monatshefte für Mathematik 3 Numerical Functional Analysis and Optimization 3 Transactions of the American Mathematical Society 3 Applications of Mathematics 3 Journal of Difference Equations and Applications 3 Mathematical Problems in Engineering 3 Fractional Calculus & Applied Analysis 3 International Journal of Nonlinear Sciences and Numerical Simulation 3 Acta Mathematica Scientia. Series B. (English Edition) 3 Communications on Pure and Applied Analysis 3 Differential Equations and Applications 3 Open Mathematics 3 AIMS Mathematics 3 SN Partial Differential Equations and Applications 2 Nonlinearity 2 Proceedings of the American Mathematical Society 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Zeitschrift für Analysis und ihre Anwendungen 2 Acta Mathematica Hungarica 2 Bulletin of the Iranian Mathematical Society 2 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 2 Topological Methods in Nonlinear Analysis 2 NoDEA. Nonlinear Differential Equations and Applications 2 Opuscula Mathematica 2 Discrete and Continuous Dynamical Systems 2 Communications in Nonlinear Science and Numerical Simulation 2 Discrete and Continuous Dynamical Systems. Series B 2 Journal of Applied Mathematics 2 Analysis in Theory and Applications 2 Fixed Point Theory 2 Stochastics 2 Asian-European Journal of Mathematics 2 Journal of Nonlinear Evolution Equations and Applications 2 Journal of Nonlinear Analysis and Optimization: Theory & Applications 2 Advances in Nonlinear Analysis 2 Chinese Journal of Mathematics 1 Bulletin of the Australian Mathematical Society 1 Indian Journal of Pure & Applied Mathematics 1 Journal of Engineering Mathematics 1 Lithuanian Mathematical Journal 1 Mathematical Notes 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Chaos, Solitons and Fractals 1 Acta Scientiarum Mathematicarum 1 Applied Mathematics and Optimization 1 Archiv der Mathematik 1 Commentationes Mathematicae Universitatis Carolinae 1 Demonstratio Mathematica 1 Glasgow Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of the Korean Mathematical Society 1 Journal of Optimization Theory and Applications 1 Mathematica Slovaca 1 Quaestiones Mathematicae 1 Rendiconti del Seminario Matematico della Università di Padova 1 Topology and its Applications ...and 59 more Serials all top 5 Cited in 28 Fields 357 Ordinary differential equations (34-XX) 294 Operator theory (47-XX) 175 Partial differential equations (35-XX) 49 Integral equations (45-XX) 36 Global analysis, analysis on manifolds (58-XX) 19 Difference and functional equations (39-XX) 17 Calculus of variations and optimal control; optimization (49-XX) 13 General topology (54-XX) 12 Mechanics of deformable solids (74-XX) 11 Functional analysis (46-XX) 11 Numerical analysis (65-XX) 9 Real functions (26-XX) 9 Dynamical systems and ergodic theory (37-XX) 4 Potential theory (31-XX) 3 Probability theory and stochastic processes (60-XX) 3 Systems theory; control (93-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Fluid mechanics (76-XX) 2 Information and communication theory, circuits (94-XX) 1 History and biography (01-XX) 1 Approximations and expansions (41-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Algebraic topology (55-XX) 1 Computer science (68-XX) 1 Mechanics of particles and systems (70-XX) 1 Optics, electromagnetic theory (78-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Quantum theory (81-XX) Citations by Year