Edit Profile Li, Shujie Compute Distance To: Compute Author ID: li.shujie Published as: Li, S.; Li, S. J.; Li, Shu Jie; Li, Shu-Jie; Li, Shujie Homepage: http://www.csrc.ac.cn/groups/sjli/ External Links: ResearchGate Documents Indexed: 123 Publications since 1980, including 2 Books all top 5 Co-Authors 13 single-authored 13 Ding, Yanheng 8 Li, Chong 7 Liu, Zhaoli 6 Chen, Shaowei 6 Wang, Zhi-Qiang 6 Willem, Michel 6 Zhang, Zhitao 6 Zou, Wenming 5 Chang, Kung-Ching 5 Feng, Dexing 5 Liu, Shibo 4 Chen, Jianqing 4 Dong, Guangchang 4 Liu, Jianquan 4 Liu, Jiaquan 4 Qian, Aixia 4 Su, Jiabao 3 Li, Yongqing 3 Perera, Kanishka 3 Sun, Yijing 3 Szulkin, Andrzej 3 Wu, Shaoping 2 Brézis, Haïm 2 Du, Yihong 2 Rabinowitz, Paul Henry 2 Xue, Xiaoping 2 Zhang, Jing 1 Bartsch, Thomas J. 1 Čaklović, Lavoslav 1 Chen, Goong 1 Coti Zelati, Vittorio 1 Ding, Yansheng 1 Ding, Zhonghai 1 Dong, Gong-Chang 1 Feng, Weijie 1 Hirano, Norimichi 1 Ju, Lili 1 Luo, Lishi 1 Pan, Jianzhong 1 Shi, Shujun 1 Wang, Yuwen 1 Wang, Zizhong John 1 Zhang, Jihui 1 Zhou, Huan-Song 1 Zhu, Jingqiao all top 5 Serials 13 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 11 Journal of Differential Equations 10 Journal of Mathematical Analysis and Applications 7 Nonlinear Analysis. Theory, Methods & Applications 6 Acta Mathematica Sinica 5 Journal of Functional Analysis 5 Topological Methods in Nonlinear Analysis 4 Differential and Integral Equations 4 Abstract and Applied Analysis 3 Systems Science and Mathematical Sciences 3 Calculus of Variations and Partial Differential Equations 2 Indiana University Mathematics Journal 2 Journal of Systems Science and Mathematical Sciences 2 Acta Mathematica Sinica. New Series 2 NoDEA. Nonlinear Differential Equations and Applications 2 Rapport. Séminaire de Mathématique. Nouvelle Série 2 Discrete and Continuous Dynamical Systems 2 Acta Mathematica Sinica. English Series 1 Bulletin of the Australian Mathematical Society 1 Houston Journal of Mathematics 1 Journal d’Analyse Mathématique 1 Journal of Computational Physics 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Bulletin of the London Mathematical Society 1 Journal of Optimization Theory and Applications 1 Manuscripta Mathematica 1 Proceedings of the American Mathematical Society 1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste 1 Ricerche di Matematica 1 Transactions of the American Mathematical Society 1 Chinese Annals of Mathematics. Series A 1 Northeastern Mathematical Journal 1 Applied Mathematics Letters 1 Science in China. Series A 1 Communications in Partial Differential Equations 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Scientia Sinica. Series A 1 Acta Mathematica Scientia 1 Chinese Science Bulletin 1 Advances in Differential Equations 1 Communications in Contemporary Mathematics 1 Acta Analysis Functionalis Applicata. AAFA 1 Communications on Pure and Applied Analysis all top 5 Fields 89 Partial differential equations (35-XX) 39 Global analysis, analysis on manifolds (58-XX) 32 Operator theory (47-XX) 21 Ordinary differential equations (34-XX) 9 Calculus of variations and optimal control; optimization (49-XX) 8 Dynamical systems and ergodic theory (37-XX) 7 Mechanics of particles and systems (70-XX) 4 Numerical analysis (65-XX) 2 General and overarching topics; collections (00-XX) 1 Approximations and expansions (41-XX) 1 Integral equations (45-XX) 1 Functional analysis (46-XX) 1 General topology (54-XX) 1 Fluid mechanics (76-XX) 1 Biology and other natural sciences (92-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 99 Publications have been cited 1,440 times in 974 Documents Cited by ▼ Year ▼ Critical point theory for asymptotically quadratic functionals and applications to problems with resonance. Zbl 0872.58018Bartsch, Thomas; Li, Shujie 164 1997 Applications of local linking to critical point theory. Zbl 0820.58012Li, Shujie; Willem, Michel 114 1995 Morse theory and asymptotic linear Hamiltonian system. Zbl 0672.34037Li, Shujie; Liu, J. Q. 62 1989 Mountain pass theorem in order intervals and multiple solutions for semilinear elliptic Dirichlet problems. Zbl 0962.35065Li, Shujie; Wang, Zhi-Qiang 52 2000 Multiple nontrivial solutions for some fourth-order semilinear elliptic problems. Zbl 1103.35027Zhang, Jihui; Li, Shujie 51 2005 Ljusternik-Schnirelman theory in partially ordered Hilbert spaces. Zbl 1219.35067Li, Shujie; Wang, Zhi-Qiang 50 2002 Infinitely many solutions for a superlinear elliptic equation. Zbl 1081.35043Liu, Shibo; Li, Shujie 47 2003 Infinitely many homoclinic orbits for the second-order Hamiltonian systems. Zbl 1039.37044Zou, Wenming; Li, Shujie 46 2003 Solutions to semilinear elliptic problems with combined nonlinearities. Zbl 1032.35072Li, Shujie; Wu, Shaoping; Zhou, Huan-Song 36 2002 Computations of critical groups at degenerate critical point and applications to nonlinear differential equations with resonance. Zbl 0981.58011Li, Shujie; Liu, J. Q. 34 1999 Homoclinic orbits for first order Hamiltonian systems. Zbl 0818.34023Ding, Yanheng; Li, Shujie 33 1995 Remarks on multiple solutions for asymptotically linear elliptic boundary value problems. Zbl 0812.35031Chang, Kung Ching; Li, Shujie; Liu, Jiaquan 33 1994 Construction of pseudo-gradient vector field and sign-changing multiple solutions involving \(p\)-Laplacian. Zbl 1079.35035Zhang, Zhitao; Chen, Jianqing; Li, Shujie 28 2004 On sign-changing and multiple solutions of the \(p\)-Laplacian. Zbl 1091.35028Zhang, Zhitao; Li, Shujie 27 2003 Perturbations from symmetric elliptic boundary value problems. Zbl 1032.35066Li, Shujie; Liu, Zhaoli 26 2002 Nonlinear Liouville theorems and a priori estimates for indefinite superlinear elliptic equations. Zbl 1161.35388Du, Yihong; Li, Shujie 24 2005 Multiple solutions and sign-changing solutions of a class of nonlinear elliptic equations with Neumann boundary condition. Zbl 1127.35014Li, Chong; Li, Shujie 23 2004 Multiple solutions for asymptotically linear boundary value problems in which the nonlinearity crosses at least one eigenvalue. Zbl 0933.35066Li, Shujie; Willem, Michel 21 1998 Nontrivial critical points for asymptotically quadratic functions. Zbl 0767.35025Li, Shujie; Liu, J. Q. 21 1992 Splitting theorem, Poincaré–Hopf theorem and jumping nonlinear problems. Zbl 1129.35392Li, Chong; Li, Shujie; Liu, Jiaquan 20 2005 Computation of critical groups in elliptic boundary-value problems where the asymptotic limits may not exist. Zbl 1114.35321Li, Shujie; Perera, Kanishka; Su, Jiabao 20 2001 Structure of ground state solutions of singular semilinear elliptic equations. Zbl 1122.35341Sun, Yijing; Li, Shujie 18 2003 The computations of the critical groups with an application to elliptic resonant problems at a higher eigenvalue. Zbl 0935.35055Li, Shujie; Zou, Wenming 18 1999 Positive solutions with prescribed patterns in some simple semilinear equations. Zbl 1021.35035Du, Yihong; Li, Shujie 17 2002 Nontrivial solutions for resonant cooperative elliptic systems via computations of critical groups. Zbl 0940.35074Zou, Wenming; Li, Shujie; Liu, J. Q. 16 1999 A note on Palais-Smale condition and coercivity. Zbl 0782.58019Caklovic, L.; Li, Shujie; Willem, M. 16 1990 Multiple solutions for a semilinear equation involving singular potential and critical exponent. Zbl 1129.35373Chen, Jianqing; Li, Shujie; Li, Yongqing 15 2005 Existence of solutions for asymptotically ‘linear’ \(p\)-Laplacian equations. Zbl 1088.35025Liu, Shibo; Li, Shujie 15 2004 Sign-changing and multiple solutions theorems for semilinear elliptic boundary value problems with jumping nonlinearities. Zbl 0951.35050Li, Shujie; Zhang, Zhitao 15 2000 A nonlinear elliptic equation with critical exponent: Estimates for extremal values. Zbl 1171.35046Sun, Yijing; Li, Shujie 14 2008 Some remarks on a superlinear-singular problem: estimates of \(\lambda^*\). Zbl 1237.35076Sun, Yijing; Li, Shujie 13 2008 On multiple solutions of a singular quasilinear equation on unbounded domain. Zbl 1072.35529Chen, Jianqing; Li, Shujie 13 2002 Periodic solutions for a class of nonautonomous Hamiltonian systems. Zbl 0807.58040Li, Shujie; Szulkin, Andrzej 13 1994 Multiple periodic solutions for an asymptotically linear wave equation. Zbl 0465.35007Chang, K. C.; Wu, S. P.; Li, Shujie 13 1982 Remarks on a class of elliptic problems with critical exponents. Zbl 0932.35094Li, Shujie; Zou, Wenming 12 1998 Existence of entire solutions for some elliptic systems. Zbl 0814.35023Ding, Yanheng; Li, Shujie 11 1994 Periodic solutions of an asymptotically linear wave equation. Zbl 0798.35103Li, S.; Szulkin, A. 11 1993 Multiple solutions for a fourth-order asymptotically linear elliptic problem. Zbl 1274.35140Qian, Aixia; Li, Shujie 10 2006 Fucik spectrum, sign-changing and multiple solutions for semilinear elliptic boundary value problems with jumping nonlinearities at zero and infinity. Zbl 1165.35370Li, Shujie; Zhang, Zhitao 10 2001 Existence of multiple critical points for an asymptotically quadratic functional with applications. Zbl 0938.58013Li, Shujie; Su, Jiabao 10 1996 On the Fucík spectrum. Zbl 1148.35055Li, Chong; Li, Shujie; Liu, Zhaoli; Pan, Jianzhong 9 2008 On a nonlinear elliptic eigenvalue problem. Zbl 1080.35055Chen, Shaowei; Li, Shujie 9 2005 Critical groups at infinity, saddle point reduction and elliptic resonant problems. Zbl 1058.35075Liu, Shibo; Li, Shujie 9 2003 An elliptic equation with concave and convex nonlinearities. Zbl 1217.35067Liu, Shibo; Li, Shujie 9 2003 Periodic solutions of symmetric wave equations. Zbl 0909.35092Ding, Yanheng; Li, Shujie; Willem, Michel 9 1998 Existence of multiple solutions of a two-point boundary value problem at resonance. Zbl 0909.34018Li, Shujie; Su, Jiabao 9 1997 Existence of solutions for a class of semilinear elliptic equations with the Robin boundary value condition. Zbl 1173.35500Shi, Shujun; Li, Shujie 8 2009 Multiplicity of solutions for some elliptic equations involving critical and supercritical Sobolev exponents. Zbl 1142.35039Li, Shujie; Liu, Zhaoli 8 2006 On an asymptotically linear elliptic Dirichlet problem. Zbl 1047.35047Zhang, Zhitao; Li, Shujie; Liu, Shibo; Feng, Weijie 8 2002 Multiple solutions theorems for semilinear elliptic boundary value problems with resonance at infinity. Zbl 0952.35056Li, Shujie; Zhang, Zhitao 8 1999 On the initial value problem for a nonlinear Schrödinger equation. Zbl 0475.35036Dong, Guang-Chang; Li, Shujie 8 1981 Sufficient conditions of isolated minimizers for constrained programming problems. Zbl 1218.90214Li, S. J.; Xu, Shu 7 2010 Generalization of ordering principles and applications. Zbl 1146.49016Zhu, J.; Li, S. J. 7 2007 Periodic solutions of a superlinear wave equation. Zbl 0885.35074Ding, Yanheng; Li, Shujie 7 1997 Some existence results of solutions for the semilinear elliptic equations on \(\mathbb{R}^ N\). Zbl 0829.35032Ding, Yansheng; Li, Shujie 7 1995 Hardy-Sobolev inequalities in half-space and some semilinear elliptic equations with singular coefficients. Zbl 1387.35209Chen, Shaowei; Li, Shujie 6 2007 Computation of critical groups in resonance problems where the nonlinearity may not be sublinear. Zbl 1088.58005Li, Shujie; Perera, Kanishka 6 2001 Morse theory without (PS) condition at isolated values and strong resonance problems. Zbl 0956.58007Hirano, Norimichi; Li, Shujie; Wang, Zhi-Qiang 6 2000 Periodic solutions of non-autonomous second order systems with superlinear terms. Zbl 0757.34021Li, Shujie 6 1992 Topological degree of the multivalued maximal monotone operator in Hilbert space. Zbl 0524.47040Li, Shujie; Feng, Dexing 6 1982 Multiple nodal solutions for elliptic equations. Zbl 1094.35053Qian, Aixia; Li, Shujie 5 2004 Existence and multiplicity of nontrivial solutions for an elliptic equation on \(\mathbb R^N\) with indefinite linear part. Zbl 1160.58302Chen, Jianqing; Li, Shujie 5 2003 Periodic solutions for a class of nonautonomous wave equations. Zbl 0879.35014Li, Shujie; Szulkin, Andrzej 5 1996 A remark on expanding maps. Zbl 0525.47046Chang, Kung-Ching; Li, Shujie 5 1982 Multiple solutions for a class of semilinear elliptic problems with Robin boundary condition. Zbl 1235.35128Zhang, Jing; Li, Shujie; Xue, Xiaoping 4 2012 Multiple solutions of nonlinear elliptic equations for oscillation problems. Zbl 1127.35022Li, Chong; Ding, Yanheng; Li, Shujie 4 2005 An existence theorem on multiple critical points and its applications in nonlinear P.D.E. Zbl 0693.35060Li, Shujie 4 1986 An exponential time-integrator scheme for steady and unsteady inviscid flows. Zbl 1395.76060Li, Shu-Jie; Luo, Li-Shi; Wang, Z. J.; Ju, Lili 3 2018 Multiple solutions for semilinear elliptic equations with Neumann boundary condition and jumping nonlinearities. Zbl 1198.35102Zhang, Jing; Li, Shujie; Wang, Yuwen; Xue, Xiaoping 3 2010 Existence of type (II) regions and convexity and concavity of potential functionals corresponding to jumping nonlinear problems. Zbl 1143.35058Li, Chong; Li, Shujie; Liu, Zhaoli 3 2008 Multiple sign-changing solutions of an elliptic eigenvalue problem. Zbl 1124.35047Qian, Aixia; Li, Shujie 3 2005 A new Morse theory and strong resonance problems. Zbl 1053.58005Li, Shujie 3 2003 Contractibility of level sets of functionals associated with some elliptic boundary value problems and applications. Zbl 1290.35052Liu, Zhaoli; Li, Shujie 3 2003 An abstract critical point theorem and applications. Zbl 0633.58010Li, Shujie; Wang, Zhiqiang 3 1986 A new proof and an extension of a theorem of P. Rabinowitz concerning nonlinear wave equations. Zbl 0504.35064Chang, K. C.; Li, Shujie; Dong, G. C. 3 1982 On the existence of infinitely many solutions of the Dirichlet problem for some nonlinear elliptic equations. Zbl 0503.35035Dong, Guangchang; Li, Shujie 3 1982 Topological degrees of monotone mappings. Zbl 0484.47027Feng, Dexing; Li, Shujie 3 1981 The Fučík spectrum of Schrödinger operator and the existence of four solutions of Schrödinger equations with jumping nonlinearities. Zbl 1379.35202Li, Chong; Li, Shujie 2 2017 On Schechter’s linking theorems. Zbl 1218.49011Zou, W.; Li, Shujie 2 2010 Splitting lemma at infinity and a strongly resonant problem with periodic nonlinearity. Zbl 1183.35123Chen, Shaowei; Li, Shujie 2 2006 On positive solutions of the elliptic sine-Gordon equation. Zbl 1129.35374Ding, Zhonghai; Chen, Goong; Li, Shujie 2 2005 New linking theorem and elliptic systems with nonlinear boundary condition. Zbl 1022.35016Zou, Wenming; Li, Shujie 2 2003 Dirichlet problem of elliptic equations with strong resonances. Zbl 1129.35393Li, Shujie; Wang, Zhi-Qiang 2 2002 On the role played by the Fučík spectrum in the determination of critical groups in elliptic problems where the asymptotic limits may not exist. Zbl 1012.35021Li, Shujie; Perera, Kanishka; Su, Jiabao 2 2002 Positive solutions of elliptic boundary value problems without the (P. S.) type assumption. Zbl 1030.35078Liu, Zhaoli; Li, Shujie; Wang, Zhi-Qiang 2 2001 Some aspects of semilinear elliptic boundary value problem. Zbl 0988.35062Li, Shujie 2 2000 Periodic solutions of symmetric wave equations. Zbl 0860.35007Ding, Y.; Li, S.; Willem, M. 2 1996 Some aspects of nonlinear operators and critical point theory. Zbl 0847.58013Li, Shujie 2 1996 Multiple critical points of periodic functional and some applications. Zbl 0749.49015Li, Shujie 2 1991 Gaps of consecutive eigenvalues of Laplace operator and the existence of multiple solutions for superlinear elliptic problem. Zbl 1336.35261Li, Chong; Li, Shujie 1 2016 A projection method for convex constrained monotone nonlinear equations with applications. Zbl 1443.65073Liu, J. K.; Li, S. J. 1 2015 Bifurcation surfaces stemming from the Fučik spectrum. Zbl 1394.35307Li, Chong; Li, Shujie; Liu, Zhaoli 1 2012 Splitting lemma in the infinity and a strong resonant problem with periodic nonlinearity. Zbl 1387.35153Chen, Shaowei; Li, Shujie 1 2006 Some minimax theorems on finding nontrivial critical points and their applications. Zbl 0897.58009Li, Shujie 1 1997 Periodic solutions for a class of singular nonautonomous second order system in a potential well. Zbl 0847.34041Coti Zelati, V.; Li, Shujie; Wu, Shaoping 1 1995 A remark on periodic solutions of singular Hamiltonian systems with sublinear terms. Zbl 0767.34025Ding, Yanheng; Li, Shujie 1 1992 Infinite dimensional local linking and some applications to the Hamiltonian systems. Zbl 0697.58020Li, Shujie; Liu, Jianquan 1 1989 A boundary value problem for nonlinear telegraph equation. Zbl 0463.35057Dong, Guang-chang; Li, Shujie 1 1981 Positive solutions of nonconvex nonlinear eigenvalue problems. Zbl 0478.47037Li, Shujie 1 1980 An exponential time-integrator scheme for steady and unsteady inviscid flows. Zbl 1395.76060Li, Shu-Jie; Luo, Li-Shi; Wang, Z. J.; Ju, Lili 3 2018 The Fučík spectrum of Schrödinger operator and the existence of four solutions of Schrödinger equations with jumping nonlinearities. Zbl 1379.35202Li, Chong; Li, Shujie 2 2017 Gaps of consecutive eigenvalues of Laplace operator and the existence of multiple solutions for superlinear elliptic problem. Zbl 1336.35261Li, Chong; Li, Shujie 1 2016 A projection method for convex constrained monotone nonlinear equations with applications. Zbl 1443.65073Liu, J. K.; Li, S. J. 1 2015 Multiple solutions for a class of semilinear elliptic problems with Robin boundary condition. Zbl 1235.35128Zhang, Jing; Li, Shujie; Xue, Xiaoping 4 2012 Bifurcation surfaces stemming from the Fučik spectrum. Zbl 1394.35307Li, Chong; Li, Shujie; Liu, Zhaoli 1 2012 Sufficient conditions of isolated minimizers for constrained programming problems. Zbl 1218.90214Li, S. J.; Xu, Shu 7 2010 Multiple solutions for semilinear elliptic equations with Neumann boundary condition and jumping nonlinearities. Zbl 1198.35102Zhang, Jing; Li, Shujie; Wang, Yuwen; Xue, Xiaoping 3 2010 On Schechter’s linking theorems. Zbl 1218.49011Zou, W.; Li, Shujie 2 2010 Existence of solutions for a class of semilinear elliptic equations with the Robin boundary value condition. Zbl 1173.35500Shi, Shujun; Li, Shujie 8 2009 A nonlinear elliptic equation with critical exponent: Estimates for extremal values. Zbl 1171.35046Sun, Yijing; Li, Shujie 14 2008 Some remarks on a superlinear-singular problem: estimates of \(\lambda^*\). Zbl 1237.35076Sun, Yijing; Li, Shujie 13 2008 On the Fucík spectrum. Zbl 1148.35055Li, Chong; Li, Shujie; Liu, Zhaoli; Pan, Jianzhong 9 2008 Existence of type (II) regions and convexity and concavity of potential functionals corresponding to jumping nonlinear problems. Zbl 1143.35058Li, Chong; Li, Shujie; Liu, Zhaoli 3 2008 Generalization of ordering principles and applications. Zbl 1146.49016Zhu, J.; Li, S. J. 7 2007 Hardy-Sobolev inequalities in half-space and some semilinear elliptic equations with singular coefficients. Zbl 1387.35209Chen, Shaowei; Li, Shujie 6 2007 Multiple solutions for a fourth-order asymptotically linear elliptic problem. Zbl 1274.35140Qian, Aixia; Li, Shujie 10 2006 Multiplicity of solutions for some elliptic equations involving critical and supercritical Sobolev exponents. Zbl 1142.35039Li, Shujie; Liu, Zhaoli 8 2006 Splitting lemma at infinity and a strongly resonant problem with periodic nonlinearity. Zbl 1183.35123Chen, Shaowei; Li, Shujie 2 2006 Splitting lemma in the infinity and a strong resonant problem with periodic nonlinearity. Zbl 1387.35153Chen, Shaowei; Li, Shujie 1 2006 Multiple nontrivial solutions for some fourth-order semilinear elliptic problems. Zbl 1103.35027Zhang, Jihui; Li, Shujie 51 2005 Nonlinear Liouville theorems and a priori estimates for indefinite superlinear elliptic equations. Zbl 1161.35388Du, Yihong; Li, Shujie 24 2005 Splitting theorem, Poincaré–Hopf theorem and jumping nonlinear problems. Zbl 1129.35392Li, Chong; Li, Shujie; Liu, Jiaquan 20 2005 Multiple solutions for a semilinear equation involving singular potential and critical exponent. Zbl 1129.35373Chen, Jianqing; Li, Shujie; Li, Yongqing 15 2005 On a nonlinear elliptic eigenvalue problem. Zbl 1080.35055Chen, Shaowei; Li, Shujie 9 2005 Multiple solutions of nonlinear elliptic equations for oscillation problems. Zbl 1127.35022Li, Chong; Ding, Yanheng; Li, Shujie 4 2005 Multiple sign-changing solutions of an elliptic eigenvalue problem. Zbl 1124.35047Qian, Aixia; Li, Shujie 3 2005 On positive solutions of the elliptic sine-Gordon equation. Zbl 1129.35374Ding, Zhonghai; Chen, Goong; Li, Shujie 2 2005 Construction of pseudo-gradient vector field and sign-changing multiple solutions involving \(p\)-Laplacian. Zbl 1079.35035Zhang, Zhitao; Chen, Jianqing; Li, Shujie 28 2004 Multiple solutions and sign-changing solutions of a class of nonlinear elliptic equations with Neumann boundary condition. Zbl 1127.35014Li, Chong; Li, Shujie 23 2004 Existence of solutions for asymptotically ‘linear’ \(p\)-Laplacian equations. Zbl 1088.35025Liu, Shibo; Li, Shujie 15 2004 Multiple nodal solutions for elliptic equations. Zbl 1094.35053Qian, Aixia; Li, Shujie 5 2004 Infinitely many solutions for a superlinear elliptic equation. Zbl 1081.35043Liu, Shibo; Li, Shujie 47 2003 Infinitely many homoclinic orbits for the second-order Hamiltonian systems. Zbl 1039.37044Zou, Wenming; Li, Shujie 46 2003 On sign-changing and multiple solutions of the \(p\)-Laplacian. Zbl 1091.35028Zhang, Zhitao; Li, Shujie 27 2003 Structure of ground state solutions of singular semilinear elliptic equations. Zbl 1122.35341Sun, Yijing; Li, Shujie 18 2003 Critical groups at infinity, saddle point reduction and elliptic resonant problems. Zbl 1058.35075Liu, Shibo; Li, Shujie 9 2003 An elliptic equation with concave and convex nonlinearities. Zbl 1217.35067Liu, Shibo; Li, Shujie 9 2003 Existence and multiplicity of nontrivial solutions for an elliptic equation on \(\mathbb R^N\) with indefinite linear part. Zbl 1160.58302Chen, Jianqing; Li, Shujie 5 2003 A new Morse theory and strong resonance problems. Zbl 1053.58005Li, Shujie 3 2003 Contractibility of level sets of functionals associated with some elliptic boundary value problems and applications. Zbl 1290.35052Liu, Zhaoli; Li, Shujie 3 2003 New linking theorem and elliptic systems with nonlinear boundary condition. Zbl 1022.35016Zou, Wenming; Li, Shujie 2 2003 Ljusternik-Schnirelman theory in partially ordered Hilbert spaces. Zbl 1219.35067Li, Shujie; Wang, Zhi-Qiang 50 2002 Solutions to semilinear elliptic problems with combined nonlinearities. Zbl 1032.35072Li, Shujie; Wu, Shaoping; Zhou, Huan-Song 36 2002 Perturbations from symmetric elliptic boundary value problems. Zbl 1032.35066Li, Shujie; Liu, Zhaoli 26 2002 Positive solutions with prescribed patterns in some simple semilinear equations. Zbl 1021.35035Du, Yihong; Li, Shujie 17 2002 On multiple solutions of a singular quasilinear equation on unbounded domain. Zbl 1072.35529Chen, Jianqing; Li, Shujie 13 2002 On an asymptotically linear elliptic Dirichlet problem. Zbl 1047.35047Zhang, Zhitao; Li, Shujie; Liu, Shibo; Feng, Weijie 8 2002 Dirichlet problem of elliptic equations with strong resonances. Zbl 1129.35393Li, Shujie; Wang, Zhi-Qiang 2 2002 On the role played by the Fučík spectrum in the determination of critical groups in elliptic problems where the asymptotic limits may not exist. Zbl 1012.35021Li, Shujie; Perera, Kanishka; Su, Jiabao 2 2002 Computation of critical groups in elliptic boundary-value problems where the asymptotic limits may not exist. Zbl 1114.35321Li, Shujie; Perera, Kanishka; Su, Jiabao 20 2001 Fucik spectrum, sign-changing and multiple solutions for semilinear elliptic boundary value problems with jumping nonlinearities at zero and infinity. Zbl 1165.35370Li, Shujie; Zhang, Zhitao 10 2001 Computation of critical groups in resonance problems where the nonlinearity may not be sublinear. Zbl 1088.58005Li, Shujie; Perera, Kanishka 6 2001 Positive solutions of elliptic boundary value problems without the (P. S.) type assumption. Zbl 1030.35078Liu, Zhaoli; Li, Shujie; Wang, Zhi-Qiang 2 2001 Mountain pass theorem in order intervals and multiple solutions for semilinear elliptic Dirichlet problems. Zbl 0962.35065Li, Shujie; Wang, Zhi-Qiang 52 2000 Sign-changing and multiple solutions theorems for semilinear elliptic boundary value problems with jumping nonlinearities. Zbl 0951.35050Li, Shujie; Zhang, Zhitao 15 2000 Morse theory without (PS) condition at isolated values and strong resonance problems. Zbl 0956.58007Hirano, Norimichi; Li, Shujie; Wang, Zhi-Qiang 6 2000 Some aspects of semilinear elliptic boundary value problem. Zbl 0988.35062Li, Shujie 2 2000 Computations of critical groups at degenerate critical point and applications to nonlinear differential equations with resonance. Zbl 0981.58011Li, Shujie; Liu, J. Q. 34 1999 The computations of the critical groups with an application to elliptic resonant problems at a higher eigenvalue. Zbl 0935.35055Li, Shujie; Zou, Wenming 18 1999 Nontrivial solutions for resonant cooperative elliptic systems via computations of critical groups. Zbl 0940.35074Zou, Wenming; Li, Shujie; Liu, J. Q. 16 1999 Multiple solutions theorems for semilinear elliptic boundary value problems with resonance at infinity. Zbl 0952.35056Li, Shujie; Zhang, Zhitao 8 1999 Multiple solutions for asymptotically linear boundary value problems in which the nonlinearity crosses at least one eigenvalue. Zbl 0933.35066Li, Shujie; Willem, Michel 21 1998 Remarks on a class of elliptic problems with critical exponents. Zbl 0932.35094Li, Shujie; Zou, Wenming 12 1998 Periodic solutions of symmetric wave equations. Zbl 0909.35092Ding, Yanheng; Li, Shujie; Willem, Michel 9 1998 Critical point theory for asymptotically quadratic functionals and applications to problems with resonance. Zbl 0872.58018Bartsch, Thomas; Li, Shujie 164 1997 Existence of multiple solutions of a two-point boundary value problem at resonance. Zbl 0909.34018Li, Shujie; Su, Jiabao 9 1997 Periodic solutions of a superlinear wave equation. Zbl 0885.35074Ding, Yanheng; Li, Shujie 7 1997 Some minimax theorems on finding nontrivial critical points and their applications. Zbl 0897.58009Li, Shujie 1 1997 Existence of multiple critical points for an asymptotically quadratic functional with applications. Zbl 0938.58013Li, Shujie; Su, Jiabao 10 1996 Periodic solutions for a class of nonautonomous wave equations. Zbl 0879.35014Li, Shujie; Szulkin, Andrzej 5 1996 Periodic solutions of symmetric wave equations. Zbl 0860.35007Ding, Y.; Li, S.; Willem, M. 2 1996 Some aspects of nonlinear operators and critical point theory. Zbl 0847.58013Li, Shujie 2 1996 Applications of local linking to critical point theory. Zbl 0820.58012Li, Shujie; Willem, Michel 114 1995 Homoclinic orbits for first order Hamiltonian systems. Zbl 0818.34023Ding, Yanheng; Li, Shujie 33 1995 Some existence results of solutions for the semilinear elliptic equations on \(\mathbb{R}^ N\). Zbl 0829.35032Ding, Yansheng; Li, Shujie 7 1995 Periodic solutions for a class of singular nonautonomous second order system in a potential well. Zbl 0847.34041Coti Zelati, V.; Li, Shujie; Wu, Shaoping 1 1995 Remarks on multiple solutions for asymptotically linear elliptic boundary value problems. Zbl 0812.35031Chang, Kung Ching; Li, Shujie; Liu, Jiaquan 33 1994 Periodic solutions for a class of nonautonomous Hamiltonian systems. Zbl 0807.58040Li, Shujie; Szulkin, Andrzej 13 1994 Existence of entire solutions for some elliptic systems. Zbl 0814.35023Ding, Yanheng; Li, Shujie 11 1994 Periodic solutions of an asymptotically linear wave equation. Zbl 0798.35103Li, S.; Szulkin, A. 11 1993 Nontrivial critical points for asymptotically quadratic functions. Zbl 0767.35025Li, Shujie; Liu, J. Q. 21 1992 Periodic solutions of non-autonomous second order systems with superlinear terms. Zbl 0757.34021Li, Shujie 6 1992 A remark on periodic solutions of singular Hamiltonian systems with sublinear terms. Zbl 0767.34025Ding, Yanheng; Li, Shujie 1 1992 Multiple critical points of periodic functional and some applications. Zbl 0749.49015Li, Shujie 2 1991 A note on Palais-Smale condition and coercivity. Zbl 0782.58019Caklovic, L.; Li, Shujie; Willem, M. 16 1990 Morse theory and asymptotic linear Hamiltonian system. Zbl 0672.34037Li, Shujie; Liu, J. Q. 62 1989 Infinite dimensional local linking and some applications to the Hamiltonian systems. Zbl 0697.58020Li, Shujie; Liu, Jianquan 1 1989 An existence theorem on multiple critical points and its applications in nonlinear P.D.E. Zbl 0693.35060Li, Shujie 4 1986 An abstract critical point theorem and applications. Zbl 0633.58010Li, Shujie; Wang, Zhiqiang 3 1986 Multiple periodic solutions for an asymptotically linear wave equation. Zbl 0465.35007Chang, K. C.; Wu, S. P.; Li, Shujie 13 1982 Topological degree of the multivalued maximal monotone operator in Hilbert space. Zbl 0524.47040Li, Shujie; Feng, Dexing 6 1982 A remark on expanding maps. Zbl 0525.47046Chang, Kung-Ching; Li, Shujie 5 1982 A new proof and an extension of a theorem of P. Rabinowitz concerning nonlinear wave equations. Zbl 0504.35064Chang, K. C.; Li, Shujie; Dong, G. C. 3 1982 On the existence of infinitely many solutions of the Dirichlet problem for some nonlinear elliptic equations. Zbl 0503.35035Dong, Guangchang; Li, Shujie 3 1982 On the initial value problem for a nonlinear Schrödinger equation. Zbl 0475.35036Dong, Guang-Chang; Li, Shujie 8 1981 Topological degrees of monotone mappings. Zbl 0484.47027Feng, Dexing; Li, Shujie 3 1981 A boundary value problem for nonlinear telegraph equation. Zbl 0463.35057Dong, Guang-chang; Li, Shujie 1 1981 Positive solutions of nonconvex nonlinear eigenvalue problems. Zbl 0478.47037Li, Shujie 1 1980 all cited Publications top 5 cited Publications all top 5 Cited by 816 Authors 72 Papageorgiou, Nikolaos S. 37 Li, Shujie 30 Su, Jiabao 28 Zhang, Jihui 25 Tang, Chun-Lei 23 Zou, Wenming 18 Wang, Zhi-Qiang 18 Zhang, Zhitao 17 Liu, Zhaoli 17 Tang, Xianhua 16 Gasiński, Leszek 16 Motreanu, Dumitru 15 Chen, Jianqing 15 Liu, Shibo 15 Rădulescu, Vicenţiu D. 14 Li, Chong 13 Chen, Haibo 13 Ma, Shiwang 13 Wu, Xian 12 Pei, Ruichang 12 Schechter, Martin 12 Sun, Mingzheng 12 Yang, Yang 10 Chen, Guanwei 10 Ding, Yanheng 10 Liu, Jiaquan 10 Mao, Anmin 10 O’Regan, Donal 10 Zhang, Qingye 9 Bartsch, Thomas J. 9 Du, Yihong 9 Perera, Kanishka 8 Bonanno, Gabriele 8 Fei, Guihua 8 Li, Chun 8 Li, Fuyi 8 Liu, Chungen 8 Liu, Xiangqing 8 Motreanu, Viorica Venera 8 Ou, Zengqi 8 Rocha, Eugénio A. M. 8 Zhang, Fubao 8 Zhang, Ziheng 7 Agarwal, Ravi P. 7 Chen, Huiwen 7 Chen, Shaowei 7 Cheng, Rong 7 Da Silva, Edcarlos Domingos 7 Furtado, Marcelo Fernandes 7 He, Zhimin 7 Liu, Jinsheng 7 Pastor, Karel 7 Wang, Shuli 7 Winkert, Patrick 7 Wu, Xingping 7 Xu, Junxiang 6 de Paiva, Francisco Odair 6 El Amrouss, Abdel Rachid 6 Kyritsi, Sophia Th. 6 Liang, Zhanping 6 Liu, Hongliang 6 Luan, Shixia 6 Molica Bisci, Giovanni 6 Qian, Aixia 6 Rybicki, Sławomir Maciej 6 Santos, Carlos Alberto P. 6 Shi, Shaoyun 6 Song, Yueqiang 6 Staicu, Vasile 6 Tanaka, Mieko 6 Tang, Chunlei 6 Ye, Yiwei 6 Yuan, Rong 6 Zhao, Leiga 5 Candela, Anna Maria 5 Candito, Pasquale 5 Chang, Xiaojun 5 Filippakis, Michael E. 5 Guo, Yuxia 5 Guo, Zhiming 5 Huang, Yisheng 5 Izydorek, Marek 5 Ji, Shuguan 5 Jiang, Meiyue 5 Li, Anran 5 Li, Keqiang 5 Livrea, Roberto 5 Miyagaki, Olimpio Hiroshi 5 Repovš, Dušan D. 5 Sun, Juntao 5 Teng, Kaimin 5 Wang, Xing 5 Yang, Jianfu 5 Zhang, Jianming 4 Alves, Claudianor Oliveira 4 Bartolo, Rossella 4 Bin, Honghua 4 Chen, Caisheng 4 Cossio, Jorge 4 Costa, David Goldstein ...and 716 more Authors all top 5 Cited in 156 Serials 160 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 136 Journal of Mathematical Analysis and Applications 57 Journal of Differential Equations 37 Boundary Value Problems 26 Abstract and Applied Analysis 23 Journal of Functional Analysis 23 Calculus of Variations and Partial Differential Equations 20 Applied Mathematics and Computation 19 Applied Mathematics Letters 18 Nonlinear Analysis. Theory, Methods & Applications 17 Annali di Matematica Pura ed Applicata. Serie Quarta 17 Communications on Pure and Applied Analysis 15 Advanced Nonlinear Studies 13 Communications in Contemporary Mathematics 13 Advances in Difference Equations 13 Complex Variables and Elliptic Equations 12 Annales de l’Institut Henri Poincaré. Analyse Non Linéaire 12 Nonlinear Analysis. Real World Applications 11 Mathematical Methods in the Applied Sciences 10 Journal of Mathematical Physics 10 Acta Mathematica Sinica. English Series 9 Computers & Mathematics with Applications 9 Communications in Partial Differential Equations 9 NoDEA. Nonlinear Differential Equations and Applications 9 Mediterranean Journal of Mathematics 8 Rocky Mountain Journal of Mathematics 8 Mathematische Nachrichten 8 Transactions of the American Mathematical Society 7 Journal of Applied Mathematics and Computing 6 Glasgow Mathematical Journal 6 Proceedings of the American Mathematical Society 6 Mathematical and Computer Modelling 5 Applicable Analysis 5 ZAMP. Zeitschrift für angewandte Mathematik und Physik 5 Monatshefte für Mathematik 5 Topological Methods in Nonlinear Analysis 5 Journal of Function Spaces 4 Chaos, Solitons and Fractals 4 Mathematica Slovaca 4 Results in Mathematics 4 Zeitschrift für Analysis und ihre Anwendungen 4 Acta Mathematica Sinica. New Series 4 Journal of Difference Equations and Applications 4 Discrete and Continuous Dynamical Systems 4 Journal of Fixed Point Theory and Applications 4 Journal of Nonlinear Science and Applications 3 Bulletin of the Australian Mathematical Society 3 Journal d’Analyse Mathématique 3 Mathematical Notes 3 Journal of Computational and Applied Mathematics 3 Chinese Annals of Mathematics. Series B 3 Acta Applicandae Mathematicae 3 Acta Mathematicae Applicatae Sinica. English Series 3 Forum Mathematicum 3 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 3 European Series in Applied and Industrial Mathematics (ESAIM): Control, Optimization and Calculus of Variations 3 Positivity 3 Taiwanese Journal of Mathematics 3 Journal of Dynamical and Control Systems 3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 3 Milan Journal of Mathematics 3 Frontiers of Mathematics in China 3 Science China. Mathematics 2 Communications in Mathematical Physics 2 Indian Journal of Pure & Applied Mathematics 2 Israel Journal of Mathematics 2 Advances in Mathematics 2 Journal of Optimization Theory and Applications 2 Proceedings of the Edinburgh Mathematical Society. Series II 2 Rendiconti del Circolo Matemàtico di Palermo. Serie II 2 Tokyo Journal of Mathematics 2 Applied Mathematics and Mechanics. (English Edition) 2 Science in China. Series A 2 Journal de Mathématiques Pures et Appliquées. Neuvième Série 2 Journal of Dynamics and Differential Equations 2 Bulletin des Sciences Mathématiques 2 Chaos 2 Qualitative Theory of Dynamical Systems 2 Journal of Applied Mathematics 2 Analysis and Applications (Singapore) 2 International Journal of Differential Equations 2 Advances in Nonlinear Analysis 1 Archive for Rational Mechanics and Analysis 1 Communications on Pure and Applied Mathematics 1 Lithuanian Mathematical Journal 1 Ukrainian Mathematical Journal 1 Mathematics of Computation 1 Acta Mathematica Vietnamica 1 Anais da Academia Brasileira de Ciências 1 Annales Polonici Mathematici 1 Applied Mathematics and Optimization 1 Archiv der Mathematik 1 Czechoslovak Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of the Korean Mathematical Society 1 Journal of Mathematical Economics 1 Kybernetika 1 Manuscripta Mathematica 1 Mathematische Annalen 1 Mathematische Zeitschrift ...and 56 more Serials all top 5 Cited in 31 Fields 683 Partial differential equations (35-XX) 279 Global analysis, analysis on manifolds (58-XX) 181 Ordinary differential equations (34-XX) 143 Dynamical systems and ergodic theory (37-XX) 143 Operator theory (47-XX) 69 Calculus of variations and optimal control; optimization (49-XX) 35 Difference and functional equations (39-XX) 24 Mechanics of particles and systems (70-XX) 15 Numerical analysis (65-XX) 13 Functional analysis (46-XX) 12 Biology and other natural sciences (92-XX) 8 Integral equations (45-XX) 8 Differential geometry (53-XX) 7 Potential theory (31-XX) 7 Operations research, mathematical programming (90-XX) 6 Mechanics of deformable solids (74-XX) 6 Quantum theory (81-XX) 4 Fluid mechanics (76-XX) 3 Algebraic topology (55-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Real functions (26-XX) 2 General topology (54-XX) 2 Probability theory and stochastic processes (60-XX) 1 History and biography (01-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Approximations and expansions (41-XX) 1 Computer science (68-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX) Citations by Year