Zou, Wenming; Li, Shujie Infinitely many homoclinic orbits for the second-order Hamiltonian systems. (English) Zbl 1039.37044 Appl. Math. Lett. 16, No. 8, 1283-1287 (2003). MSC: 37J45 34C37 37C29 58E05 PDFBibTeX XMLCite \textit{W. Zou} and \textit{S. Li}, Appl. Math. Lett. 16, No. 8, 1283--1287 (2003; Zbl 1039.37044) Full Text: DOI
Sun, Yijing; Li, Shujie Structure of ground state solutions of singular semilinear elliptic equations. (English) Zbl 1122.35341 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 55, No. 4, 399-417 (2003). MSC: 35J60 34B40 35A30 PDFBibTeX XMLCite \textit{Y. Sun} and \textit{S. Li}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 55, No. 4, 399--417 (2003; Zbl 1122.35341) Full Text: DOI
Zou, Wenming; Li, Shujie Infinitely many solutions for Hamiltonian systems. (English) Zbl 1508.37080 J. Differ. Equations 186, No. 1, 141-164 (2002). MSC: 37J51 34C25 58E05 PDFBibTeX XMLCite \textit{W. Zou} and \textit{S. Li}, J. Differ. Equations 186, No. 1, 141--164 (2002; Zbl 1508.37080) Full Text: DOI
Bartsch, Thomas; Li, Shujie Critical point theory for asymptotically quadratic functionals and applications to problems with resonance. (English) Zbl 0872.58018 Nonlinear Anal., Theory Methods Appl. 28, No. 3, 419-441 (1997). Reviewer: A.Szulkin (Stockholm) MSC: 58E05 34B15 35J65 PDFBibTeX XMLCite \textit{T. Bartsch} and \textit{S. Li}, Nonlinear Anal., Theory Methods Appl. 28, No. 3, 419--441 (1997; Zbl 0872.58018) Full Text: DOI
Li, Shujie; Su, Jiabao Existence of multiple solutions of a two-point boundary value problem at resonance. (English) Zbl 0909.34018 Topol. Methods Nonlinear Anal. 10, No. 1, 123-135 (1997). Reviewer: J.Mawhin (Louvain-La-Neuve) MSC: 34B15 47J05 47N20 PDFBibTeX XMLCite \textit{S. Li} and \textit{J. Su}, Topol. Methods Nonlinear Anal. 10, No. 1, 123--135 (1997; Zbl 0909.34018) Full Text: DOI
Li, Shujie Some minimax theorems on finding nontrivial critical points and their applications. (English) Zbl 0897.58009 Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4135-4144 (1997). Reviewer: V.Moroz (Minsk) MSC: 58E05 34B15 35J60 35K60 PDFBibTeX XMLCite \textit{S. Li}, Nonlinear Anal., Theory Methods Appl. 30, No. 7, 4135--4144 (1997; Zbl 0897.58009) Full Text: DOI
Li, Shujie; Su, Jiabao Existence of multiple critical points for an asymptotically quadratic functional with applications. (English) Zbl 0938.58013 Abstr. Appl. Anal. 1, No. 3, 277-289 (1996). Reviewer: Thomas J.Bartsch (Gießen) MSC: 58E05 34C25 PDFBibTeX XMLCite \textit{S. Li} and \textit{J. Su}, Abstr. Appl. Anal. 1, No. 3, 277--289 (1996; Zbl 0938.58013) Full Text: DOI EuDML Link
Coti Zelati, V.; Li, Shujie; Wu, Shaoping Periodic solutions for a class of singular nonautonomous second order system in a potential well. (English) Zbl 0847.34041 Ambrosetti, Antonio (ed.) et al., Variational methods in nonlinear analysis. Papers presented during the 14th course, Erice, Sicily, Italy, May 12-20, 1992. Basel: Gordon and Breach Publishers. 67-76 (1995). Reviewer: V.Komkov (Roswell) MSC: 34C25 PDFBibTeX XMLCite \textit{V. Coti Zelati} et al., in: Variational methods in nonlinear analysis. Papers presented during the 14th course, Erice, Sicily, Italy, May 12-20, 1992. Basel: Gordon and Breach Publishers. 67--76 (1995; Zbl 0847.34041)
Ding, Yanheng; Li, Shujie Homoclinic orbits for first order Hamiltonian systems. (English) Zbl 0818.34023 J. Math. Anal. Appl. 189, No. 2, 585-601 (1995). Reviewer: J.Andres (Olomouc) MSC: 34C37 37J99 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, J. Math. Anal. Appl. 189, No. 2, 585--601 (1995; Zbl 0818.34023) Full Text: DOI
Li, Shujie; Szulkin, Andrzej Periodic solutions for a class of nonautonomous Hamiltonian systems. (English) Zbl 0807.58040 J. Differ. Equations 112, No. 1, 226-238 (1994). Reviewer: G.Osipenko (St.Peterburg) MSC: 37G99 70H05 34C25 PDFBibTeX XMLCite \textit{S. Li} and \textit{A. Szulkin}, J. Differ. Equations 112, No. 1, 226--238 (1994; Zbl 0807.58040) Full Text: DOI
Ding, Yanheng; Li, Shujie Periodic solutions of a class of Hamiltonian systems with singular potentials. (English) Zbl 0788.34035 Northeast. Math. J. 9, No. 1, 91-98 (1993). Reviewer: S.G.Khristova (Plovdiv) MSC: 34C25 37J99 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, Northeast. Math. J. 9, No. 1, 91--98 (1993; Zbl 0788.34035)
Ding, Yanheng; Li, Shujie On the existence of infinitely many periodic solutions of Hamiltonian systems in a potential well. (Chinese) Zbl 0781.34033 Acta Math. Sin. 36, No. 1, 25-30 (1993). Reviewer: Wang Zhicheng (Changsha) MSC: 34C25 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, Acta Math. Sin. 36, No. 1, 25--30 (1993; Zbl 0781.34033)
Li, Shujie Periodic solutions of non-autonomous second order systems with superlinear terms. (English) Zbl 0757.34021 Differ. Integral Equ. 5, No. 6, 1419-1424 (1992). Reviewer: C.Simirad (Iaşi) MSC: 34B15 49J35 49J40 34C25 PDFBibTeX XMLCite \textit{S. Li}, Differ. Integral Equ. 5, No. 6, 1419--1424 (1992; Zbl 0757.34021)
Li, Shujie Periodic solutions for Hamiltonian systems in a nonconvex potential well. (English) Zbl 0757.58030 Acta Math. Sci. 12, No. 2, 171-178 (1992). Reviewer: Ding Tongren (Beijing) MSC: 37G99 34C25 PDFBibTeX XMLCite \textit{S. Li}, Acta Math. Sci. 12, No. 2, 171--178 (1992; Zbl 0757.58030)
Ding, Yanheng; Li, Shujie Periodic solutions of some singular dynamical systems in a potential well. (Chinese) Zbl 0771.34030 Chin. Ann. Math., Ser. A 13, No. 5, 546-554 (1992). Reviewer: F.Ling (Hoboken) MSC: 34C25 70H05 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, Chin. Ann. Math., Ser. A 13, No. 5, 546--554 (1992; Zbl 0771.34030)
Ding, Yanheng; Li, Shujie Periodic solutions of fixed energy for some second order Hamiltonian systems. (English) Zbl 0767.34024 Chin. Sci. Bull. 37, No. 18, 1497-1503 (1992). Reviewer: E.Brommundt (Braunschweig) MSC: 34C25 70H05 70K25 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, Chin. Sci. Bull. 37, No. 18, 1497--1503 (1992; Zbl 0767.34024) Full Text: DOI
Ding, Yanheng; Li, Shujie A remark on periodic solutions of singular Hamiltonian systems with sublinear terms. (English) Zbl 0767.34025 Syst. Sci. Math. Sci. 5, No. 2, 121-126 (1992). Reviewer: E.Brommundt (Braunschweig) MSC: 34C25 PDFBibTeX XMLCite \textit{Y. Ding} and \textit{S. Li}, Syst. Sci. Math. Sci. 5, No. 2, 121--126 (1992; Zbl 0767.34025)
Li, Shujie; Feng, Dexing A new proof of the Hadamard monodromy theorem and the periodic solution for a class of ODE systems at resonance. (English) Zbl 0734.34031 Syst. Sci. Math. Sci. 3, No. 1, 76-82 (1990). MSC: 34C25 58C99 PDFBibTeX XMLCite \textit{S. Li} and \textit{D. Feng}, Syst. Sci. Math. Sci. 3, No. 1, 76--82 (1990; Zbl 0734.34031)
Li, Shujie; Liu, J. Q. Morse theory and asymptotic linear Hamiltonian system. (English) Zbl 0672.34037 J. Differ. Equations 78, No. 1, 53-73 (1989). Reviewer: A.Halanay MSC: 34C25 70H05 PDFBibTeX XMLCite \textit{S. Li} and \textit{J. Q. Liu}, J. Differ. Equations 78, No. 1, 53--73 (1989; Zbl 0672.34037) Full Text: DOI
Li, Shujie Multiple periodic solutions of some second order dynamical system. (English) Zbl 0729.58043 Rend. Ist. Mat. Univ. Trieste 20, No. 1, 89-99 (1988). Reviewer: B.A.Shcherbakov and V.A.Glavan (Kishinev) MSC: 37G99 34C25 70H05 PDFBibTeX XMLCite \textit{S. Li}, Rend. Ist. Mat. Univ. Trieste 20, No. 1, 89--99 (1988; Zbl 0729.58043)
Feng, Dexing; Li, Shujie A class of nonlinear models of population growth. (Chinese. English summary) Zbl 0637.92012 J. Syst. Sci. Math. Sci. 7, 360-365 (1987). MSC: 92D25 34C25 34E99 PDFBibTeX XMLCite \textit{D. Feng} and \textit{S. Li}, J. Syst. Sci. Math. Sci. 7, 360--365 (1987; Zbl 0637.92012)
Li, Shujie; Feng, Dexing The unique existence of a periodic solution for a class of ordinary differential equations systems at resonance. (Chinese. English summary) Zbl 0618.34032 J. Syst. Sci. Math. Sci. 6, 241-246 (1986). MSC: 34C25 PDFBibTeX XMLCite \textit{S. Li} and \textit{D. Feng}, J. Syst. Sci. Math. Sci. 6, 241--246 (1986; Zbl 0618.34032)