Wu, Ke; Wu, Xian; Zhou, Fen Multiplicity results of periodic solutions for a class of second order delay differential systems. (English) Zbl 1256.34058 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 15, 5836-5844 (2012). Reviewer: Zhiqing Han (Dalian) MSC: 34K13 34K10 58E50 PDFBibTeX XMLCite \textit{K. Wu} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 15, 5836--5844 (2012; Zbl 1256.34058) Full Text: DOI
Nie, Jianjun; Wu, Xian Existence and multiplicity of non-trivial solutions for Schrödinger-Kirchhoff-type equations with radial potential. (English) Zbl 1239.35131 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 8, 3470-3479 (2012). MSC: 35Q41 35A01 PDFBibTeX XMLCite \textit{J. Nie} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 75, No. 8, 3470--3479 (2012; Zbl 1239.35131) Full Text: DOI
Duan, Shengzhong; Wu, Xian An existence result for a class of \(p\)-Laplacian elliptic systems involving homogeneous nonlinearities in \(\mathbb R^N\). (English) Zbl 1222.35080 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 14, 4723-4737 (2011). MSC: 35J50 35A15 PDFBibTeX XMLCite \textit{S. Duan} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 14, 4723--4737 (2011; Zbl 1222.35080) Full Text: DOI
Wu, Xian; Zhang, Wei Existence and multiplicity of homoclinic solutions for a class of damped vibration problems. (English) Zbl 1229.34070 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 13, 4392-4398 (2011). Reviewer: Ovidiu Cârjă (Iaşi) MSC: 34C37 58E05 PDFBibTeX XMLCite \textit{X. Wu} and \textit{W. Zhang}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 13, 4392--4398 (2011; Zbl 1229.34070) Full Text: DOI
Duan, Shengzhong; Wu, Xian The existence of solutions for a class of semilinear elliptic systems. (English) Zbl 1198.35080 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 9, 2842-2854 (2010). MSC: 35J57 35J47 35J50 35D30 PDFBibTeX XMLCite \textit{S. Duan} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 9, 2842--2854 (2010; Zbl 1198.35080) Full Text: DOI
Wu, Ke; Wu, Xian Existence of periodic solutions for a class of first order delay differential equations dealing with vectors. (English) Zbl 1236.34095 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 12, 4518-4529 (2010). Reviewer: Shangjiang Guo (Changsha) MSC: 34K13 58E30 PDFBibTeX XMLCite \textit{K. Wu} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 12, 4518--4529 (2010; Zbl 1236.34095) Full Text: DOI
Duan, Shengzhong; Wu, Xian The local linking theorem with an application to a class of second-order systems. (English) Zbl 1195.34059 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 5, 2488-2498 (2010). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 34C37 58E05 PDFBibTeX XMLCite \textit{S. Duan} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 5, 2488--2498 (2010; Zbl 1195.34059) Full Text: DOI
Li, Xian; Wu, Xian; Wu, Ke On a class of damped vibration problems with super-quadratic potentials. (English) Zbl 1186.34056 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 1, 135-142 (2010). MSC: 34C25 34B15 58E05 PDFBibTeX XMLCite \textit{X. Li} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 1, 135--142 (2010; Zbl 1186.34056) Full Text: DOI
Cheng, Bitao; Wu, Xian Existence results of positive solutions of Kirchhoff type problems. (English) Zbl 1175.35038 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 10, 4883-4892 (2009). MSC: 35J20 35B38 49J40 PDFBibTeX XMLCite \textit{B. Cheng} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 10, 4883--4892 (2009; Zbl 1175.35038) Full Text: DOI
Wu, Xian; Li, Xian Existence and multiplicity of solutions for a class of forced vibration problems with obstacles. (English) Zbl 1176.34023 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 7-8, 3563-3570 (2009). MSC: 34B15 58E05 PDFBibTeX XMLCite \textit{X. Wu} and \textit{X. Li}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 7--8, 3563--3570 (2009; Zbl 1176.34023) Full Text: DOI
Wu, Xian Existence of solutions for elliptic equations with discontinuous nonlinearities strong resonance at infinity. (English) Zbl 1165.35344 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 12, 4441-4450 (2009). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 47H04 PDFBibTeX XMLCite \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 12, 4441--4450 (2009; Zbl 1165.35344) Full Text: DOI
Teng, Kai-Min; Wu, Xian Existence and subharmonicity of solutions for nonlinear non-smooth periodic systems with a \(p\)-Laplacian. (English) Zbl 1146.34036 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3742-3756 (2008). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 58E30 PDFBibTeX XMLCite \textit{K.-M. Teng} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3742--3756 (2008; Zbl 1146.34036) Full Text: DOI
Teng, Kaimin; Wu, Xian Multiplicity results for semilinear resonant elliptic problems with discontinuous nonlinearities. (English) Zbl 1137.35381 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 6, 1652-1667 (2008). MSC: 35J65 58E05 PDFBibTeX XMLCite \textit{K. Teng} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 6, 1652--1667 (2008; Zbl 1137.35381) Full Text: DOI
Wu, Xian; Chen, Shaoxiong; Teng, Kaimin On variational methods for a class of damped vibration problems. (English) Zbl 1141.34011 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 6, 1432-1441 (2008). Reviewer: Marek Galewski (Łódź) MSC: 34B15 47H04 PDFBibTeX XMLCite \textit{X. Wu} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 6, 1432--1441 (2008; Zbl 1141.34011) Full Text: DOI
Wu, Xian A new critical point theorem for locally Lipschitz functionals with applications to differential equations. (English) Zbl 1387.35161 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 3, 624-638 (2007). MSC: 35J20 35J70 35P05 35P30 34B15 58E05 58E30 47H04 PDFBibTeX XMLCite \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 3, 624--638 (2007; Zbl 1387.35161) Full Text: DOI
Wu, Xian; Tan, Kok-Keong On existence and multiplicity of solutions of Neumann boundary value problems for quasi-linear elliptic equations. (English) Zbl 1109.35047 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 7, 1334-1347 (2006). MSC: 35J60 35J25 58E05 47N20 PDFBibTeX XMLCite \textit{X. Wu} and \textit{K.-K. Tan}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 7, 1334--1347 (2006; Zbl 1109.35047) Full Text: DOI
Zhao, Fukun; Wu, Xian Existence and multiplicity of periodic solution for non-autonomous second-order systems with linear nonlinearity. (English) Zbl 1087.34022 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 60, No. 2, 325-335 (2005). Reviewer: Bojidar Cheshankov (Sofia) MSC: 34C25 34B15 37J45 47J30 PDFBibTeX XMLCite \textit{F. Zhao} and \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 60, No. 2, 325--335 (2005; Zbl 1087.34022) Full Text: DOI
Wu, Xian Saddle point characterization and multiplicity of periodic solutions of non-autonomous second-order systems. (English) Zbl 1058.34053 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 58, No. 7-8, 899-907 (2004). Reviewer: Emil Minchev (Tokyo) MSC: 34C25 58E30 PDFBibTeX XMLCite \textit{X. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 58, No. 7--8, 899--907 (2004; Zbl 1058.34053) Full Text: DOI