Liu, Shibo; Shen, Zupei Generalized saddle point theorem and asymptotically linear problems with periodic potential. (English) Zbl 1282.35171 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 86, 52-57 (2013). MSC: 35J60 35J20 58E05 PDF BibTeX XML Cite \textit{S. Liu} and \textit{Z. Shen}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 86, 52--57 (2013; Zbl 1282.35171) Full Text: DOI
Li, Chong; Liu, Shibo Homology of saddle point reduction and applications to resonant elliptic systems. (English) Zbl 1262.58011 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 81, 236-246 (2013). MSC: 58E05 35J60 PDF BibTeX XML Cite \textit{C. Li} and \textit{S. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 81, 236--246 (2013; Zbl 1262.58011) Full Text: DOI arXiv
Alves, Claudianor O.; Liu, Shibo On superlinear \(p(x)\)-Laplacian equations in \(\mathbb R^N\). (English) Zbl 1194.35142 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 8, 2566-2579 (2010). MSC: 35J60 58E05 35J20 35J70 PDF BibTeX XML Cite \textit{C. O. Alves} and \textit{S. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 8, 2566--2579 (2010; Zbl 1194.35142) Full Text: DOI
Liu, Shibo On superlinear problems without the Ambrosetti and Rabinowitz condition. (English) Zbl 1192.35074 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 3, 788-795 (2010). MSC: 35J62 58E05 35J92 35J20 PDF BibTeX XML Cite \textit{S. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 73, No. 3, 788--795 (2010; Zbl 1192.35074) Full Text: DOI
Liu, Shibo Nontrivial solutions for elliptic resonant problems. (English) Zbl 1154.35357 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 5, 1965-1974 (2009). MSC: 35J65 58E05 PDF BibTeX XML Cite \textit{S. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 5, 1965--1974 (2009; Zbl 1154.35357) Full Text: DOI
Liu, Shibo; Li, Shujie An elliptic equation with concave and convex nonlinearities. (English) Zbl 1217.35067 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 53, No. 6, 723-731 (2003). MSC: 35J60 47J30 PDF BibTeX XML Cite \textit{S. Liu} and \textit{S. Li}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 53, No. 6, 723--731 (2003; Zbl 1217.35067) Full Text: DOI