Fei, Guihua Multiple periodic solutions of differential delay equations via Hamiltonian systems. II. (English) Zbl 1136.34330 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 1, 40-58 (2006). Reviewer: Meng Fan (MR2226258) MSC: 34K13 37J45 58E05 PDFBibTeX XMLCite \textit{G. Fei}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 1, 40--58 (2006; Zbl 1136.34330) Full Text: DOI
Fei, Guihua Multiple periodic solutions of differential delay equations via Hamiltonian systems. I. (English) Zbl 1136.34329 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 1, 25-39 (2006). Reviewer: Meng Fan (MR2226257) MSC: 34K13 37J45 58E05 PDFBibTeX XMLCite \textit{G. Fei}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 65, No. 1, 25--39 (2006; Zbl 1136.34329) Full Text: DOI
Fei, Guihua On resonance Hamiltonian systems without the Palais-Smale condition. (English) Zbl 1135.37324 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 61, No. 6, 1041-1056 (2005). MSC: 37J45 34C25 37B30 58E05 PDFBibTeX XMLCite \textit{G. Fei}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 61, No. 6, 1041--1056 (2005; Zbl 1135.37324) Full Text: DOI
Fei, Guihua; Kim, Soon-Kyu; Wang, Tixian Periodic solutions of classical Hamiltonian systems without Palais-Smale condition. (English) Zbl 0994.37032 J. Math. Anal. Appl. 267, No. 2, 665-678 (2002). Reviewer: Thomas J.Bartsch (Gießen) MSC: 37J45 37C25 70H05 37B30 70H12 PDFBibTeX XMLCite \textit{G. Fei} et al., J. Math. Anal. Appl. 267, No. 2, 665--678 (2002; Zbl 0994.37032) Full Text: DOI
Fei, Guihua; Kim, Soon-Kyu; Wang, Tixiang Solutions of minimal period for even classical Hamiltonian systems. (English) Zbl 0964.37040 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 43, No. 3, 363-375 (2001). Reviewer: Jacobo Pejsachowicz (Torino) MSC: 37J45 PDFBibTeX XMLCite \textit{G. Fei} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 43, No. 3, 363--375 (2001; Zbl 0964.37040) Full Text: DOI
Fei, Guihua; Qiu, Qingjiu Minimal periodic solutions of nonlinear Hamiltonian systems. (English) Zbl 0858.34034 Nonlinear Anal., Theory Methods Appl. 27, No. 7, 821-829 (1996). Reviewer: Á.Bosznay (Budapest) MSC: 34C25 37J99 PDFBibTeX XMLCite \textit{G. Fei} and \textit{Q. Qiu}, Nonlinear Anal., Theory Methods Appl. 27, No. 7, 821--829 (1996; Zbl 0858.34034) Full Text: DOI