Luo, Ying; Guo, Fei Infinitely many rotating periodic solutions for local superquadratic damped Hamiltonian systems with sublinear impulsive effects. (English) Zbl 1508.37077 J. Math. Anal. Appl. 519, No. 1, Article ID 126800, 15 p. (2023). MSC: 37J46 34A37 PDFBibTeX XMLCite \textit{Y. Luo} and \textit{F. Guo}, J. Math. Anal. Appl. 519, No. 1, Article ID 126800, 15 p. (2023; Zbl 1508.37077) Full Text: DOI
Liu, Yan; Guo, Fei Multiplicity of periodic solutions for second-order perturbed Hamiltonian systems with local superquadratic conditions. (English) Zbl 1505.37069 Commun. Pure Appl. Anal. 21, No. 10, 3247-3261 (2022). MSC: 37J40 37J46 70H09 70H12 PDFBibTeX XMLCite \textit{Y. Liu} and \textit{F. Guo}, Commun. Pure Appl. Anal. 21, No. 10, 3247--3261 (2022; Zbl 1505.37069) Full Text: DOI
Liu, Peng; Guo, Fei Multiplicity of homoclinic solutions for second order Hamiltonian systems with local conditions at the origin. (English) Zbl 1496.37064 Acta Math. Sin., Engl. Ser. 38, No. 4, 735-744 (2022). MSC: 37J46 37J65 37C29 PDFBibTeX XMLCite \textit{P. Liu} and \textit{F. Guo}, Acta Math. Sin., Engl. Ser. 38, No. 4, 735--744 (2022; Zbl 1496.37064) Full Text: DOI
Zheng, Lingling; Guo, Fei Existence of periodic solutions for a class of local super-quadratic second-order Hamiltonian systems with perturbations. (Chinese. English summary) Zbl 1474.34276 J. Northeast Norm. Univ., Nat. Sci. Ed. 52, No. 4, 19-24 (2020). MSC: 34C25 37J46 34E10 58E50 PDFBibTeX XMLCite \textit{L. Zheng} and \textit{F. Guo}, J. Northeast Norm. Univ., Nat. Sci. Ed. 52, No. 4, 19--24 (2020; Zbl 1474.34276) Full Text: DOI
Liu, Peng; Guo, Fei Multiplicity of periodic solutions for second order Hamiltonian systems with asymptotically quadratic conditions. (English) Zbl 1430.37066 Acta Math. Sin., Engl. Ser. 36, No. 1, 55-65 (2020). MSC: 37J46 70H12 PDFBibTeX XMLCite \textit{P. Liu} and \textit{F. Guo}, Acta Math. Sin., Engl. Ser. 36, No. 1, 55--65 (2020; Zbl 1430.37066) Full Text: DOI
Huang, Delong; Guo, Fei Multiplicity of periodic solutions for a class of non-autonomous second-order Hamiltonian systems. (Chinese. English summary) Zbl 1449.37043 Acta Sci. Nat. Univ. Nankaiensis 52, No. 4, 57-61 (2019). MSC: 37J46 37J51 PDFBibTeX XMLCite \textit{D. Huang} and \textit{F. Guo}, Acta Sci. Nat. Univ. Nankaiensis 52, No. 4, 57--61 (2019; Zbl 1449.37043)
Nie, Qianqian; Guo, Fei Periodic solutions for a class of second order superquadratic nonautonomous Hamiltonian systems. (Chinese. English summary) Zbl 1438.37036 J. Northeast Norm. Univ., Nat. Sci. Ed. 50, No. 3, 38-42 (2018). MSC: 37J46 37J65 PDFBibTeX XMLCite \textit{Q. Nie} and \textit{F. Guo}, J. Northeast Norm. Univ., Nat. Sci. Ed. 50, No. 3, 38--42 (2018; Zbl 1438.37036) Full Text: DOI
Chen, Xingfan; Guo, Fei; Liu, Peng Existence of periodic solutions for second-order Hamiltonian systems with asymptotically linear conditions. (English) Zbl 1408.37104 Front. Math. China 13, No. 6, 1313-1323 (2018). MSC: 37J45 34C25 47E05 49J35 58E50 PDFBibTeX XMLCite \textit{X. Chen} et al., Front. Math. China 13, No. 6, 1313--1323 (2018; Zbl 1408.37104) Full Text: DOI
Wang, Mingwei; Guo, Fei; Nie, Qianqian Existence of periodic solutions for second order Hamiltonian systems with mixed condition. (Chinese. English summary) Zbl 1413.37048 J. Sichuan Univ., Nat. Sci. Ed. 55, No. 2, 221-225 (2018). MSC: 37J45 70H12 PDFBibTeX XMLCite \textit{M. Wang} et al., J. Sichuan Univ., Nat. Sci. Ed. 55, No. 2, 221--225 (2018; Zbl 1413.37048) Full Text: DOI
Wang, Mingwei; Guo, Fei; Nie, Qianqian Multiplicity of periodic solutions for second order Hamiltonian systems with locally defined potentials. (English) Zbl 1413.35049 Acta Sci. Nat. Univ. Nankaiensis 51, No. 2, 86-91 (2018). MSC: 35B10 37J45 PDFBibTeX XMLCite \textit{M. Wang} et al., Acta Sci. Nat. Univ. Nankaiensis 51, No. 2, 86--91 (2018; Zbl 1413.35049)
Nie, Qianqian; Guo, Fei; Wang, Mingwei Generalized nonsmooth saddle point theorem and its applications on second order Hamiltonian systems. (English) Zbl 1380.70040 Chaos Solitons Fractals 104, 741-747 (2017). MSC: 70H05 37J45 49J35 34C25 PDFBibTeX XMLCite \textit{Q. Nie} et al., Chaos Solitons Fractals 104, 741--747 (2017; Zbl 1380.70040) Full Text: DOI
Guo, Fei; Xing, Qin On existence of periodic solutions for one type of sub-quadratic Hamiltonian systems. (Chinese. English summary) Zbl 1374.37080 Acta Sci. Nat. Univ. Nankaiensis 49, No. 5, 84-91 (2016). MSC: 37J45 PDFBibTeX XMLCite \textit{F. Guo} and \textit{Q. Xing}, Acta Sci. Nat. Univ. Nankaiensis 49, No. 5, 84--91 (2016; Zbl 1374.37080)
Xing, Qin; Guo, Fei; Zhang, Xiaofei One generalized critical point theorem and its applications on super-quadratic Hamiltonian systems. (English) Zbl 1359.37126 Taiwanese J. Math. 20, No. 5, 1093-1116 (2016). MSC: 37J45 34A12 70H05 34C25 PDFBibTeX XMLCite \textit{Q. Xing} et al., Taiwanese J. Math. 20, No. 5, 1093--1116 (2016; Zbl 1359.37126) Full Text: DOI
Zhang, Xiao-Fei; Guo, Fei Multiplicity of subharmonic solutions and periodic solutions of a particular type of super-quadratic Hamiltonian systems. (English) Zbl 1370.37119 Commun. Pure Appl. Anal. 15, No. 5, 1625-1642 (2016). MSC: 37J45 37J10 PDFBibTeX XMLCite \textit{X.-F. Zhang} and \textit{F. Guo}, Commun. Pure Appl. Anal. 15, No. 5, 1625--1642 (2016; Zbl 1370.37119) Full Text: DOI
Chen, Xingfan; Guo, Fei Existence and multiplicity of periodic solutions for nonautonomous second order Hamiltonian systems. (English) Zbl 1342.34059 Bound. Value Probl. 2016, Paper No. 138, 10 p. (2016). MSC: 34C25 37J45 47E05 49J35 58E50 PDFBibTeX XMLCite \textit{X. Chen} and \textit{F. Guo}, Bound. Value Probl. 2016, Paper No. 138, 10 p. (2016; Zbl 1342.34059) Full Text: DOI
Zhang, Xiaofei; Guo, Fei Existence of periodic solutions of a particular type of super-quadratic Hamiltonian systems. (English) Zbl 1308.34054 J. Math. Anal. Appl. 421, No. 2, 1587-1602 (2015). Reviewer: Andrzej Szulkin (Stockholm) MSC: 34C25 37J45 58E30 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{F. Guo}, J. Math. Anal. Appl. 421, No. 2, 1587--1602 (2015; Zbl 1308.34054) Full Text: DOI
Li, Chong; Wang, Xinfeng; Guo, Fei Subharmonic solutions of subquadratic Hamiltonian systems. (English) Zbl 1265.37025 Acta Sci. Nat. Univ. Nankaiensis 44, No. 5, 27-33 (2011). MSC: 37J45 37B30 PDFBibTeX XMLCite \textit{C. Li} et al., Acta Sci. Nat. Univ. Nankaiensis 44, No. 5, 27--33 (2011; Zbl 1265.37025)
Guo, Fei; Liu, Chungen Multiplicity of characteristics with Lagrangian boundary values on symmetric star-shaped hypersurfaces. (English) Zbl 1180.53079 J. Math. Anal. Appl. 353, No. 1, 88-98 (2009). Reviewer: Milena Radnovic (Beograd) MSC: 53D12 37J45 37J05 70H05 PDFBibTeX XMLCite \textit{F. Guo} and \textit{C. Liu}, J. Math. Anal. Appl. 353, No. 1, 88--98 (2009; Zbl 1180.53079) Full Text: DOI
Guo, Fei; Liu, Chungen Existence of a Lagrangian orbit on star-shaped hypersurfaces. (English) Zbl 1199.37127 Acta Sci. Nat. Univ. Nankaiensis 41, No. 4, 84-90 (2008). MSC: 37J45 53A10 PDFBibTeX XMLCite \textit{F. Guo} and \textit{C. Liu}, Acta Sci. Nat. Univ. Nankaiensis 41, No. 4, 84--90 (2008; Zbl 1199.37127)
Guo, Fei; Liu, Chungen Multiplicity of Lagrangian orbits on symmetric star-shaped hypersurfaces. (English) Zbl 1153.37407 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 4, 1425-1436 (2008). MSC: 37J45 53A10 PDFBibTeX XMLCite \textit{F. Guo} and \textit{C. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 4, 1425--1436 (2008; Zbl 1153.37407) Full Text: DOI