Ma, Ruyun; Zhu, Yan; Zhang, Yali; Yang, Lijuan Spectrum and global bifurcation results for nonlinear second-order problem on all of \(\mathbb{R}\). (English) Zbl 1514.34074 Ann. Funct. Anal. 14, No. 1, Paper No. 3, 20 p. (2023). Reviewer: Mohsen Timoumi (Monastir) MSC: 34C37 34B09 34C23 34L15 PDFBibTeX XMLCite \textit{R. Ma} et al., Ann. Funct. Anal. 14, No. 1, Paper No. 3, 20 p. (2023; Zbl 1514.34074) Full Text: DOI
Gao, Chenghua; Li, Xiaolong; Ma, Ruyun Eigenvalues of a linear fourth-order differential operator with squared spectral parameter in a boundary condition. (English) Zbl 1401.34095 Mediterr. J. Math. 15, No. 3, Paper No. 107, 14 p. (2018). Reviewer: Erdogan Sen (Tekirdağ) MSC: 34L15 34L05 34L10 34B09 PDFBibTeX XMLCite \textit{C. Gao} et al., Mediterr. J. Math. 15, No. 3, Paper No. 107, 14 p. (2018; Zbl 1401.34095) Full Text: DOI
Xu, Man; Ma, Ruyun On a fourth-order boundary value problem at resonance. (English) Zbl 1375.34032 J. Funct. Spaces 2017, Article ID 2641856, 7 p. (2017). Reviewer: Yulian An (Shanghai) MSC: 34B09 34L15 47N20 PDFBibTeX XMLCite \textit{M. Xu} and \textit{R. Ma}, J. Funct. Spaces 2017, Article ID 2641856, 7 p. (2017; Zbl 1375.34032) Full Text: DOI
Wang, Jinxiang; Ma, Ruyun \(S\)-shaped connected component for the fourth-order boundary value problem. (English) Zbl 1365.34040 Bound. Value Probl. 2016, Paper No. 189, 13 p. (2016). Reviewer: Tatuana Badokina (Saransk) MSC: 34B09 34B18 34C23 34L15 PDFBibTeX XMLCite \textit{J. Wang} and \textit{R. Ma}, Bound. Value Probl. 2016, Paper No. 189, 13 p. (2016; Zbl 1365.34040) Full Text: DOI
Gao, Chenghua; Ma, Ruyun Eigenvalues of discrete linear second-order periodic and antiperiodic eigenvalue problems with sign-changing weight. (English) Zbl 1305.39008 Linear Algebra Appl. 467, 40-56 (2015). MSC: 39A12 39A06 34L15 PDFBibTeX XMLCite \textit{C. Gao} and \textit{R. Ma}, Linear Algebra Appl. 467, 40--56 (2015; Zbl 1305.39008) Full Text: DOI
Dai, Guowei; Ma, Ruyun Bifurcation from intervals for Sturm-Liouville problems and its applications. (English) Zbl 1292.34027 Electron. J. Differ. Equ. 2014, Paper No. 03, 10 p. (2014). MSC: 34B24 34C23 34B09 34L15 PDFBibTeX XMLCite \textit{G. Dai} and \textit{R. Ma}, Electron. J. Differ. Equ. 2014, Paper No. 03, 10 p. (2014; Zbl 1292.34027) Full Text: EMIS
Ma, Ruyun; Gao, Chenghua; Lu, Yanqiong Spectrum of discrete second-order Neumann boundary value problems with sign-changing weight. (English) Zbl 1294.39002 Abstr. Appl. Anal. 2013, Article ID 280508, 10 p. (2013). MSC: 39A12 34L15 PDFBibTeX XMLCite \textit{R. Ma} et al., Abstr. Appl. Anal. 2013, Article ID 280508, 10 p. (2013; Zbl 1294.39002) Full Text: DOI
Dai, Guowei; Ma, Ruyun; Wang, Haiyan Eigenvalues, bifurcation and one-sign solutions for the periodic \(p\)-Laplacian. (English) Zbl 1287.34030 Commun. Pure Appl. Anal. 12, No. 6, 2839-2872 (2013). Reviewer: Pierpaolo Omari (Trieste) MSC: 34C25 34B18 34C23 34L15 PDFBibTeX XMLCite \textit{G. Dai} et al., Commun. Pure Appl. Anal. 12, No. 6, 2839--2872 (2013; Zbl 1287.34030) Full Text: DOI arXiv
Ma, Ruyun; Thompson, Bevan A note on bifurcation from an interval. (English) Zbl 1074.34029 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 62, No. 4, 743-749 (2005). MSC: 34B24 34L15 34B15 PDFBibTeX XMLCite \textit{R. Ma} and \textit{B. Thompson}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 62, No. 4, 743--749 (2005; Zbl 1074.34029) Full Text: DOI
Yao, Qinliu; Ma, Ruyun An existence theorem on a positive solution for a nonlinear eigenvalue problem. (Chinese. English summary) Zbl 1063.34019 J. Math., Wuhan Univ. 23, No. 1, 91-94 (2003). MSC: 34B18 34B15 34L15 PDFBibTeX XMLCite \textit{Q. Yao} and \textit{R. Ma}, J. Math., Wuhan Univ. 23, No. 1, 91--94 (2003; Zbl 1063.34019)