Ma, Mantang; Ma, Ruyun Existence and multiplicity of solutions for second-order Dirichlet problems with nonlinear impulses. (English) Zbl 1503.34066 Open Math. 20, 1470-1478 (2022). MSC: 34B15 34B37 34C23 PDFBibTeX XMLCite \textit{M. Ma} and \textit{R. Ma}, Open Math. 20, 1470--1478 (2022; Zbl 1503.34066) Full Text: DOI
Ma, Ruyun; Xu, Man; Yan, Dongliang Discrete nonselfadjoint second-order two-point problems at resonance. (English) Zbl 1412.39018 Mediterr. J. Math. 16, No. 2, Paper No. 54, 14 p. (2019). Reviewer: Eszter Gselmann (Debrecen) MSC: 39A70 39A10 34B27 34B10 34B05 34L05 PDFBibTeX XMLCite \textit{R. Ma} et al., Mediterr. J. Math. 16, No. 2, Paper No. 54, 14 p. (2019; Zbl 1412.39018) Full Text: DOI
Xu, Man; Ma, Ruyun Nonlinear elastic beam problems with the parameter near resonance. (English) Zbl 1417.34054 Open Math. 16, 1176-1186 (2018). Reviewer: Smail Djebali (Algiers) MSC: 34B09 34B27 34B15 34C23 34A40 PDFBibTeX XMLCite \textit{M. Xu} and \textit{R. Ma}, Open Math. 16, 1176--1186 (2018; Zbl 1417.34054) Full Text: DOI
Ma, Ruyun; Ma, Huili Nonlinear discrete periodic boundary value problems at resonance. (English) Zbl 1192.39004 Adv. Difference Equ. 2009, Article ID 360871, 17 p. (2009). Reviewer: Bilender P. Allahverdiev (Isparta) MSC: 39A12 39A10 39A23 34B15 34L30 PDFBibTeX XMLCite \textit{R. Ma} and \textit{H. Ma}, Adv. Difference Equ. 2009, Article ID 360871, 17 p. (2009; Zbl 1192.39004) Full Text: DOI EuDML
Ma, Ruyun; Ma, Huili Unbounded perturbations of nonlinear discrete periodic problem at resonance. (English) Zbl 1166.39008 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 7, 2602-2613 (2009). Reviewer: Fozi Dannan (Damascus) MSC: 39A12 39A10 34L30 PDFBibTeX XMLCite \textit{R. Ma} and \textit{H. Ma}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 7, 2602--2613 (2009; Zbl 1166.39008) Full Text: DOI
Ma, Ruyun; Yang, Yunrui Existence result for a singular nonlinear boundary value problem at resonance. (English) Zbl 1134.34013 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 3, 671-680 (2008). MSC: 34B16 34B15 PDFBibTeX XMLCite \textit{R. Ma} and \textit{Y. Yang}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 3, 671--680 (2008; Zbl 1134.34013) Full Text: DOI
Ma, Ruyun A survey on nonlocal boundary value problems. (English) Zbl 1163.34300 Appl. Math. E-Notes 7, 257-279 (2007). Reviewer: Gennaro Infante (Arcavata di Rende) MSC: 34-02 34B10 34B15 34B18 PDFBibTeX XMLCite \textit{R. Ma}, Appl. Math. E-Notes 7, 257--279 (2007; Zbl 1163.34300) Full Text: EuDML EMIS
Ma, Ruyun Unbounded perturbations of nonlinear second-order difference equations at resonance. (English) Zbl 1154.39010 Adv. Difference Equ. 2007, Article ID 96415, 12 p. (2007). Reviewer: Alberto Cabada (Santiago de Compostela) MSC: 39A11 39A10 PDFBibTeX XMLCite \textit{R. Ma}, Adv. Difference Equ. 2007, Article ID 96415, 12 p. (2007; Zbl 1154.39010) Full Text: DOI EuDML
Ma, Ruyun; Yao, Qingliu; An, Tianqing; Li, Yongxiang; Li, Baolin; Ye, Guojü The upper and lower solutions to \(m\)-point boundary value problems at resonance and topological degree. (Chinese. English summary) Zbl 0997.34012 J. Northwest Norm. Univ., Nat. Sci. 37, No. 4, 1-6 (2001). MSC: 34B10 PDFBibTeX XMLCite \textit{R. Ma} et al., J. Northwest Norm. Univ., Nat. Sci. 37, No. 4, 1--6 (2001; Zbl 0997.34012)
Ma, Ruyun Multiplicity results for a third order boundary value problem at resonance. (English) Zbl 0932.34014 Nonlinear Anal., Theory Methods Appl. 32, No. 4, 493-499 (1998). Reviewer: Sergei A.Brykalov (Ekaterinburg) MSC: 34B15 PDFBibTeX XMLCite \textit{R. Ma}, Nonlinear Anal., Theory Methods Appl. 32, No. 4, 493--499 (1998; Zbl 0932.34014) Full Text: DOI
Ma, Ruyun Existence of solutions of a semilinear two-point boundary value problem at resonance. (Chinese) Zbl 0790.34023 Acta Math. Sin. 36, No. 1, 99-105 (1993). Reviewer: S.Hu (Springfield) MSC: 34B15 34C25 PDFBibTeX XMLCite \textit{R. Ma}, Acta Math. Sin. 36, No. 1, 99--105 (1993; Zbl 0790.34023)
Xu, Denzou; Yao, Qinliu; Ma, Ruyun The solvability for a class of elliptic equations with linear part at resonance. (Chinese. English summary) Zbl 0791.35041 Appl. Math., J. Chin. Univ. 6, No. 1, 80-86 (1991). MSC: 35J65 35P30 PDFBibTeX XMLCite \textit{D. Xu} et al., Appl. Math., J. Chin. Univ. 6, No. 1, 80--86 (1991; Zbl 0791.35041)
Yao, Qingliu; Ma, Ruyun Some nonlinear elliptic problems with linear part at resonance. (English) Zbl 0794.35060 J. Math. Res. Expo. 10, No. 1, 131-136 (1990). MSC: 35J65 35P30 35D05 PDFBibTeX XMLCite \textit{Q. Yao} and \textit{R. Ma}, J. Math. Res. Expo. 10, No. 1, 131--136 (1990; Zbl 0794.35060)