Sun, Yongping; Zhao, Min Existence of positive pseudo-symmetric solution for second-order three-point boundary value problems. (English) Zbl 1322.34041 J. Appl. Math. Comput. 47, No. 1-2, 211-224 (2015). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{Y. Sun} and \textit{M. Zhao}, J. Appl. Math. Comput. 47, No. 1--2, 211--224 (2015; Zbl 1322.34041) Full Text: DOI
Sun, Yongping; Sun, Yan Positive solutions and monotone iterative sequences for a fractional differential equation with integral boundary conditions. (English) Zbl 1417.34024 Adv. Difference Equ. 2014, Paper No. 29, 10 p. (2014). MSC: 34A08 34B10 34B15 PDFBibTeX XMLCite \textit{Y. Sun} and \textit{Y. Sun}, Adv. Difference Equ. 2014, Paper No. 29, 10 p. (2014; Zbl 1417.34024) Full Text: DOI
Sun, Yongping; Zhang, Xiaoping Existence and nonexistence of positive solutions for fractional-order two-point boundary value problems. (English) Zbl 1343.34022 Adv. Difference Equ. 2014, Paper No. 53, 11 p. (2014). MSC: 34A08 34B10 34B15 34B18 PDFBibTeX XMLCite \textit{Y. Sun} and \textit{X. Zhang}, Adv. Difference Equ. 2014, Paper No. 53, 11 p. (2014; Zbl 1343.34022) Full Text: DOI
Sun, Yongping; Zhao, Min Positive solutions for a class of fractional differential equations with integral boundary conditions. (English) Zbl 1314.34025 Appl. Math. Lett. 34, 17-21 (2014). MSC: 34A08 34B18 34B10 PDFBibTeX XMLCite \textit{Y. Sun} and \textit{M. Zhao}, Appl. Math. Lett. 34, 17--21 (2014; Zbl 1314.34025) Full Text: DOI
Sun, Yongping; Zhao, Min; Li, Shuihong Monotone positive solution of nonlinear third-order two-point boundary value problem. (English) Zbl 1324.34052 Miskolc Math. Notes 15, No. 2, 743-752 (2014). MSC: 34B18 34B15 47N20 PDFBibTeX XMLCite \textit{Y. Sun} et al., Miskolc Math. Notes 15, No. 2, 743--752 (2014; Zbl 1324.34052)
Sun, Yongping Existence and multiplicity of positive solutions for an elastic beam equation. (English) Zbl 1249.34082 Appl. Math., Ser. B (Engl. Ed.) 26, No. 3, 253-264 (2011). MSC: 34B18 34B15 47N20 74K10 PDFBibTeX XMLCite \textit{Y. Sun}, Appl. Math., Ser. B (Engl. Ed.) 26, No. 3, 253--264 (2011; Zbl 1249.34082) Full Text: DOI
Sun, Yong-Ping Three symmetric positive solutions for second-order nonlocal boundary value problems. (English) Zbl 1215.34022 Acta Math. Appl. Sin., Engl. Ser. 27, No. 2, 233-242 (2011). MSC: 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{Y.-P. Sun}, Acta Math. Appl. Sin., Engl. Ser. 27, No. 2, 233--242 (2011; Zbl 1215.34022) Full Text: DOI
Zhang, Xiaoping; Sun, Yongping Monotone positive solutions of second-order multi-point boundary value problems. (English) Zbl 1169.34316 Appl. Math. Comput. 207, No. 2, 493-500 (2009). Reviewer: Satoshi Tanaka (Okayama) MSC: 34B18 34B10 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Y. Sun}, Appl. Math. Comput. 207, No. 2, 493--500 (2009; Zbl 1169.34316) Full Text: DOI
Sun, Yongping Existence and iteration of monotone positive solutions for a third-order two-point boundary value problem. (English) Zbl 1199.34110 Appl. Math., Ser. B (Engl. Ed.) 23, No. 4, 413-419 (2008). MSC: 34B18 34B15 34A45 PDFBibTeX XMLCite \textit{Y. Sun}, Appl. Math., Ser. B (Engl. Ed.) 23, No. 4, 413--419 (2008; Zbl 1199.34110) Full Text: DOI
Sun, Yongping Monotone positive solution for three-point boundary value problem. (English) Zbl 1199.34109 Appl. Math., Ser. B (Engl. Ed.) 23, No. 3, 279-285 (2008). MSC: 34B18 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{Y. Sun}, Appl. Math., Ser. B (Engl. Ed.) 23, No. 3, 279--285 (2008; Zbl 1199.34109) Full Text: DOI
Sun, Yongping Existence and multiplicity of symmetric positive solutions for three-point boundary value problem. (English) Zbl 1154.34313 J. Math. Anal. Appl. 329, No. 2, 998-1009 (2007). MSC: 34B10 34B18 47N20 PDFBibTeX XMLCite \textit{Y. Sun}, J. Math. Anal. Appl. 329, No. 2, 998--1009 (2007; Zbl 1154.34313) Full Text: DOI
Sun, Yongping Symmetric positive solutions to a fourth-order nonlinear differential equation with nonlocal boundary conditions. (Chinese. English summary) Zbl 1140.34334 Acta Math. Sin., Chin. Ser. 50, No. 3, 547-556 (2007). MSC: 34B18 34B15 47H10 34B16 PDFBibTeX XMLCite \textit{Y. Sun}, Acta Math. Sin., Chin. Ser. 50, No. 3, 547--556 (2007; Zbl 1140.34334)
Sun, Yongping Eigenvalues and symmetric positive solutions for a three-point boundary-value problem. (English) Zbl 1093.34008 Electron. J. Differ. Equ. 2005, Paper No. 127, 7 p. (2005). Reviewer: Gennaro Infante (Arcavata di Rende) MSC: 34B10 34B15 34B18 34A09 PDFBibTeX XMLCite \textit{Y. Sun}, Electron. J. Differ. Equ. 2005, Paper No. 127, 7 p. (2005; Zbl 1093.34008) Full Text: EuDML EMIS
Sun, Yan; Xu, Benlong; Sun, Yongping On the existence of positive solutions for singular Neumann boundary value problems. (English) Zbl 1088.34509 Ann. Differ. Equations 21, No. 2, 203-208 (2005). Reviewer: Wei Nian Li (Binzhou) MSC: 34B16 34B18 PDFBibTeX XMLCite \textit{Y. Sun} et al., Ann. Differ. Equations 21, No. 2, 203--208 (2005; Zbl 1088.34509)
Sun, Yongping Positive solutions of nonlinear second-order \(m\)-point boundary value problem. (English) Zbl 1081.34024 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 61, No. 7, 1283-1294 (2005). Reviewer: Narahari Parhi (Bhubaneswar) MSC: 34B18 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{Y. Sun}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 61, No. 7, 1283--1294 (2005; Zbl 1081.34024) Full Text: DOI
Sun, Yong-Ping; Sun, Yan Positive solutions for singular semi-positone Neumann boundary-value problems. (English) Zbl 1076.34023 Electron. J. Differ. Equ. 2004, Paper No. 133, 8 p. (2004). MSC: 34B18 34B15 34B16 PDFBibTeX XMLCite \textit{Y.-P. Sun} and \textit{Y. Sun}, Electron. J. Differ. Equ. 2004, Paper No. 133, 8 p. (2004; Zbl 1076.34023) Full Text: EuDML EMIS
Zhang, Xinguang; Sun, Yongping; Wang, Xiuqin Existence result for semipositone second-order three-point boundary value problem. (English) Zbl 1066.34023 J. Math. Study 37, No. 2, 123-128 (2004). MSC: 34B18 34B10 PDFBibTeX XMLCite \textit{X. Zhang} et al., J. Math. Study 37, No. 2, 123--128 (2004; Zbl 1066.34023)
Sun, Yongping Existence of positive solution for a Neumann boundary value problem. (English) Zbl 1067.34017 J. Nanjing Univ., Math. Biq. 21, No. 2, 345-353 (2004). MSC: 34B15 34B16 34B18 PDFBibTeX XMLCite \textit{Y. Sun}, J. Nanjing Univ., Math. Biq. 21, No. 2, 345--353 (2004; Zbl 1067.34017)