Chen, Yang; Li, Hongyu Existence of positive solutions for a system of nonlinear Caputo type fractional differential equations with two parameters. (English) Zbl 1494.34024 Adv. Difference Equ. 2021, Paper No. 497, 13 p. (2021). MSC: 34A08 47N20 34B10 34B18 34B15 PDFBibTeX XMLCite \textit{Y. Chen} and \textit{H. Li}, Adv. Difference Equ. 2021, Paper No. 497, 13 p. (2021; Zbl 1494.34024) Full Text: DOI
Li, Hongyu; Chen, Yang; Zhang, Junting Existence of multiple solutions for nonlinear multi-point boundary value problems. (English) Zbl 1482.34071 Adv. Difference Equ. 2020, Paper No. 266, 11 p. (2020). MSC: 34B15 34B10 34B18 47N20 34B16 PDFBibTeX XMLCite \textit{H. Li} et al., Adv. Difference Equ. 2020, Paper No. 266, 11 p. (2020; Zbl 1482.34071) Full Text: DOI
Han, Lin; Zhang, Guowei; Li, Hongyu Positive solutions of fourth-order problem subject to nonlocal boundary conditions. (English) Zbl 1453.34033 Bull. Malays. Math. Sci. Soc. (2) 43, No. 5, 3675-3691 (2020). MSC: 34B18 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{L. Han} et al., Bull. Malays. Math. Sci. Soc. (2) 43, No. 5, 3675--3691 (2020; Zbl 1453.34033) Full Text: DOI
Ming, Zhongyang; Zhang, Guowei; Li, Hongyu Positive solutions of a derivative dependent second-order problem subject to Stieltjes integral boundary conditions. (English) Zbl 1449.34084 Electron. J. Qual. Theory Differ. Equ. 2019, Paper No. 98, 15 p. (2019). MSC: 34B18 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{Z. Ming} et al., Electron. J. Qual. Theory Differ. Equ. 2019, Paper No. 98, 15 p. (2019; Zbl 1449.34084) Full Text: DOI
Zhai, Chengbo; Li, Pingping; Li, Hongyu Single upper-solution or lower-solution method for Langevin equations with two fractional orders. (English) Zbl 1448.34028 Adv. Difference Equ. 2018, Paper No. 360, 10 p. (2018). MSC: 34A08 34A12 34B18 34B15 26A33 PDFBibTeX XMLCite \textit{C. Zhai} et al., Adv. Difference Equ. 2018, Paper No. 360, 10 p. (2018; Zbl 1448.34028) Full Text: DOI
Zhang, Juan; Zhang, Guowei; Li, Hongyu Positive solutions of second-order problem with dependence on derivative in nonlinearity under Stieltjes integral boundary condition. (English) Zbl 1413.34111 Electron. J. Qual. Theory Differ. Equ. 2018, Paper No. 4, 13 p. (2018). MSC: 34B18 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{J. Zhang} et al., Electron. J. Qual. Theory Differ. Equ. 2018, Paper No. 4, 13 p. (2018; Zbl 1413.34111) Full Text: DOI
Li, Hongyu; Zhang, Junting Global structure of positive solutions for some second-order multipoint boundary value problems. (English) Zbl 1376.34024 J. Funct. Spaces 2017, Article ID 1014250, 6 p. (2017). MSC: 34B18 34B10 34B09 34C23 PDFBibTeX XMLCite \textit{H. Li} and \textit{J. Zhang}, J. Funct. Spaces 2017, Article ID 1014250, 6 p. (2017; Zbl 1376.34024) Full Text: DOI
Li, Hongyu; Sun, Fei Existence of solutions for integral boundary value problems of second-order ordinary differential equations. (English) Zbl 1282.34027 Bound. Value Probl. 2012, Paper No. 147, 7 p. (2012). MSC: 34B10 34B15 34B18 47H11 PDFBibTeX XMLCite \textit{H. Li} and \textit{F. Sun}, Bound. Value Probl. 2012, Paper No. 147, 7 p. (2012; Zbl 1282.34027) Full Text: DOI
Li, Hongyu; Sun, Jingxian; Sun, Fei Positive solutions to boundary value problems of a system of differential equations. (Chinese. English summary) Zbl 1274.34064 Chin. Ann. Math., Ser. A 33, No. 3, 329-340 (2012). MSC: 34B18 34B15 47N20 PDFBibTeX XMLCite \textit{H. Li} et al., Chin. Ann. Math., Ser. A 33, No. 3, 329--340 (2012; Zbl 1274.34064)
Li, Hongyu; Dai, Limei Positive solutions for nonlinear differential equations with sign changing nonlinearity on a measure chain. (English) Zbl 1265.34336 J. Math., Wuhan Univ. 32, No. 1, 9-16 (2012). MSC: 34N05 34A34 47N20 PDFBibTeX XMLCite \textit{H. Li} and \textit{L. Dai}, J. Math., Wuhan Univ. 32, No. 1, 9--16 (2012; Zbl 1265.34336)
Li, Hongyu; Sun, Jingxian; Cui, Yujun Positive solutions of superlinear nonlinear Sturm-Liouville boundary value problems. (Chinese. English summary) Zbl 1224.34065 Chin. Ann. Math., Ser. A 31, No. 2, 183-188 (2010). MSC: 34B18 34B24 47N20 PDFBibTeX XMLCite \textit{H. Li} et al., Chin. Ann. Math., Ser. A 31, No. 2, 183--188 (2010; Zbl 1224.34065)
Li, Hongyu; Sun, Jingxian Positive solutions for singular boundary value problems of a coupled system of second order ordinary differential equations. (Chinese. English summary) Zbl 1224.34064 Acta Anal. Funct. Appl. 12, No. 1, 21-26 (2010). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{H. Li} and \textit{J. Sun}, Acta Anal. Funct. Appl. 12, No. 1, 21--26 (2010; Zbl 1224.34064) Full Text: DOI
Li, Hongyu; Sun, Jingxian Positive solutions of sublinear Sturm-Liouville problems with changing sign nonlinearity. (English) Zbl 1197.34040 Comput. Math. Appl. 58, No. 9, 1808-1815 (2009). MSC: 34B24 34B18 47N20 PDFBibTeX XMLCite \textit{H. Li} and \textit{J. Sun}, Comput. Math. Appl. 58, No. 9, 1808--1815 (2009; Zbl 1197.34040) Full Text: DOI
Li, Hongyu; Sun, Jingxian; Cui, Yujun Positive solutions of nonlinear differential equations on a measure chain. (Chinese. English summary) Zbl 1199.34098 Chin. Ann. Math., Ser. A 30, No. 1, 97-106 (2009). MSC: 34B18 34N05 34B15 47N20 PDFBibTeX XMLCite \textit{H. Li} et al., Chin. Ann. Math., Ser. A 30, No. 1, 97--106 (2009; Zbl 1199.34098)
Dai, Limei; Li, Hongyu Positive solutions of singular Emden-Fowler boundary value problem with negative exponent and multiple impulses. (English) Zbl 1173.34020 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 10, 3682-3695 (2009). Reviewer: Haiyan Wang (Phoenix) MSC: 34B37 34B15 34B16 34B18 PDFBibTeX XMLCite \textit{L. Dai} and \textit{H. Li}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 70, No. 10, 3682--3695 (2009; Zbl 1173.34020) Full Text: DOI
Li, Hongyu; Sun, Jingxian; Cui, Yujun Existence of positive solutions for double Hammerstein type integral equations. (Chinese. English summary) Zbl 1174.45309 Chin. J. Eng. Math. 25, No. 5, 931-934 (2008). MSC: 45M20 45G10 PDFBibTeX XMLCite \textit{H. Li} et al., Chin. J. Eng. Math. 25, No. 5, 931--934 (2008; Zbl 1174.45309)
Sun, Jingxian; Li, Hongyu Global structure of positive solutions of singular nonlinear Sturm-Liouville problems. (Chinese. English summary) Zbl 1174.34028 Acta Math. Sci., Ser. A, Chin. Ed. 28, No. 3, 424-433 (2008). MSC: 34B24 34B15 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{J. Sun} and \textit{H. Li}, Acta Math. Sci., Ser. A, Chin. Ed. 28, No. 3, 424--433 (2008; Zbl 1174.34028)
Li, Hongyu; Sun, Jingxian; Cui, Yujun Positive solutions to singular \(m\)-point boundary value problems of a coupled system of differential equations. (English) Zbl 1174.34016 Ann. Differ. Equations 24, No. 2, 163-170 (2008). MSC: 34B18 34B15 34B10 34B16 47N20 PDFBibTeX XMLCite \textit{H. Li} et al., Ann. Differ. Equations 24, No. 2, 163--170 (2008; Zbl 1174.34016)
Cui, Yujun; Zou, Yumei; Li, Hongyu Positive solutions of a class of singular superlinear boundary value problems of fourth order differential equations. (English) Zbl 1164.34353 Math. Appl. 21, No. 1, 156-161 (2008). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{Y. Cui} et al., Math. Appl. 21, No. 1, 156--161 (2008; Zbl 1164.34353)
Zou, Yumei; Cui, Yujun; Li, Hongyu A necessary and sufficient condition for the existence of positive solutions of fourth-order singular boundary value problems. (Chinese. English summary) Zbl 1150.34377 J. Qufu Norm. Univ., Nat. Sci. 33, No. 1, 27-31 (2007). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{Y. Zou} et al., J. Qufu Norm. Univ., Nat. Sci. 33, No. 1, 27--31 (2007; Zbl 1150.34377)
Cui, Yujun; Zou, Yumei; Li, Hongyu Positive solution of second order singular boundary value problem. (English) Zbl 1121.34312 Ann. Differ. Equations 23, No. 1, 1-7 (2007). MSC: 34B15 PDFBibTeX XMLCite \textit{Y. Cui} et al., Ann. Differ. Equations 23, No. 1, 1--7 (2007; Zbl 1121.34312)
Li, Hongyu; Sun, Jingxian Positive solutions of boundary value problem for a system of nonlinear ordinary differential equations. (English) Zbl 1094.34512 Ann. Differ. Equations 21, No. 2, 153-160 (2005). Reviewer: Idris Addou (Montréal) MSC: 34B18 34B15 PDFBibTeX XMLCite \textit{H. Li} and \textit{J. Sun}, Ann. Differ. Equations 21, No. 2, 153--160 (2005; Zbl 1094.34512)