Mao, Jinxiu; Zhao, Zengqin; Wang, Chenguang The unique iterative positive solution of fractional boundary value problem with q-difference. (English) Zbl 1437.65228 Appl. Math. Lett. 100, Article ID 106002, 8 p. (2020). MSC: 65Q10 39A12 39A13 PDFBibTeX XMLCite \textit{J. Mao} et al., Appl. Math. Lett. 100, Article ID 106002, 8 p. (2020; Zbl 1437.65228) Full Text: DOI
Zhang, Xingqiu; Shao, Zhuyan; Zhong, Qiuyan; Zhao, Zengqin Triple positive solutions for semipositone fractional differential equations \(m\)-point boundary value problems with singularities and \(p\)-\(q\)-order derivatives. (English) Zbl 1420.34031 Nonlinear Anal., Model. Control 23, No. 6, 889-903 (2018). MSC: 34A08 34B10 34B18 47N20 PDFBibTeX XMLCite \textit{X. Zhang} et al., Nonlinear Anal., Model. Control 23, No. 6, 889--903 (2018; Zbl 1420.34031) Full Text: DOI
Guan, Yongliang; Zhao, Zengqin; Lin, Xiuli On the existence of solutions for impulsive fractional differential equations. (English) Zbl 1401.34010 Adv. Math. Phys. 2017, Article ID 1207456, 12 p. (2017). MSC: 34A08 34A37 34B37 34B10 PDFBibTeX XMLCite \textit{Y. Guan} et al., Adv. Math. Phys. 2017, Article ID 1207456, 12 p. (2017; Zbl 1401.34010) Full Text: DOI
Lin, Xiuli; Zhao, Zengqin Iterative positive solutions for singular Riemann-Stieltjes integral boundary value problem. (English) Zbl 1374.34078 Ann. Appl. Math. 32, No. 2, 133-140 (2016). MSC: 34B18 34B16 34A45 PDFBibTeX XMLCite \textit{X. Lin} and \textit{Z. Zhao}, Ann. Appl. Math. 32, No. 2, 133--140 (2016; Zbl 1374.34078)
Guan, Yongliang; Zhao, Zengqin; Lin, Xiuli On the existence of positive solutions and negative solutions of singular fractional differential equations via global bifurcation techniques. (English) Zbl 1352.34005 Bound. Value Probl. 2016, Paper No. 141, 18 p. (2016). Reviewer: Wengui Yang (Sanmenxia) MSC: 34A08 34B18 34C23 PDFBibTeX XMLCite \textit{Y. Guan} et al., Bound. Value Probl. 2016, Paper No. 141, 18 p. (2016; Zbl 1352.34005) Full Text: DOI
Yang, Fenghua; Zhao, Zengqin Existence of positive solutions for systems of second order singular impulsive Sturm-Liouville boundary value problem. (English) Zbl 1326.34044 Nonlinear Funct. Anal. Appl. 20, No. 1, 147-168 (2015). Reviewer: Smail Djebali (Algiers) MSC: 34B18 34B24 34B37 34B16 47N20 PDFBibTeX XMLCite \textit{F. Yang} and \textit{Z. Zhao}, Nonlinear Funct. Anal. Appl. 20, No. 1, 147--168 (2015; Zbl 1326.34044)
Lin, Xiuli; Zhao, Zengqin Existence and uniqueness of symmetric positive solutions of \(2n\)-order nonlinear singular boundary value problems. (English) Zbl 1315.34036 Appl. Math. Lett. 26, No. 7, 692-698 (2013). MSC: 34B18 34B16 34A45 PDFBibTeX XMLCite \textit{X. Lin} and \textit{Z. Zhao}, Appl. Math. Lett. 26, No. 7, 692--698 (2013; Zbl 1315.34036) Full Text: DOI
Guo, Xiaoxiao; Zhao, Zengqin Positive solutions of Sturm-Liouville BVP for impulsive differential equations with a non-well-ordered upper and lower solution condition. (Chinese. English summary) Zbl 1299.34102 J. Syst. Sci. Math. Sci. 33, No. 10, 1248-1255 (2013). MSC: 34B37 34B18 34B24 47N20 PDFBibTeX XMLCite \textit{X. Guo} and \textit{Z. Zhao}, J. Syst. Sci. Math. Sci. 33, No. 10, 1248--1255 (2013; Zbl 1299.34102)
Guo, Xiaoxiao; Song, Xiaoming; Zhao, Zengqin Existence of positive almost periodic solutions for a nonlinear function integral equation. (Chinese. English summary) Zbl 1289.45005 J. Qufu Norm. Univ., Nat. Sci. 39, No. 2, 43-46, 50 (2013). MSC: 45G10 45M15 45M20 PDFBibTeX XMLCite \textit{X. Guo} et al., J. Qufu Norm. Univ., Nat. Sci. 39, No. 2, 43--46, 50 (2013; Zbl 1289.45005)
Zhao, Zengqin Positive solutions of semi-positone Hammerstein integral equations and applications. (English) Zbl 1308.45002 Appl. Math. Comput. 219, No. 5, 2789-2797 (2012). MSC: 45G05 PDFBibTeX XMLCite \textit{Z. Zhao}, Appl. Math. Comput. 219, No. 5, 2789--2797 (2012; Zbl 1308.45002) Full Text: DOI
Li, Xingchang; Zhao, Zengqin Existence of positive solutions for singular Sturm-Liouville boundary value problems on the half-line. (Chinese. English summary) Zbl 1274.34081 J. Syst. Sci. Math. Sci. 32, No. 5, 562-570 (2012). MSC: 34B24 34B18 34B40 34B16 47N20 PDFBibTeX XMLCite \textit{X. Li} and \textit{Z. Zhao}, J. Syst. Sci. Math. Sci. 32, No. 5, 562--570 (2012; Zbl 1274.34081)
Zhao, Zeng Qin; Li, Fu Shan Existence and uniqueness of positive solutions for some singular boundary value problems with linear functional boundary conditions. (English) Zbl 1286.34047 Acta Math. Sin., Engl. Ser. 27, No. 10, 2073-2084 (2011). Reviewer: Zhaocai Hao (Shandong) MSC: 34B18 34B15 34B10 47N20 34B16 PDFBibTeX XMLCite \textit{Z. Q. Zhao} and \textit{F. S. Li}, Acta Math. Sin., Engl. Ser. 27, No. 10, 2073--2084 (2011; Zbl 1286.34047) Full Text: DOI
Yang, Fenghua; Wang, Lijun; Zhao, Zengqin Eigenvalue problems for singular Sturm-Liouville boundary value problem. (English) Zbl 1264.34043 Nonlinear Funct. Anal. Appl. 16, No. 3, 285-296 (2011). MSC: 34B18 34B16 34B24 PDFBibTeX XMLCite \textit{F. Yang} et al., Nonlinear Funct. Anal. Appl. 16, No. 3, 285--296 (2011; Zbl 1264.34043)
Zhao, Zengqin Nonexistence and existence of positive solutions for \(2n\)th-order singular superlinear problems with Sturm-Liouville boundary conditions. (English) Zbl 1249.34090 Acta Math. Sci., Ser. B, Engl. Ed. 31, No. 4, 1569-1582 (2011). MSC: 34B18 34B15 34B16 34B24 PDFBibTeX XMLCite \textit{Z. Zhao}, Acta Math. Sci., Ser. B, Engl. Ed. 31, No. 4, 1569--1582 (2011; Zbl 1249.34090) Full Text: DOI
Lu, Huanying; Zhao, Zengqin A positive solution for a class of second-order singular \(m\)-point boundary value problems. (Chinese. English summary) Zbl 1240.34085 J. Shangqiu Teach. Coll. 26, No. 6, 1-5 (2010). MSC: 34B16 34B10 34B18 47N20 PDFBibTeX XMLCite \textit{H. Lu} and \textit{Z. Zhao}, J. Shangqiu Teach. Coll. 26, No. 6, 1--5 (2010; Zbl 1240.34085)
Lu, Huanying; Zhao, Zengqin Positive solutions of fourth order singular Sturm-Liouville boundary value problems. (Chinese. English summary) Zbl 1240.34084 J. Qufu Norm. Univ., Nat. Sci. 36, No. 2, 17-22 (2010). MSC: 34B16 34B18 34B24 PDFBibTeX XMLCite \textit{H. Lu} and \textit{Z. Zhao}, J. Qufu Norm. Univ., Nat. Sci. 36, No. 2, 17--22 (2010; Zbl 1240.34084)
Li, Xiuzhen; Zhao, Zengqin Positive solutions for a class of \(2n\)th-order singular sublinear boundary value problems. (Chinese. English summary) Zbl 1240.34109 J. Syst. Sci. Math. Sci. 30, No. 3, 379-391 (2010). MSC: 34B18 34B16 34A45 PDFBibTeX XMLCite \textit{X. Li} and \textit{Z. Zhao}, J. Syst. Sci. Math. Sci. 30, No. 3, 379--391 (2010; Zbl 1240.34109)
Mao, Jinxiu; Zhao, Zengqin; Xu, Naiwei Positive solutions to the singular semi-positone Sturm-Liouville boundary value problem. (Chinese. English summary) Zbl 1224.34071 Chin. J. Eng. Math. 27, No. 2, 353-357 (2010). MSC: 34B18 34B24 34B16 47N20 PDFBibTeX XMLCite \textit{J. Mao} et al., Chin. J. Eng. Math. 27, No. 2, 353--357 (2010; Zbl 1224.34071)
Mao, Jinxiu; Zhao, Zengqin; Xu, Naiwei On existence and uniqueness of positive solutions for integral boundary boundary value problems. (English) Zbl 1202.34045 Electron. J. Qual. Theory Differ. Equ. 2010, Paper No. 16, 8 p. (2010). MSC: 34B10 34B18 PDFBibTeX XMLCite \textit{J. Mao} et al., Electron. J. Qual. Theory Differ. Equ. 2010, Paper No. 16, 8 p. (2010; Zbl 1202.34045) Full Text: DOI EuDML EMIS
Zhao, Zengqin Existence of positive solutions for \(2n\)th-order singular semipositone differential equations with Sturm-Liouville boundary conditions. (English) Zbl 1198.34032 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 3-4, 1348-1357 (2010). Reviewer: Carmen Simerská (Praha) MSC: 34B18 34B24 34B15 34B16 34B27 PDFBibTeX XMLCite \textit{Z. Zhao}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 72, No. 3--4, 1348--1357 (2010; Zbl 1198.34032) Full Text: DOI
Wang, Teng; Zhao, Zengqin Existence of positive solutions for integral boundary value problems. (English) Zbl 1212.34032 J. Qufu Norm. Univ., Nat. Sci. 35, No. 1, 7-12 (2009). MSC: 34B10 34B18 47N20 34B09 PDFBibTeX XMLCite \textit{T. Wang} and \textit{Z. Zhao}, J. Qufu Norm. Univ., Nat. Sci. 35, No. 1, 7--12 (2009; Zbl 1212.34032)
Zhao, Zengqin; Li, Xiuzhen Existence and nonexistence of positive solutions for fourth order singular superlinear differential equations with Sturm-Liouville boundary conditions. (Chinese. English summary) Zbl 1212.34085 Acta Math. Appl. Sin. 32, No. 3, 500-513 (2009). MSC: 34B18 34B16 34B24 PDFBibTeX XMLCite \textit{Z. Zhao} and \textit{X. Li}, Acta Math. Appl. Sin. 32, No. 3, 500--513 (2009; Zbl 1212.34085)
Zhao, Zengqin; Li, Xiuzhen Positive solutions for a class of fourth order singular superlinear boundary value problems. (Chinese. English summary) Zbl 1212.34084 Acta Math. Sci., Ser. A, Chin. Ed. 29, No. 2, 436-448 (2009). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{Z. Zhao} and \textit{X. Li}, Acta Math. Sci., Ser. A, Chin. Ed. 29, No. 2, 436--448 (2009; Zbl 1212.34084)
Du, Xinsheng; Zhao, Zengqin A necessary and sufficient condition for the existence of positive solutions to singular second-order three-point boundary value problem. (English) Zbl 1182.34027 Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 16, No. 5, 687-699 (2009). MSC: 34B18 34B15 34B16 34B10 PDFBibTeX XMLCite \textit{X. Du} and \textit{Z. Zhao}, Dyn. Contin. Discrete Impuls. Syst., Ser. A, Math. Anal. 16, No. 5, 687--699 (2009; Zbl 1182.34027)
Zhao, Zengqin Exact solutions of a class of second-order nonlocal boundary value problems and applications. (English) Zbl 1189.34005 Appl. Math. Comput. 215, No. 5, 1926-1936 (2009). Reviewer: Klaus R. Schneider (Berlin) MSC: 34A05 34B05 34B10 34B27 34A45 34B18 PDFBibTeX XMLCite \textit{Z. Zhao}, Appl. Math. Comput. 215, No. 5, 1926--1936 (2009; Zbl 1189.34005) Full Text: DOI
Lin, Yanyan; Xing, Lihong; Zhao, Zengqin Multiple positive solutions for second-order three-point singular boundary value problem with impulses. (Chinese. English summary) Zbl 1199.34147 J. Qufu Norm. Univ., Nat. Sci. 34, No. 1, 39-42 (2008). MSC: 34B37 34B18 34B10 47N20 34B27 PDFBibTeX XMLCite \textit{Y. Lin} et al., J. Qufu Norm. Univ., Nat. Sci. 34, No. 1, 39--42 (2008; Zbl 1199.34147)
Ma, Tiantian; Zhao, Zengqin The existence of positive solutions for \(2n\)-th order singular boundary value problems. (Chinese. English summary) Zbl 1199.34103 J. Qufu Norm. Univ., Nat. Sci. 34, No. 1, 25-28, 32 (2008). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{T. Ma} and \textit{Z. Zhao}, J. Qufu Norm. Univ., Nat. Sci. 34, No. 1, 25--28, 32 (2008; Zbl 1199.34103)
Zhao, Zengqin Existence and uniqueness of positive solutions for a class of second order singular differential equations. (Chinese. English summary) Zbl 1174.34027 J. Syst. Sci. Math. Sci. 28, No. 3, 325-333 (2008). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{Z. Zhao}, J. Syst. Sci. Math. Sci. 28, No. 3, 325--333 (2008; Zbl 1174.34027)
Zhao, Zengqin Existence of positive solutions for fourth order singular differential equations with Sturm-Liouville boundary conditions. (English) Zbl 1174.34026 J. Shangqiu Teach. Coll. 23, No. 12, 1-8 (2007). MSC: 34B18 34B16 34B24 PDFBibTeX XMLCite \textit{Z. Zhao}, J. Shangqiu Teach. Coll. 23, No. 12, 1--8 (2007; Zbl 1174.34026)
Li, Hongmei; Zhao, Zengqin Positive solutions for the one-dimensional \(p\)-Laplacian with infinitely many singularities. (Chinese. English summary) Zbl 1174.34357 Acta Anal. Funct. Appl. 9, No. 4, 338-342 (2007). MSC: 34B18 34B16 PDFBibTeX XMLCite \textit{H. Li} and \textit{Z. Zhao}, Acta Anal. Funct. Appl. 9, No. 4, 338--342 (2007; Zbl 1174.34357)
Zhao, Zengqin A necessary and sufficient condition for the existence of positive solutions of fourth order singular superlinear differential equations. (Chinese. English summary) Zbl 1145.34323 Acta Math. Sin., Chin. Ser. 50, No. 6, 1425-1434 (2007). MSC: 34B18 34B15 34B16 PDFBibTeX XMLCite \textit{Z. Zhao}, Acta Math. Sin., Chin. Ser. 50, No. 6, 1425--1434 (2007; Zbl 1145.34323)
Du, Xinsheng; Zhao, Zengqin Multiple positive solutions for singular three-point boundary value problem with superlinear term, sublinear term, increasing term and decreasing term. (English) Zbl 1144.34011 Nonlinear Funct. Anal. Appl. 12, No. 3, 491-503 (2007). Reviewer: Jiaqi Mo (Wuhu) MSC: 34B18 34B15 34B16 34B10 PDFBibTeX XMLCite \textit{X. Du} and \textit{Z. Zhao}, Nonlinear Funct. Anal. Appl. 12, No. 3, 491--503 (2007; Zbl 1144.34011)
Du, Xinsheng; Zhao, Zengqin Existence and incomparability of positive solutions for second order three-point superlinear differential equations. (English) Zbl 1146.34018 Nonlinear Funct. Anal. Appl. 12, No. 3, 479-490 (2007). Reviewer: Petio S. Kelevedjiev (Sliven) MSC: 34B18 34B15 34B16 PDFBibTeX XMLCite \textit{X. Du} and \textit{Z. Zhao}, Nonlinear Funct. Anal. Appl. 12, No. 3, 479--490 (2007; Zbl 1146.34018)
Zhao, Zengqin Positive solutions for singular three-point boundary-value problems. (English) Zbl 1142.34323 Electron. J. Differ. Equ. 2007, Paper No. 156, 8 p. (2007). MSC: 34B18 34A05 34B27 34B05 34B10 34B16 PDFBibTeX XMLCite \textit{Z. Zhao}, Electron. J. Differ. Equ. 2007, Paper No. 156, 8 p. (2007; Zbl 1142.34323) Full Text: EuDML EMIS
Du, Xinsheng; Zhao, Zengqin On existence theorems of positive solutions to nonlinear singular differential equations. (English) Zbl 1132.34017 Appl. Math. Comput. 190, No. 1, 542-552 (2007). Reviewer: Eric R. Kaufmann (Little Rock) MSC: 34B18 34B16 PDFBibTeX XMLCite \textit{X. Du} and \textit{Z. Zhao}, Appl. Math. Comput. 190, No. 1, 542--552 (2007; Zbl 1132.34017) Full Text: DOI
Du, Xinsheng; Zhao, Zengqin A necessary and sufficient condition for the existence of positive solutions to singular sublinear three-point boundary value problems. (English) Zbl 1128.34010 Appl. Math. Comput. 186, No. 1, 404-413 (2007). Reviewer: Eric R. Kaufmann (Little Rock) MSC: 34B18 34B10 34B16 PDFBibTeX XMLCite \textit{X. Du} and \textit{Z. Zhao}, Appl. Math. Comput. 186, No. 1, 404--413 (2007; Zbl 1128.34010) Full Text: DOI
Zhao, Zengqin; Zhang, Xinguang \(C(I)\) positive solutions of nonlinear singular differential equations for nonmonotonic function terms. (English) Zbl 1109.34018 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 1, 22-37 (2007). MSC: 34B16 34B15 34B18 PDFBibTeX XMLCite \textit{Z. Zhao} and \textit{X. Zhang}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 1, 22--37 (2007; Zbl 1109.34018) Full Text: DOI
Zhao, Zengqin On the existence of positive solutions for 2\(n\)-order singular boundary value problems. (English) Zbl 1100.34020 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 64, No. 11, 2553-2561 (2006). Reviewer: Jiaqi Mo (Wuhu) MSC: 34B18 34B15 34B16 PDFBibTeX XMLCite \textit{Z. Zhao}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 64, No. 11, 2553--2561 (2006; Zbl 1100.34020) Full Text: DOI
Zhao, Zengqin; Li, Xiankui On the uniqueness and existence of positive solution to a class of nonlinear integral equations. (Chinese. English summary) Zbl 0907.45005 J. Math. Res. Expo. 18, No. 2, 251-256 (1998). Reviewer: Li Mingzhong (Shanghai) MSC: 45G10 45M20 45L05 PDFBibTeX XMLCite \textit{Z. Zhao} and \textit{X. Li}, J. Math. Res. Expo. 18, No. 2, 251--256 (1998; Zbl 0907.45005)
Zhao, Zengqin On the unique positive solution of polynomial type Hammerstein integral equations. (Chinese. English summary) Zbl 0832.45003 J. Syst. Sci. Math. Sci. 14, No. 2, 97-101 (1994). Reviewer: Sun Shanli (Changchun) MSC: 45G10 45M20 45L05 PDFBibTeX XMLCite \textit{Z. Zhao}, J. Syst. Sci. Math. Sci. 14, No. 2, 97--101 (1994; Zbl 0832.45003)
Zhao, Zengqin Uniqueness of positive solutions for singular nonlinear second-order boundary-value problems. (English) Zbl 0813.34026 Nonlinear Anal., Theory Methods Appl. 23, No. 6, 755-765 (1994). Reviewer: I.Rachůnková (Olomouc) MSC: 34B15 PDFBibTeX XMLCite \textit{Z. Zhao}, Nonlinear Anal., Theory Methods Appl. 23, No. 6, 755--765 (1994; Zbl 0813.34026) Full Text: DOI