Zhang, Xinguang; Tian, Hui; Wu, Yonghong; Wiwatanapataphee, Benchawan Existence of positive solutions for third-order semipositone boundary value problems on time scales. (English) Zbl 1512.34171 Nonlinear Anal., Model. Control 28, No. 1, 133-151 (2023). MSC: 34N05 34B10 34B18 47N20 PDFBibTeX XMLCite \textit{X. Zhang} et al., Nonlinear Anal., Model. Control 28, No. 1, 133--151 (2023; Zbl 1512.34171) Full Text: DOI
Zhang, Xinguang; Tain, Hui; Wu, Yonghong; Wiwatanapataphee, Benchawan The radial solution for an eigenvalue problem of singular augmented Hessian equation. (English) Zbl 1498.35375 Appl. Math. Lett. 134, Article ID 108330, 9 p. (2022). MSC: 35P30 35J25 35J96 PDFBibTeX XMLCite \textit{X. Zhang} et al., Appl. Math. Lett. 134, Article ID 108330, 9 p. (2022; Zbl 1498.35375) Full Text: DOI
Zhang, Xinguang; Liu, Lishan; Wu, Yonghong; Wiwatanapataphee, B.; Cui, Yujun Solvability and asymptotic properties for an elliptic geophysical fluid flows model in a planar exterior domain. (English) Zbl 1465.76107 Nonlinear Anal., Model. Control 26, No. 2, 315-333 (2021). MSC: 76U60 35Q35 35Q55 PDFBibTeX XMLCite \textit{X. Zhang} et al., Nonlinear Anal., Model. Control 26, No. 2, 315--333 (2021; Zbl 1465.76107) Full Text: DOI
Zhang, Xinguang; Liu, Lishan; Wu, Yonghong; Cui, Yujun Nontrivial solutions for a fractional differential equation with nonlocal Riemann-Stieltjes boundary conditions. (English) Zbl 1412.34097 J. Nonlinear Sci. Appl. 10, No. 11, 6042-6055 (2017). MSC: 34B15 34B18 PDFBibTeX XMLCite \textit{X. Zhang} et al., J. Nonlinear Sci. Appl. 10, No. 11, 6042--6055 (2017; Zbl 1412.34097) Full Text: DOI
Zhang, Xinguang; Liu, Lishan; Wu, Yonghong; Wiwatanapataphee, B. The spectral analysis for a singular fractional differential equation with a signed measure. (English) Zbl 1338.34032 Appl. Math. Comput. 257, 252-263 (2015). MSC: 34A08 34B18 PDFBibTeX XMLCite \textit{X. Zhang} et al., Appl. Math. Comput. 257, 252--263 (2015; Zbl 1338.34032) Full Text: DOI
Wu, Jing; Zhang, Xinguang; Liu, Lishan; Wu, Yonghong Positive solution of singular fractional differential system with nonlocal boundary conditions. (English) Zbl 1348.34028 Adv. Difference Equ. 2014, Paper No. 323, 15 p. (2014). MSC: 34A08 34B15 34B16 34B10 34B18 PDFBibTeX XMLCite \textit{J. Wu} et al., Adv. Difference Equ. 2014, Paper No. 323, 15 p. (2014; Zbl 1348.34028) Full Text: DOI
Zhang, Xinguang; Liu, Lishan; Wu, Yonghong; Lu, Yinan The iterative solutions of nonlinear fractional differential equations. (English) Zbl 06447274 Appl. Math. Comput. 219, No. 9, 4680-4691 (2013). MSC: 65-XX PDFBibTeX XMLCite \textit{X. Zhang} et al., Appl. Math. Comput. 219, No. 9, 4680--4691 (2013; Zbl 06447274) Full Text: DOI
Wu, Jianwu; Zhang, Xinguang; Liu, Lishan; Wu, Yonghong Positive solutions of higher-order nonlinear fractional differential equations with changing-sign measure. (English) Zbl 1294.34028 Adv. Difference Equ. 2012, Paper No. 71, 14 p. (2012). MSC: 34B18 34B16 34A08 47N20 PDFBibTeX XMLCite \textit{J. Wu} et al., Adv. Difference Equ. 2012, Paper No. 71, 14 p. (2012; Zbl 1294.34028) Full Text: DOI
Yu, Feng; Zhang, Xinguang Existence of positive solutions for a singular nonlocal fractional differential equation eigenvalue problem. (Chinese. English summary) Zbl 1274.34017 J. Yantai Univ., Nat. Sci. Eng. 25, No. 4, 243-250, 320 (2012). MSC: 34A08 34B09 34B18 34B27 PDFBibTeX XMLCite \textit{F. Yu} and \textit{X. Zhang}, J. Yantai Univ., Nat. Sci. Eng. 25, No. 4, 243--250, 320 (2012; Zbl 1274.34017)
Zhang, Xinguang; Liu, Lishan; Wu, Yonghong The eigenvalue problem for a singular higher order fractional differential equation involving fractional derivatives. (English) Zbl 1254.34016 Appl. Math. Comput. 218, No. 17, 8526-8536 (2012). MSC: 34A08 34B09 34B27 34B18 47N20 34L15 PDFBibTeX XMLCite \textit{X. Zhang} et al., Appl. Math. Comput. 218, No. 17, 8526--8536 (2012; Zbl 1254.34016) Full Text: DOI
Zhang, Xinguang; Han, Yuefeng Existence and uniqueness of positive solutions for higher order nonlocal fractional differential equations. (English) Zbl 1244.34009 Appl. Math. Lett. 25, No. 3, 555-560 (2012). MSC: 34A08 47N20 34B18 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{Y. Han}, Appl. Math. Lett. 25, No. 3, 555--560 (2012; Zbl 1244.34009) Full Text: DOI
Zhang, Xinguang; Liu, Lishan The existence and nonexistence of entire positive solutions of semilinear elliptic systems with gradient term. (English) Zbl 1197.35097 J. Math. Anal. Appl. 371, No. 1, 300-308 (2010). MSC: 35J47 35J61 35B09 35B40 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{L. Liu}, J. Math. Anal. Appl. 371, No. 1, 300--308 (2010; Zbl 1197.35097) Full Text: DOI
Zhang, Xinguang Positive solutions for three-point semipositone boundary value problems with convex nonlinearity. (English) Zbl 1228.34044 J. Appl. Math. Comput. 30, No. 1-2, 349-367 (2009). Reviewer: Ravi Agarwal (Kingsville) MSC: 34B18 34B15 34B10 47N20 34B16 PDFBibTeX XMLCite \textit{X. Zhang}, J. Appl. Math. Comput. 30, No. 1--2, 349--367 (2009; Zbl 1228.34044) Full Text: DOI
Liu, Lishan; Zhang, Xinguang; Wu, Yonghong Existence of positive solutions for singular higher-order differential equations. (English) Zbl 1145.34317 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3948-3961 (2008). MSC: 34B18 34B16 PDFBibTeX XMLCite \textit{L. Liu} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 68, No. 12, 3948--3961 (2008; Zbl 1145.34317) Full Text: DOI
Zhang, Xinguang; Liu, Lishan Positive solutions of fourth-order four-point boundary value problems with \(p\)-Laplacian operator. (English) Zbl 1125.34018 J. Math. Anal. Appl. 336, No. 2, 1414-1423 (2007). MSC: 34B18 34B16 34B10 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{L. Liu}, J. Math. Anal. Appl. 336, No. 2, 1414--1423 (2007; Zbl 1125.34018) 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
Zou, Huichao; Jiang, Hefeng; Zhang, Xinguang Nonlinear eigenvalue problems for BVPs of second-order difference equations. (English) Zbl 1120.39012 Nonlinear Funct. Anal. Appl. 11, No. 4, 523-531 (2006). Reviewer: Victor I. Tkachenko (Kyïv) MSC: 39A11 39A12 34L30 PDFBibTeX XMLCite \textit{H. Zou} et al., Nonlinear Funct. Anal. Appl. 11, No. 4, 523--531 (2006; Zbl 1120.39012)
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)