Yang, Zhilin; Sun, Jingxian Positive solutions of a fourth-order boundary value problem involving derivatives of all orders. (English) Zbl 1267.34051 Commun. Pure Appl. Anal. 11, No. 5, 1615-1628 (2012). MSC: 34B18 47H11 47N20 45J05 45M20 PDFBibTeX XMLCite \textit{Z. Yang} and \textit{J. Sun}, Commun. Pure Appl. Anal. 11, No. 5, 1615--1628 (2012; Zbl 1267.34051) Full Text: DOI
Wang, Feng; Sun, Jingxian; Cui, Yujun Continuation theorems in cones and their applications. (Chinese. English summary) Zbl 1265.34065 Chin. Ann. Math., Ser. A 32, No. 6, 737-744 (2011). MSC: 34B15 47H11 47N20 PDFBibTeX XMLCite \textit{F. Wang} et al., Chin. Ann. Math., Ser. A 32, No. 6, 737--744 (2011; Zbl 1265.34065)
Liu, Xiaoying; Sun, Jingxian Bifurcation points and global structure of positive eigenvalues for cone mappings with no differentiability at the zero point. (Chinese. English summary) Zbl 1230.47087 J. Syst. Sci. Math. Sci. 30, No. 8, 1111-1118 (2010). MSC: 47J15 35J25 47N20 35B09 35J66 PDFBibTeX XMLCite \textit{X. Liu} and \textit{J. Sun}, J. Syst. Sci. Math. Sci. 30, No. 8, 1111--1118 (2010; Zbl 1230.47087)
Liu, Xiaoying; Sun, Jingxian Computation of topological degree of unilaterally asymptotically linear operators and its applications. (English) Zbl 1191.47076 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 1-2, 96-106 (2009). Reviewer: Nils Ackermann (México) MSC: 47H11 35J61 35J25 47N20 PDFBibTeX XMLCite \textit{X. Liu} and \textit{J. Sun}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 71, No. 1--2, 96--106 (2009; Zbl 1191.47076) Full Text: DOI
Xu, Xian; Sun, Jingxian Solutions for an operator equation under the conditions of pairs of paralleled lower and upper solutions. (English) Zbl 1165.47044 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 7, 2251-2266 (2008). Reviewer: Yongxiang Li (Lanzhou) MSC: 47J05 47H11 34B15 47H10 47N20 PDFBibTeX XMLCite \textit{X. Xu} and \textit{J. Sun}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 7, 2251--2266 (2008; Zbl 1165.47044) Full Text: DOI
Zhang, Kemei; Sun, Jingxian Multiple solutions for superlinear operator equations in Banach spaces and applications. (Chinese. English summary) Zbl 1117.47304 Acta Math. Sin. 48, No. 1, 99-108 (2005). MSC: 47J05 34B15 47H10 47N20 PDFBibTeX XMLCite \textit{K. Zhang} and \textit{J. Sun}, Acta Math. Sin. 48, No. 1, 99--108 (2005; Zbl 1117.47304)
Zhang, Kemei; Sun, Jingxian The relation between sign-changing solution and positive-negative solutions for nonlinear operator equations and its applications. (English) Zbl 1075.47035 Acta Math. Sci., Ser. B, Engl. Ed. 24, No. 3, 463-468 (2004). Reviewer: Gerhard-Wilhelm Weber (Ankara) MSC: 47J05 47H10 47N20 34B24 47H07 47H11 PDFBibTeX XMLCite \textit{K. Zhang} and \textit{J. Sun}, Acta Math. Sci., Ser. B, Engl. Ed. 24, No. 3, 463--468 (2004; Zbl 1075.47035) Full Text: DOI
Lu, Huiqin; Sun, Jingxian Global results for eigenvectors of superlinear operators and applications. (English) Zbl 1054.47050 Indian J. Pure Appl. Math. 35, No. 2, 225-236 (2004). MSC: 47J10 34B16 47N20 PDFBibTeX XMLCite \textit{H. Lu} and \textit{J. Sun}, Indian J. Pure Appl. Math. 35, No. 2, 225--236 (2004; Zbl 1054.47050)
Zhang, Kemei; Sun, Jingxian Existence of sign-changing solutions for nonlinear operator equations and its applications. (Chinese. English summary) Zbl 1078.47503 Acta Math. Sin. 46, No. 4, 815-822 (2003). MSC: 47J05 34B15 34B24 47N20 PDFBibTeX XMLCite \textit{K. Zhang} and \textit{J. Sun}, Acta Math. Sin. 46, No. 4, 815--822 (2003; Zbl 1078.47503)
Liu, Xiaoying; Sun, Jingxian Computation of the topological degree and applications to superlinear system of equations. (Chinese. English summary) Zbl 0897.47050 J. Syst. Sci. Math. Sci. 16, No. 1, 51-59 (1996). MSC: 47H11 PDFBibTeX XMLCite \textit{X. Liu} and \textit{J. Sun}, J. Syst. Sci. Math. Sci. 16, No. 1, 51--59 (1996; Zbl 0897.47050)
Guo, Dajun; Sun, Jingxian Evaluation of topological degree and applications. (Chinese) Zbl 0687.47047 J. Math. Res. Expo. 8, No. 3, 469-480 (1988). Reviewer: Y.Ling MSC: 47J05 47H10 55M25 58C40 58E07 PDFBibTeX XMLCite \textit{D. Guo} and \textit{J. Sun}, J. Math. Res. Expo. 8, No. 3, 469--480 (1988; Zbl 0687.47047)
Sun, Jingxian Computation of topological degree and applications to nonlinear operators. (Chinese) Zbl 0625.47046 Acta Math. Sin. 28, 347-359 (1985). Reviewer: Ding Guangui MSC: 47J10 47J05 47E05 47Gxx 45G10 PDFBibTeX XMLCite \textit{J. Sun}, Acta Math. Sin. 28, 347--359 (1985; Zbl 0625.47046)