Ji, Hongwei; Sun, Jingxian; Cui, Yujun Existence of sign-changing solutions for a class of second-order nonlinear \(m\)-point boundary value problem. (Chinese. English summary) Zbl 1424.34080 Math. Pract. Theory 48, No. 18, 223-228 (2018). MSC: 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{H. Ji} et al., Math. Pract. Theory 48, No. 18, 223--228 (2018; Zbl 1424.34080)
Xing, Hui; Sun, Jingxian Computation of fixed point index and its applications. (English) Zbl 1323.47063 Rocky Mt. J. Math. 45, No. 4, 1369-1388 (2015). MSC: 47H11 47N20 PDFBibTeX XMLCite \textit{H. Xing} and \textit{J. Sun}, Rocky Mt. J. Math. 45, No. 4, 1369--1388 (2015; Zbl 1323.47063) Full Text: DOI Euclid
Ciu, Yujun; Sun, Jingxian On existence of positive solutions of coupled integral boundary value problems for a nonlinear singular superlinear differential system. (English) Zbl 1340.34087 Electron. J. Qual. Theory Differ. Equ. 2012, Paper No. 41, 13 p. (2012). MSC: 34B18 34B10 47N20 PDFBibTeX XMLCite \textit{Y. Ciu} and \textit{J. Sun}, Electron. J. Qual. Theory Differ. Equ. 2012, Paper No. 41, 13 p. (2012; Zbl 1340.34087) Full Text: DOI
Cui, Yujun; Sun, Jingxian Existence of multiple positive solutions for fourth-order boundary value problems in Banach spaces. (English) Zbl 1281.34026 Bound. Value Probl. 2012, Paper No. 107, 13 p. (2012). MSC: 34B18 34B15 34G20 47N20 PDFBibTeX XMLCite \textit{Y. Cui} and \textit{J. Sun}, Bound. Value Probl. 2012, Paper No. 107, 13 p. (2012; Zbl 1281.34026) Full Text: DOI
Lu, Haixia; Sun, Li; Sun, Jingxian Existence of positive solutions to a non-positive elastic beam equation with both ends fixed. (English) Zbl 1278.34020 Bound. Value Probl. 2012, Paper No. 56, 10 p. (2012). MSC: 34B18 34B16 34B15 74K10 47N20 PDFBibTeX XMLCite \textit{H. Lu} et al., Bound. Value Probl. 2012, Paper No. 56, 10 p. (2012; Zbl 1278.34020) 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)
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
Cui, Yujun; Sun, Jingxian A generalization of Mahadevan’s version of the Krein-Rutman theorem and applications to \(p\)-Laplacian boundary value problems. (English) Zbl 1252.47045 Abstr. Appl. Anal. 2012, Article ID 305279, 14 p. (2012). MSC: 47H07 47J10 47H11 47N20 35J92 PDFBibTeX XMLCite \textit{Y. Cui} and \textit{J. Sun}, Abstr. Appl. Anal. 2012, Article ID 305279, 14 p. (2012; Zbl 1252.47045) 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)
Li, Lai; Sun, Jingxian; Zhao, Lühuizi The solutions of a class of Hammerstein-type integral equations. (Chinese. English summary) Zbl 1249.45019 J. Sichuan Norm. Univ., Nat. Sci. 34, No. 5, 646-650 (2011). MSC: 45N05 45H05 47H10 45G10 47H30 47H11 PDFBibTeX XMLCite \textit{L. Li} et al., J. Sichuan Norm. Univ., Nat. Sci. 34, No. 5, 646--650 (2011; Zbl 1249.45019) Full Text: DOI
Zhou, Yanqiu; Sun, Jingxian; Sun, Jie The iterative method of generalized \(u_{0}\)-concave operators. (English) Zbl 1215.47049 Fixed Point Theory Appl. 2011, Article ID 979261, 11 p. (2011). MSC: 47H10 47N20 47J25 PDFBibTeX XMLCite \textit{Y. Zhou} et al., Fixed Point Theory Appl. 2011, Article ID 979261, 11 p. (2011; Zbl 1215.47049) Full Text: DOI EuDML
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)
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
Sun, Jingxian; Liu, Xiaoying Computation of fixed point index for no-cone mappings and its applications. (Chinese. English summary) Zbl 1219.47090 Acta Math. Sin., Chin. Ser. 53, No. 3, 417-428 (2010). MSC: 47H11 47N20 35J60 PDFBibTeX XMLCite \textit{J. Sun} and \textit{X. Liu}, Acta Math. Sin., Chin. Ser. 53, No. 3, 417--428 (2010; Zbl 1219.47090)
Cui, Yujun; Sun, Jingxian; Zou, Yumei Positive solutions of singular boundary value problems of fourth-order differential equations. (English) Zbl 1212.34054 J. Math. Res. Expo. 29, No. 2, 376-380 (2009). MSC: 34B18 34B16 47N20 PDFBibTeX XMLCite \textit{Y. Cui} et al., J. Math. Res. Expo. 29, No. 2, 376--380 (2009; Zbl 1212.34054) 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)
Zhang, Xingqiu; Sun, Jingxian The existence of positive solution for singular boundary value problems of first order differential equation on unbounded domains. (English) Zbl 1181.34029 Acta Math. Appl. Sin., Engl. Ser. 25, No. 1, 95-104 (2009). MSC: 34B16 34B15 47N20 34B18 34B40 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{J. Sun}, Acta Math. Appl. Sin., Engl. Ser. 25, No. 1, 95--104 (2009; Zbl 1181.34029) Full Text: DOI
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
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)
Sun, Jingxian; Liu, Xiaoying Computation of topological degree for nonlinear operators and applications. (English) Zbl 1169.47043 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 11, 4121-4130 (2008). Reviewer: Marco Spadini (Firenze) MSC: 47H11 47N20 PDFBibTeX XMLCite \textit{J. Sun} and \textit{X. Liu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 69, No. 11, 4121--4130 (2008; Zbl 1169.47043) 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, Xiaoyan; Sun, Jingxian Minimal and maximal mild solutions of semilinear evolution equations in Banach spaces. (Chinese. English summary) Zbl 1174.34454 J. Shandong Univ., Nat. Sci. 42, No. 10, 18-21 (2007). MSC: 34G20 34A12 47D60 47N20 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{J. Sun}, J. Shandong Univ., Nat. Sci. 42, No. 10, 18--21 (2007; Zbl 1174.34454)
Zhang, Kemei; Sun, Jingxian Four kinds of solutions for asymptotically linear operator equations and its applications. (Chinese. English summary) Zbl 1142.47351 Acta Math. Sin., Chin. Ser. 50, No. 6, 1405-1410 (2007). MSC: 47J05 47H10 47H11 47N20 PDFBibTeX XMLCite \textit{K. Zhang} and \textit{J. Sun}, Acta Math. Sin., Chin. Ser. 50, No. 6, 1405--1410 (2007; Zbl 1142.47351)
Xu, Xian; O’Regan, Donal; Sun, Jingxian Multiplicity results for three-point boundary value problems with a non-well-ordered upper and lower solution condition. (English) Zbl 1140.34009 Math. Comput. Modelling 45, No. 1-2, 189-200 (2007). Reviewer: Irena Rachůnková (Olomouc) MSC: 34B10 34B15 47N20 PDFBibTeX XMLCite \textit{X. Xu} et al., Math. Comput. Modelling 45, No. 1--2, 189--200 (2007; Zbl 1140.34009) Full Text: DOI
Zhang, Guowei; Sun, Jingxian A generalization of the cone expansion and compression fixed point theorem and applications. (English) Zbl 1127.47050 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 67, No. 2, 579-586 (2007). Reviewer: Yongxiang Li (Lanzhou) MSC: 47H10 34B15 34B18 47N20 PDFBibTeX XMLCite \textit{G. Zhang} and \textit{J. Sun}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 67, No. 2, 579--586 (2007; Zbl 1127.47050) Full Text: DOI
Sun, Jingxian; Cui, Yujun Multiple solutions for nonlinear operators and applications. (English) Zbl 1120.47050 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 9, 1999-2015 (2007). Reviewer: Grzegorz Gabor (Toruń) MSC: 47H10 47H11 47H07 47N20 PDFBibTeX XMLCite \textit{J. Sun} and \textit{Y. Cui}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 9, 1999--2015 (2007; Zbl 1120.47050) Full Text: DOI
Sun, jing Xian; Zhang, Guo Wei Positive solutions of singular nonlinear Sturm-Liouville problems. (Chinese. English summary) Zbl 1124.34323 Acta Math. Sin. 48, No. 6, 1095-1104 (2005). MSC: 34B18 34B15 34B16 47N20 PDFBibTeX XMLCite \textit{j. X. Sun} and \textit{G. W. Zhang}, Acta Math. Sin. 48, No. 6, 1095--1104 (2005; Zbl 1124.34323)
Sun, Jing Xian; Zhang, Xiao Yan The fixed point theorem of convex-power condensing operator and applications to abstract semilinear evolution equations. (Chinese. English summary) Zbl 1124.34342 Acta Math. Sin. 48, No. 3, 439-446 (2005). MSC: 34G20 47H09 47H10 47N20 PDFBibTeX XMLCite \textit{J. X. Sun} and \textit{X. Y. Zhang}, Acta Math. Sin. 48, No. 3, 439--446 (2005; Zbl 1124.34342)
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, Xiaoyan; Sun, Jingxian Existence and uniqueness of solutions for a class of nonlinear operator equations and its applications. (Chinese. English summary) Zbl 1280.47061 Acta Math. Sci., Ser. A, Chin. Ed. 25, No. 6, 846-851 (2005). MSC: 47J05 47H07 47N20 45J05 PDFBibTeX XMLCite \textit{X. Zhang} and \textit{J. Sun}, Acta Math. Sci., Ser. A, Chin. Ed. 25, No. 6, 846--851 (2005; Zbl 1280.47061)
Zhang, Jinqing; Sun, Jingxian The iterative technique of fixed points for increasing operators and applications to nonlinear integral equations. (Chinese. English summary) Zbl 1102.47049 Math. Appl. 18, No. 1, 128-135 (2005). Reviewer: Zhilin Yang (Qingdao) MSC: 47H10 47J25 45N05 47H07 47N20 PDFBibTeX XMLCite \textit{J. Zhang} and \textit{J. Sun}, Math. Appl. 18, No. 1, 128--135 (2005; Zbl 1102.47049)
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)
Sun, Jingxian; Zhang, Kemei On the number of fixed points of nonlinear operators and applications. (English) Zbl 1131.47308 J. Syst. Sci. Complex. 16, No. 2, 229-235 (2003). MSC: 47H10 47H30 47J05 47N20 PDFBibTeX XMLCite \textit{J. Sun} and \textit{K. Zhang}, J. Syst. Sci. Complex. 16, No. 2, 229--235 (2003; Zbl 1131.47308)
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)
Sun, Jingxian; Lou, Bendong Eigenvalues and eigenvectors of nonlinear operators and applications. (English) Zbl 0893.47039 Nonlinear Anal., Theory Methods Appl. 29, No. 11, 1277-1286 (1997). Reviewer: J.Appell (Würzburg) MSC: 47J10 47H30 PDFBibTeX XMLCite \textit{J. Sun} and \textit{B. Lou}, Nonlinear Anal., Theory Methods Appl. 29, No. 11, 1277--1286 (1997; Zbl 0893.47039) Full Text: DOI
Sun, Jingxian; Liu, Xiaoying Computation for topological degree and its applications. (English) Zbl 0866.47043 J. Math. Anal. Appl. 202, No. 3, 785-796 (1996). Reviewer: Gheorghe Moroşanu (Iaşi) MSC: 47H11 45G15 PDFBibTeX XMLCite \textit{J. Sun} and \textit{X. Liu}, J. Math. Anal. Appl. 202, No. 3, 785--796 (1996; Zbl 0866.47043) Full Text: DOI
Sun, Jingxian; Zhao, Zengqin Fixed point theorems of increasing operators and applications to nonlinear integro-differential equations with discontinuous terms. (English) Zbl 0779.47041 J. Math. Anal. Appl. 175, No. 1, 33-45 (1993). Reviewer: J.Górnicki (Rzeszów) MSC: 47H10 47H07 47G20 45G05 47N20 46A40 PDFBibTeX XMLCite \textit{J. Sun} and \textit{Z. Zhao}, J. Math. Anal. Appl. 175, No. 1, 33--45 (1993; Zbl 0779.47041) Full Text: DOI
Sun, Jingxian; Liu, Lishan Iterative method for coupled quasi-solutions of mixed monotone operator equations. (English) Zbl 0763.65041 Appl. Math. Comput. 52, No. 2-3, 301-308 (1992). Reviewer: A.Galántai (Miskolc-Egyetemvaros) MSC: 65J15 65R20 47J25 45G10 47H10 47H07 PDFBibTeX XMLCite \textit{J. Sun} and \textit{L. Liu}, Appl. Math. Comput. 52, No. 2--3, 301--308 (1992; Zbl 0763.65041) Full Text: DOI
Sun, Jingxian Maximal and minimal solutions of nonlinear integral equations. (Chinese. English summary) Zbl 0742.45002 J. Shandong Univ., Nat. Sci. Ed. 26, No. 3, 295-299 (1991). Reviewer: Lu Jian-Ke (Wuhan) MSC: 45G10 34A34 34B15 PDFBibTeX XMLCite \textit{J. Sun}, J. Shandong Univ., Nat. Sci. Ed. 26, No. 3, 295--299 (1991; Zbl 0742.45002)
Sun, Jingxian Fixed point theorems of increasing operators and applications to nonlinear equations with discontinuous nonlinearities in Banach spaces. (Chinese) Zbl 0759.47031 Acta Math. Sin. 34, No. 5, 665-674 (1991). Reviewer: Xu Chengxian (Xian) MSC: 47H10 47H07 PDFBibTeX XMLCite \textit{J. Sun}, Acta Math. Sin. 34, No. 5, 665--674 (1991; Zbl 0759.47031)
Sun, Jingxian The global structure of the set of characteristic vectors for superlinear operators. (Chinese) Zbl 0706.47033 Chin. Ann. Math., Ser. A 9, No. 3, 257-262 (1988). Reviewer: Li Shaokuan MSC: 47H09 47J10 PDFBibTeX XMLCite \textit{J. Sun}, Chin. Ann. Math., Ser. A 9, No. 3, 257--262 (1988; Zbl 0706.47033)
Sun, Jingxian Nontrivial solutions of superlinear Hammerstein integral equations and applications. (Chinese. English summary) Zbl 0633.45006 Chin. Ann. Math., Ser. A 7, 528-535 (1986). Reviewer: Hu Shouchuan MSC: 45G10 47H07 PDFBibTeX XMLCite \textit{J. Sun}, Chin. Ann. Math., Ser. A 7, 528--535 (1986; Zbl 0633.45006)
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)