Existence of positive solutions for a fourth-order differential system
This paper investigates the existence of positive solutions for a fourth-order differential system using a fixed point theorem of cone expansion and compression type.
Ravi P. Agarwal, B. Kovacs, D. O'Regan (2014)
Annales Polonici Mathematici
This paper investigates the existence of positive solutions for a fourth-order differential system using a fixed point theorem of cone expansion and compression type.
Anderson, Douglas R., Minhós, Feliz (2009)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Bai, Chuanzhi (2010)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Yang, S.J., Shi, B., Zhang, D.C. (2007)
Boundary Value Problems [electronic only]
Liu, Shu, Jia, Mei, Tian, Yingqiang (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Zhang, Ying, Qiao, Shidong (2009)
Discrete Dynamics in Nature and Society
Karna, B., Lawrence, B. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Zhang, Meng, Sun, Shurong, Han, Zhenlai (2009)
Advances in Difference Equations [electronic only]
Han, Xiaoling, Gao, Hongliang, Xu, Jia (2011)
Fixed Point Theory and Applications [electronic only]
Xie, Dapeng, Bai, Chuanzhi, Liu, Yang, Wang, Chunli (2008)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Sun, Hong-Rui, Wang, Ying-Hai (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Yang, Aijun, Sun, Bo, Ge, Weigao (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Shao, Na-Na, Zhang, You-Wei (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Lin, Yuguo, Pei, Minghe (2010)
Advances in Difference Equations [electronic only]
Chunmei Miao, Junfang Zhao, Weigao Ge (2009)
Czechoslovak Mathematical Journal
In this paper we deal with the four-point singular boundary value problem where , , , , , , , and may be singular at . By using the well-known theory of the Leray-Schauder degree, sufficient conditions are given for the existence of positive solutions.
Qiu, Tingting, Bai, Zhanbing (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Zeddini, Noureddine (2006)
Abstract and Applied Analysis
Mâagli, Habib, Toumi, Faten, Zribi, Malek (2003)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Zhong, Wenyong, Lin, Wei (2009)
Advances in Difference Equations [electronic only]
Ma, Ruyun, Li, Jiemei (2010)
Boundary Value Problems [electronic only]