The method of upper and lower solutions for second-order non-homogeneous two-point boundary-value problem. Jia, Mei; Liu, Xiping — 2007 Electronic Journal of Differential Equations (EJDE) [electronic only]
Remarks on a class of quasilinear elliptic systems involving the ( p , q ) -Laplacian. Zhang, Guoqing; Liu, Xiping; Liu, Sanyang — 2005 Electronic Journal of Differential Equations (EJDE) [electronic only]
Multiplicity of positive solutions for four-point boundary value problems of impulsive differential equations with p -Laplacian. Shen, Li; Liu, Xiping; Lu, Zhenhua — 2010 Electronic Journal of Differential Equations (EJDE) [electronic only]
Positive solutions for second-order m-point boundary-value problems with nonlinearity depending on the first derivative. Yang, Liu; Liu, Xiping; Shen, Chunfang — 2006 Electronic Journal of Differential Equations (EJDE) [electronic only]
Sufficient condition for existence of solutions for higher-order resonance boundary value problem with one-dimensional p-Laplacian. Yang, Liu; Shen, Chunfang; Liu, Xiping — 2007 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Existence and uniqueness of solution for fractional differential equations with integral boundary conditions. Liu, Xiping; Jia, Mei; Wu, Baofeng — 2009 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Positive solutions for singular Sturm-Liouville boundary value problems with integral boundary conditions. Liu, Xiping; Xiao, Yu; Chen, Jianming — 2010 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]