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Currently displaying 1 – 5 of 5

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Positive solutions of a singular positone and semipositone boundary value problems for fourth-order difference equations.

Yuan, Chengjun — 2010

Discrete Dynamics in Nature and Society

Multiple positive solutions for $(n - 1, 1)$ -type semipositone conjugate boundary value problems of nonlinear fractional differential equations.

Yuan, Chengjun — 2010

Electronic Journal of Qualitative Theory of Differential Equations [electronic only]

Singular positone and semipositone boundary value problems of nonlinear fractional differential equations.

Yuan, Chengjun; Jiang, Daqing; Xu, Xiaojie — 2009

Mathematical Problems in Engineering

Existence and uniqueness of solutions for singular higher order continuous and discrete boundary value problems.

Yuan, Chengjun; Jiang, Daqing; Zhang, You — 2008

Boundary Value Problems [electronic only]

A note on periodic solutions of second order nonautonomous singular coupled systems.

Cao, Zhongwei; Yuan, Chengjun; Jiang, Daqing; Wang, Xiaowei — 2010

Mathematical Problems in Engineering

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