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Currently displaying 1 – 4 of 4

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Multiplicity of positive solutions to second order differential equations with Neumann boundary conditions

Jifeng Chu; Daqing Jiang; Donal O'Regan; R. P. Agarwal — 2005

Applicationes Mathematicae

We study the existence of positive solutions to second order nonlinear differential equations with Neumann boundary conditions. The proof relies on a fixed point theorem in cones, and the positivity of Green's function plays a crucial role in our study.

The Lyapunov stability for the linear and nonlinear damped oscillator with time-periodic parameters.

Chu, Jifeng; Xia, Ting — 2010

Abstract and Applied Analysis

Positive solutions and eigenvalues of nonlocal boundary-value problems.

Chu, Jifeng; Zhou, Zhongcheng — 2005

Electronic Journal of Differential Equations (EJDE) [electronic only]

Recent existence results for second-order singular periodic differential equations.

Chu, Jifeng; Nieto, Juan J. — 2009

Boundary Value Problems [electronic only]

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