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ZHANG Wei-peng, ZHU De-ming. Periodicity of a Nonautonomous Ratio-Dependent Predator-Prey Systems with Impulses(English)[J]. Journal of East China Normal University (Natural Sciences), 2007, (1): 27-35.
Citation:
ZHANG Wei-peng, ZHU De-ming. Periodicity of a Nonautonomous Ratio-Dependent Predator-Prey Systems with Impulses(English)[J]. Journal of East China Normal University (Natural Sciences), 2007, (1): 27-35.
ZHANG Wei-peng, ZHU De-ming. Periodicity of a Nonautonomous Ratio-Dependent Predator-Prey Systems with Impulses(English)[J]. Journal of East China Normal University (Natural Sciences), 2007, (1): 27-35.
Citation:
ZHANG Wei-peng, ZHU De-ming. Periodicity of a Nonautonomous Ratio-Dependent Predator-Prey Systems with Impulses(English)[J]. Journal of East China Normal University (Natural Sciences), 2007, (1): 27-35.
This paper explored the existence of periodic solutions with strictly positive components and impulses of a nonautonomous ratio-dependent predator-prey system. Sufficient criteria were obtained for the existence of strictly positive periodic solutions. The approach was based on a continuation theorem in the coincidence degree theory as well as some prior estimates.