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TWO POSITIVE PERIODIC SOLUTIONS OF NONLINEAR INTEGRAL EQUATION ON THE INFINITE INTERVAL MODELLING INFECTIOUS DISEASE

TWO POSITIVE PERIODIC SOLUTIONS OF NONLINEAR INTEGRAL EQUATION ON THE INFINITE INTERVAL MODELLING INFECTIOUS DISEASE
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摘要 In this paper, by applying Avery-Henderson fixed point theorem in a cone, we establish some new existence results of two positive periodic solutions for a type of nonlinear integral equations with variant delay. In this paper, by applying Avery-Henderson fixed point theorem in a cone, we establish some new existence results of two positive periodic solutions for a type of nonlinear integral equations with variant delay.
出处 《Annals of Differential Equations》 2006年第4期589-595,共7页 微分方程年刊(英文版)
关键词 positive periodic solutions nonlinear integral equation Avery Henderson fixed point theorem positive periodic solutions nonlinear integral equation Avery Henderson fixed point theorem
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参考文献5

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