June  2004, 3(2): 175-182. doi: 10.3934/cpaa.2004.3.175

Multiple positive periodic solutions for a delay host macroparasite model

1. 

Department of Mathematical Sciences, University of Alabama in Huntsville, Huntsville, AL 35899, United States

Received  May 2003 Revised  January 2003 Published  March 2004

A scalar non-autonomous periodic differential equation with delays arising from a delay host macroparasite model is studied. Two results are presented for the equation to have at least two positive periodic solutions: the hypotheses of the first result involve delays, while the second result holds for arbitrary delays.
Citation: Shangbing Ai. Multiple positive periodic solutions for a delay host macroparasite model. Communications on Pure & Applied Analysis, 2004, 3 (2) : 175-182. doi: 10.3934/cpaa.2004.3.175
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