Abstract
Sufficient conditions are obtained for the existence of at least one positive periodic solution of a periodic cooperative model with delays and impulses by using Mawhin's continuation theorem of coincidence degree theory.
Open Access
Existence of positive periodic solution of a periodic cooperative model with delays and impulses
Received01 Dec 2005
Accepted02 May 2006
Published04 Oct 2006
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Copyright
Copyright © 2006 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.