Positive Periodic Solutions of Nicholson‐Type Delay Systems with Nonlinear Density‐Dependent Mortality Terms | Zendy

Wei Chen | Zendy; Lijuan Wang | Zendy

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Positive Periodic Solutions of Nicholson‐Type Delay Systems with Nonlinear Density‐Dependent Mortality Terms

Author(s) -

Wei Chen,

Lijuan Wang

Publication year - 2012

Publication title -

abstract and applied analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.228

H-Index - 56

eISSN - 1687-0409

pISSN - 1085-3375

DOI - 10.1155/2012/843178

Subject(s) - mathematics , nonlinear system , type (biology) , class (philosophy) , coincidence , degree (music) , mathematical analysis , ecology , physics , quantum mechanics , biology , medicine , alternative medicine , pathology , artificial intelligence , computer science , acoustics

This paper is concerned with the periodic solutions for a class of Nicholson-type delay systems with nonlinear density-dependent mortality terms. By using coincidence degree theory, some criteria are obtained to guarantee the existence of positive periodic solutions of the model. Moreover, an example and a numerical simulation are given to illustrate our main results

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