Geodesic
Existence and uniqueness of positive periodic solutions of delayed Nicholson's blowflies models
Fei Long1 ; Bingwen Liu2
1Department of Mathematics and Computer Science Hunan City University Yiyang, Hunan 413000, P.R. China
2College of Mathematics, Physics and Information Engineering Jiaxing University Jiaxing, Zhejiang 314001, P.R. China
Annales Polonici Mathematici, Tome 103 (2012) no. 3, pp. 217-228
Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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This paper is concerned with a class of Nicholson's blowflies models with multiple time-varying delays. By applying the coincidence degree, some criteria are established for the existence and uniqueness of positive periodic solutions of the model. Moreover, a totally new approach to proving the uniqueness of positive periodic solutions is proposed. In particular, an example is employed to illustrate the main results.
DOI : 10.4064/ap103-3-1
Keywords: paper concerned class nicholsons blowflies models multiple time varying delays applying coincidence degree criteria established existence uniqueness positive periodic solutions model moreover totally approach proving uniqueness positive periodic solutions proposed particular example employed illustrate main results

Fei Long  1   ; Bingwen Liu  2

1 Department of Mathematics and Computer Science Hunan City University Yiyang, Hunan 413000, P.R. China
2 College of Mathematics, Physics and Information Engineering Jiaxing University Jiaxing, Zhejiang 314001, P.R. China 
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     title = {Existence and uniqueness of positive periodic solutions
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Fei Long; Bingwen Liu. Existence and uniqueness of positive periodic solutions
 of delayed Nicholson's blowflies models. Annales Polonici Mathematici, Tome 103 (2012) no. 3, pp. 217-228. doi: 10.4064/ap103-3-1

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