Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4623162 | Journal of Mathematical Analysis and Applications | 2007 | 12 Pages |
Abstract
In our paper, by employing Krasnoselskii fixed point theorem, we investigate the existence of multiple positive periodic solutions for functional differential equationsx˙(t)=A(t,x(t))x(t)+λf(t,xt), where λ>0λ>0 is a parameter. Some easily verifiable sufficient criteria are established.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
Zhijun Zeng, Li Bi, Meng Fan,