| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4629846 | Applied Mathematics and Computation | 2012 | 8 Pages |
Abstract
We establish a complete structure for the existence of positive periodic solutions of first-order non-autonomous singular systemuiâ²(t)=-ai(t)ui(t)+λbi(t)fi(u(t)),i=1,â¦,n.The methods employed are fixed point index theorems, Leray-Schauder degree and lower and upper solutions method.
Related Topics
Physical Sciences and Engineering
Mathematics
Applied Mathematics
Authors
Ruipeng Chen, Ruyun Ma, Zhiqian He,