Abstract
In this paper, we study the existence of positive periodic solutions to the equation x = f (t, x). It is proved that such a equation has more than one positive periodic solution when the nonlinearity changes sign. The proof relies on a fixed point theorem in cones.
| Original language | English (Ireland) |
|---|---|
| Number of pages | 7 |
| Journal | BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY |
| Volume | 73 |
| Publication status | Published - 1 Apr 2006 |
Authors (Note for portal: view the doc link for the full list of authors)
- Authors
- Chu, JF;Lin, XN;Jiang, DQ;O'Regan, D;Agarwal, RP