Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4668923 | Bulletin des Sciences Mathématiques | 2013 | 5 Pages |
Abstract
It is shown that each closed orbit (if exists) of the Liénard system , is strictly convex under a mild condition on F(x). Specially the unique limit cycle of the Liénard system of the van der Pol equation is strictly convex for arbitrary μ>0. Some other examples are also provided.
Related Topics
Physical Sciences and Engineering
Mathematics
Mathematics (General)