Invariant Algebraic Curves and Rational
✍
Javier Chavarriga; Jaume Llibre
📂
Article
📅
2001
🏛
Elsevier Science
🌐
English
⚖ 131 KB
## dedicated to professor jack k. hale on the occasion of his 70th birthday We present three main results. The first two provide sufficient conditions in order that a planar polynomial vector field in C 2 has a rational first integral, and the third one studies the number of multiple points that a