Boundedness of solutions for a class of
✍
Bingwen Liu; Lihong Huang
📂
Article
📅
2003
🏛
Elsevier Science
🌐
English
⚖ 194 KB
Consider the retarded Liénard equation where h is a nonnegative constant, f 1 , f 2 , and g are continuous functions on R = (-∞, +∞), and e(t) is a continuous function on R + = [0, +∞). We obtain some new sufficient conditions, as well as some new necessary and sufficient conditions for all solutio