(1) Department of Mathematics, Shanghai Jiaotong University, Shanghai, 200030, P. R. China;(2) Department of Mathematics, Northwestern University, Evanston, IL 60208, USA
Abstract:
Abstract
We establish a criterion for the uniqueness of periodic
solutions for a class of second-order equations. We also give an
application to a polynomial system and corrections to some known
results.
Project supported by the National Natural Science
Foundation of China (10371072)