Existence of non-trivial nonnegative periodic solutions for a classof degenerate parabolic equations with nonlocal terms
Rui Huang, Yifu Wang, Yuanyuan Ke · Discrete and Continuous Dynamical Systems - B · 2005
In this paper, we establish the existence of non-trivial nonnegative periodic solutions for a class of degenerate parabolic equations with nonlocal terms by using the theory of Leray-Schauder's degree.