A Differential Harnack Inequality for the FitzHugh-Nagumo Equation

Xiaodong Cao, Harry Fluck, Sophia Teng

In this paper we develop a Li-Yau-Hamilton (LYH) type differential Harnack estimate for positive solutions to the FitzHugh-Nagumo equation on ${\mathbb{R}}^n$. We then use our LYH-di…