On the existence of global solutions for the 3D chemorepulsion system
In this paper, we give sufficient conditions for global-in-time existence of classical solutions for the fully parabolic chemorepulsion system posed on a convex, bounded three-dimensional domain. Our main result establishes global-in-time existence of regular nonnegative solutions provided that $\nabla\sqrt{u} \in L^4(0, T; L^2(Ω))$. Our method is related to the Bakry--Émery calculation and appears to be new in this context.
math.AP↗