On time-dependent Besov vector fields and the regularity of their flows

David Nicolas Nenning

We show ODE-closedness for a large class of Besov spaces ${\mathcal{B}}^{n,\alpha ,p}({\mathbb{R}}^d,{\mathbb{R}}^d)$, where $n\ge 1,\alpha \in (0,1],p\in [1,\infty ]$. ODE-closedness means that…