Global solution of the 3D incompressible Navier–Stokes equations in the Besov spaces
$${\dot{\varvec{R}}}_{{\varvec{r}}_{\varvec{1}},{\varvec{r}}_{{\varvec{2}}},{\varvec{r}}_{{\varvec{3}}}}^{{\varvec{\sigma }},{\varvec{1}}}$$
R
˙
r
1
,
r
2
,
r
3
σ
,
1