“…From the scaling point of view, is important in the sense that if u is a solution of , then u λ ( x , t )= λu ( λx , λ 2 t ) with λ >0 is a parameter of solutions of ; moreover, Regularity criterion was later generalized by Beir o da Veiga to be The Prodi‐Serrin conditions was improved from classical Lebesgue spaces larger Besov spaces by Kozono‐Shimada: Zhang and Yang extended and simultaneously as …”