Key points are not available for this paper at this time.
It is shown that a weak solution of the Navier–Stokes equations lying in a space Lq (0, T;Lᵖ), where 1/p+1/q 1/2 and p 4, satisfies an energy equality rather than the usual energy inequality. This is true regardless of the dimension of the underlying space.
Marvin Shinbrot (Fri,) studied this question.