The word energies of T in the twistie1 bound #
From the three gradient contracts (‖∇ ∂^w T‖, |w| ≤ 2, at the rate L) to the bound of the sum
U = ∑_w 14336 D² L^{2(2-|w|)} ‖∇ ∂^w T‖²_{L²((0,1)×𝕋²)} of se_time_bound.