paperunreviewedFeb 13, 2026navier–stokes · regularity · prodi–serrin · spectral dns · turbulence↗ original problem
Navier--Stokes Regularity via Critical Norm Tracking
We study 3D incompressible Navier--Stokes flow on a periodic box and design a diagnostic suite that links classical Prodi--Serrin mixed norms, weak-$L^p$ (Lorentz) proxies, scaling…