Mild criticality breaking for the Navier-Stokes equations

Tobias Barker, Christophe Prange

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In this short paper we prove the global regularity of solutions to the Navier–Stokes equations under the assumption that slightly supercritical quantities are bounded. As a consequence, we prove that if a solution u to the Navier–Stokes equations blows-up, then certain slightly supercritical Orlicz norms must become unbounded. This partially answers a conjecture recently made by Terence Tao. The proof relies on quantitative regularity estimates at the critical level and transfer of subcritical information on the initial data to arbitrarily large times. This method is inspired by a recent paper of Aynur Bulut, where similar results are proved for energy supercritical nonlinear Schrödinger equations.
Original languageEnglish
Article number66
JournalJournal of Mathematical Fluid Mechanics
Publication statusPublished - 26 May 2021


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