Local-in-space estimates near initial time for weak solutions of the Navier-Stokes equations and forward self-similar solutions

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Abstract

We show that the classical Cauchy problem for the incompressible 3d Navier-Stokes equations with (-1)-homogeneous initial data has a global scale-invariant solution which is smooth for positive times. Our main technical tools are local-in-space regularity estimates near the initial time, which are of independent interest.

Original languageEnglish (US)
Pages (from-to)233-265
Number of pages33
JournalInventiones Mathematicae
Volume196
Issue number1
DOIs
StatePublished - Apr 2014

Bibliographical note

Funding Information:
This work was supported in part by grant DMS 1101428 from the National Science Foundation.

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