Mathematics – Analysis of PDEs
Scientific paper
2006-09-28
Mathematics
Analysis of PDEs
32 pages, a proof of spatial analyticity included, a regularity result for the self-similar solutions added
Scientific paper
In 2001, H. Koch and D. Tataru proved the existence of global in time solutions to the incompressible Navier-Stokes equations in ${\mathbb{R}}^d$ for initial data small enough in $BMO^{-1}$. We show in this article that the Koch and Tataru solution has higher regularity. As a consequence, we get a decay estimate in time for any space derivative, and space analyticity of the solution. Also as an application of our regularity theorem, we prove a regularity result for self-similar solutions.
Germain Pierre
Pavlović Nataša
Staffilani Gigliola
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