A stochastic Lagrangian proof of global existence of the Navier-Stokes equations for flows with small Reynolds number
Gautam Iyer
Abstract
We consider the incompressible Navier-Stokes equations with spatially periodic boundary conditions. If the Reynolds number is small enough we provide an elementary short proof of the existence of global in time Hölder continuous solutions. Our proof is based on the stochastic Lagrangian formulation of the Navier-Stokes equations, and works in both the two and three dimensional situation.
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