Abstract
A stochastic variational principle for the (two dimensional) Navier-Stokes equation is established. The velocity field can be considered as a generalized velocity of a diffusion process with values on the volume preserving diffeomorphism group of the underlying manifold. Navier-Stokes equation is reinterpreted as a perturbed equation of geodesics for the L 2 norm. The method described here should hold as well in higher dimensions.
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Communicated by P. Constantin.
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Cipriano, F., Cruzeiro, A.B. Navier-Stokes Equation and Diffusions on the Group of Homeomorphisms of the Torus. Commun. Math. Phys. 275, 255–269 (2007). https://doi.org/10.1007/s00220-007-0306-3
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DOI: https://doi.org/10.1007/s00220-007-0306-3