Non-uniqueness of the Leray-Hopf solutions in the hyperbolic setting

Details Non-uniqueness of the Leray-Hopf solutions in the hyperbolic setting Non-uniqueness of the Leray-Hopf solutions in the hyperbolic setting

2010-06-14

arxiv.org/abs/1006.2819v1

Mathematics

Analysis of PDEs

30 pages

Scientific paper

We consider the Navier-Stokes equation on $\mathbb{H}^{2}(-a^{2})$, the two dimensional hyperbolic space with constant sectional curvature $-a^{2}$. We prove an ill-posedness result in the sense that the uniqueness of the Leray-Hopf weak solutions to the Navier-Stokes equation breaks down on $\mathbb{H}^{2}(-a^{2})$. We also obtain a corresponding result on a more general negatively curved manifold for a modified geometric version of the Navier-Stokes equation. Finally, as a corollary we also show a lack of the Liouville theorem in the hyperbolic setting both in two and three dimensions.

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