Uniqueness result for the 3-D Navier-Stokes-Boussinesq equations with horizontal dissipation
Résumé
In this paper, for the 3-D Navier-Stokes-Boussinesq system with horizontal dissipation, where there is no smoothing effect on the vertical derivatives, we prove a uniqueness result of solutions (u, ρ) ∈ L ∞ T H 0,s × H 0,1−s with (h u, h ρ) ∈ L 2 T H 0,s × H 0,1−s and s ∈ [1/2, 1]. As a consequence, we improve the conditions stated in the paper [13] in order to obtain a global well-posedness result in the case of axisymmetric initial data.
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