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Weak-strong uniqueness criteria for the critical quasi-geostrophic equation. (English) Zbl 1143.76339
Summary: We give two weak-strong uniqueness results for the weak solutions to the critical dissipative quasi-geostrophic equation when the initial data belongs to $\dot H ^{-1/2}$. The first one shows that we can construct a unique $\dot H ^{-1/2}$-solution when the initial data belongs moreover to $L^\infty$ with a small $L^\infty$ norm. The other one gives the uniqueness of a $\dot H ^{-1/2}$-solution which belongs to $\cal C([0,T),CMO)$.

##### MSC:
 76-06 Proceedings of conferences (fluid mechanics) 00B25 Proceedings of conferences of miscellaneous specific interest
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##### References:
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