Abstracts > Moussa Ayman

Uniqueness of weak solutions for the 2D Vlasov-Navier-Stokes system
Ayman Moussa  1  
1 : Laboratoire Jacques-Louis Lions  (LJLL)  -  Website
Université Pierre et Marie Curie - Paris 6, Université Paris Diderot - Paris 7, Centre National de la Recherche Scientifique : UMR7598
Université Pierre et Marie Curie, Boîte courrier 187 - 75252 Paris Cedex 05 -  France

We prove a uniqueness result for weak solutions to the Vlasov-Navier-Stokes system in two dimensions, both in the whole space and in the periodic case, under a mild decay condition on the initial distribution function. The main result is achieved by combining methods from optimal transportation (introduced in this context by G. Loeper) with the use of Hardy's maximal function, in order to obtain some fine Wassestein-like estimates for the difference of two solutions of the Vlasov equation.


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