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Mathematical Research at the University of Cambridge


My recent contributions, with Marie Farge, Edriss Titi, Emile Wiedemann, Piotr and Agneska Gwiadza, were motivated by the following issues:
The role of boundary e*ffect in mathematical theory of fluids mechanic and the similarity, in presence of these e*ffects, of the weak convergence in the zero viscosity limit and the statistical theory of turbulence.

As a consequence. I will recall the Onsager conjecture and compare it to the issue of anomalous energy dissipation. Then I will give a proof of the local conservation of energy under convenient hypothesis in a domain with boundary and give supplementary condition that imply the global conservation of energy in a domain with boundary and the absence of anomalous energy dissipation in the zero viscosity limit of solutions of the Navier-Stokes equation in the presence of no slip boundary condition. Eventually the above results are compared with several forms of a basic theorem of Kato in the presence of a Lipschitz solution of the Euler equations and one may insist on the fact that in such case the the absence of anomalous energy dissipation is equivalent to the persistence of regularity in the zero viscosity limit. Eventually this remark contributes
to the resolution of the d'Alembert Paradox.

Further information


Nov 21st 2019
15:00 to 16:00


MR 14


Claude Bardos, Laboratoire Jacques Louis Lions


Applied and Computational Analysis