Controllability of 3D incompressible Euler equations by a finite-dimensional external force
ESAIM: Control, Optimisation and Calculus of Variations, Tome 16 (2010) no. 3, pp. 677-694.

In this paper, we study the control system associated with the incompressible 3D Euler system. We show that the velocity field and pressure of the fluid are exactly controllable in projections by the same finite-dimensional control. Moreover, the velocity is approximately controllable. We also prove that 3D Euler system is not exactly controllable by a finite-dimensional external force.

DOI : 10.1051/cocv/2009017
Classification : 35Q35, 93C20
Mots-clés : controllability, 3D incompressible Euler equations, Agrachev-Sarychev method 
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     title = {Controllability of {3D} incompressible {Euler} equations by a finite-dimensional external force},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {677--694},
     publisher = {EDP-Sciences},
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Nersisyan, Hayk. Controllability of 3D incompressible Euler equations by a finite-dimensional external force. ESAIM: Control, Optimisation and Calculus of Variations, Tome 16 (2010) no. 3, pp. 677-694. doi : 10.1051/cocv/2009017. http://www.numdam.org/articles/10.1051/cocv/2009017/

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