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Lipschitz stability of optimal controls for the steady-state Navier-Stokes equations
Roubíček, Tomaš; Tröltzsch, Fredi
Preprint-Reihe des Instituts für Mathematik, Technische Universität Berlin
An optimal control problem with quadratic cost functional for the steady-state Navier-Stokes equations with no-slip boundary condition is considered. Lipschitz stability of locally optimal controls with respect to certain perturbations of both the cost functional and the equation is proved provided a second-order sufficient optimality condition holds. For a sufficiently small Reynolds number, even global Lipschitz stability of the unique optimal control is shown.
