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- Freddy Odille, Nicolae Cîndea, Damien Mandry, Cedric Pasquier, Pierre-André Vuissoz, Jacques Felblinger
- Magnetic resonance in medicine
- 2008

This article describes a general framework for multiple coil MRI reconstruction in the presence of elastic physiological motion. On the assumption that motion is known or can be predicted, it is shown that the reconstruction problem is equivalent to solving an integral equation--known in the literature as a Fredholm equation of the first kind--with a… (More)

- Nicolae Cîndea, Sorin Micu, Marius Tucsnak
- SIAM J. Control and Optimization
- 2011

We propose a new method for the approximation of exact controls of a second order infinite dimensional system with bounded input operator. The algorithm combines Russell’s “stabilizability implies controllability” principle with the Galerkin’s method. The main new feature brought in by this work consists in giving precise error estimates. In order to test… (More)

- Nicolae Cîndea, Freddy Odille, Gilles Bosser, Jacques Felblinger, Pierre-André Vuissoz
- Magnetic resonance in medicine
- 2010

This paper describes a rigorous framework for reconstructing MR images of the heart, acquired continuously over the cardiac and respiratory cycle. The framework generalizes existing techniques, commonly referred to as retrospective gating, and is based on the properties of reproducing kernel Hilbert spaces. The reconstruction problem is formulated as a… (More)

- Nicolae Cîndea, Marius Tucsnak
- MCSS
- 2009

We study the exact controllability of a nonlinear plate equation by the means of a control which acts on an internal region of the plate. The main result asserts that this system is locally exactly controllable if the associated linear Euler-Bernoulli system is exactly controllable. In particular, for rectangular domains we obtain that the Berger system is… (More)

- Carlos Castro, Nicolae Cîndea, Arnaud Münch
- SIAM J. Control and Optimization
- 2014

- VIBRATING SYSTEMS, Nicolae Cîndea, Sorin Micu, Marius Tucsnak
- 2011

We propose a new method for the approximation of exact controls of a second order infinite dimensional system with bounded input operator. The algorithm combines Russell’s “stabilizability implies controllability” principle with the Galerkin method. The main new feature of this work consists of giving precise error estimates. In order to test the efficiency… (More)

In this paper we study, from a control theoretic view point, a 1D model of fluid-particle interaction. More precisely, we consider a point mass moving in a pipe filled with a fluid. The fluid is modelled by the viscous Burgers equation whereas the point mass obeys Newton’s second law. The control variable is a force acting on the mass point. The main result… (More)

- Nicolae Cîndea, Sorin Micu, Ionel Roventa
- SIAM J. Control and Optimization
- 2017

- Nicolae Cîndea, Sorin Micu, Jardel Morais Pereira
- Numerische Mathematik
- 2013

This paper studies the numerical approximation of periodic solutions for an exponentially stable linear hyperbolic equation in the presence of a periodic external force f . These approximations are obtained by combining a fixed point algorithm with the Galerkin method. It is known that the energy of the usual discrete models does not decay uniformly with… (More)

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