The Kondo effect in confined nanostructures (quantum dots) provides a testbed for a variety of physical behaviors involving strong electronic correlations. Here some extensions of the Kondo effect beyond the standard single-impurity Anderson model are reviewed. Apart from their fundamental interest, these issues may also open new roads for lowtemperature spintronics. theoretical condensed matter physics ranged from small polaron and charge-density-wave physics, to vortex matter in layered

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... onductors. His current research interests involves quantum transport in nanostructures in presence of strong correlations, of superconductivity as well as "quantum spintronics", e.g. spin-dependent transport in confined nanostructures. Serge Florens obtained his Ph.D (2003) in theoretical physics at the Ecole Normale Superieure/Université Pierre et Marie-Curie, followed by a postdoctoral stay at the University of Karlsruhe, and is since 2006 a CNRS Junior Scientist at the Institut Néel, CNRS Grenoble. His recent interests in theoretical nanophysics cover interaction effects in quantum dots, spectroscopies of disordered quantum Hall devices, and modelization of decoherence in quantum systems. Mireille Lavagna is Senior Scientist ("directrice de recherches") at CNRS, working at INAC-SPSMS, CEA Grenoble. She obtained her PhD in 1983 from the University Joseph Fourier, Grenoble. Her research interests are in theoretical condensed matter physics, strong electron-electron interactions in materials such as heavy fermion systems and high-temperature superconductors. She has been more recently interested in the physics of electron correlations in nanoelectronic devices such as quantum dots. Raphaël Van Roermund obtained his M. Sc. degree at the Ecole Polytechnique of the Université Libre of Brussels in 2007, and a M. Sc. degree in particle physics at the University Joseph Fourier, Grenoble the same year. He then started a PhD in theoretical condensed matter physics at INAC-SPSMS, CEA Grenoble under the direction of Mireille Lavagna. His current study is focused on the Kondo effect in quantum dots.