The compressive sensing (CS) framework aims to ease the burden on analog-to-digital converters (ADCs) by exploiting inherent structure in natural and man-made signals. It has been demon-strated that structured signals can be acquired with just a small number of linear measurements, on the order

de nationalité suisse et originaire de Zurich (ZH) et Lucerne (LU) acceptée sur proposition du jury:

eingereicht an der

belowground functioning of tropical biomes

First, I would like to thank to Dimka Karastoyanova and Mariano Cilia for all the fruitful discussions, their guidance and support through the course of this project. Thanks also to Prof. Alejandro Buchmann who sponsored my stay at Technische Universität Darmstadt during the spring of 2004. The special thanks go to my advisor, Mariano Cilia, who has made all this possible. Finally, I’d like to thank to my family for all these years of support.

2010 to my wife, Joyce, and my family...- Résumé-

by the interaction of the ACC with major topographic features. It is contended that the characteristic thermohaline structure of the Southern Ocean, consisting of multiple upper‐ocean thermohaline fronts separated and underlaid by regions of homogenized properties, is largely a result of the widespread suppression

methods for phase retrieval

montrons que la transition de blocage et la transition vitreuse sont deux phénomènes distincts. Nous avons pour cela construit un modèle de sphères dures sur réseau de Bethe où ces deux transitions cohabitent. Nous introduisons également un modèle de verre structural avec désordre gelé qui possède un

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