Paulo Costa

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Declaration I hereby declare that this thesis has not been submitted for a degree to any university Signature: Acknowledgements In the course of this research I often felt I was abusing the idea of interdisciplinarity. I n fact, it felt like a path between two large gardens. These chapters are the report of those clandestine walks. The report makes a(More)
Industry trends aimed at integrating higher levels of circuit functionality have triggered a proliferation of mixed analog-digital systems. Magniied noise coupling through the common chip substrate has made the design and veriication of such systems an increasingly diicult task. In this paper we present a fast eigendecomposition technique that accelerates(More)
RoboCup is no longer just the Soccer World Cup for autonomous robots but has evolved to become a coordinated initiative encompassing four different robotics events: (1) Soccer, (2) Rescue, (3) Junior (focused on education), and (4) a Scientific Symposium. RoboCup-2003 took place from 2 to 11 July 2003 in Padua (Italy); it was colocated with other scientific(More)
Declaration I hereby declare that this thesis has not been submitted, either in the same or different form, to this or any other university for a degree. Acknowledgements I am grateful to my supervisor Hilary Buxton for her constant advice and support throughout the thesis. I particularly thank Des Watson, David Collins, Sabrina Ronen and Martin Leach for(More)
Nowadays, there is a growing concern about the energy consumption of the ICT industry. This fact has given rise to a lot of energy saving research activities, which mainly focus on the hardware side of computational systems. However, it is tempting to suppose that only hardware dissipates power, not software. This paper discusses several software methods,(More)
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