Titlebook: Recent Developments in General Relativity,Genoa 2000; R. Cianci,R. Collina,P. Fré Conference proceedings 2002 Springer-Verlag Italia 2002

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VIRGO: An Interferometric Detector of Gravitational Wavesiple of the detector is outlined in Sect. 1. Then the nature of the gravitational waves (Sect. 2) and the amplitude of the signals expected by astrophysical sources (Sect. 3) is discussed. The design and the techniques used to increase the sensitivity of VIRGO are illustrated in Sect. 4 while the st

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Huygens’ Principle and MAPLE’s NPspinor Packagefor the non-self- adjoint scalar wave equation on a Petrov type D spacetime. A decom-position of the problem is given according to the alignment of the principal spinors of the Maxwell and Weyl spinors. The first proposition states that the validity of Huygens’ principle implies a certain product in

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allergen

Anti-de Sitter Quantum Field Theory and the AdS-CFT Correspondencethe .-point correlation functions. We then discuss the application of this formalism to the construction of conformai field theories that are naturally obtained on the covering of the cone asymptotic to the AdS manifold, and that satisfy the axioms of Luscher an Mack.

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seruting

The r-modes Oscillations and Instability: Surprises from Magnetized Neutron Starsaled the surprising existence of this instability and, perhaps even more surprisingly, have shown that such instability has a rather large parameter space in which it can survive against the damping produced by shear and bulk viscosity, as well as against the interaction with a solid star crust. The