36 research outputs found

    The acceleration of the universe and the physics behind it

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    Using a general classification of dark enegy models in four classes, we discuss the complementarity of cosmological observations to tackle down the physics beyond the acceleration of our universe. We discuss the tests distinguishing the four classes and then focus on the dynamics of the perturbations in the Newtonian regime. We also exhibit explicitely models that have identical predictions for a subset of observations.Comment: 18 pages, 18 figure

    Operazioni straordinarie e patrimonio netto nel bilancio redatto secondo i principi contabili internazionali

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    Problematiche inerenti alla applicazione della normativa civilistica in materia di patrimonio netto formato a seguito di operazioni straordinarie in presenza di bilanci redatti secondo i principi contabili internazionali Ias/Ifrs
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