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Anisotropic Inflation from Extra Dimensions
Marco Litterio, Leszek M. Sokołowski, Zdzisław A. Golda +2
Vacuum multidimensional cosmological models with internal spaces being compact -dimensional Lie group manifolds are considered. Products of 3-spheres and manifold (a nov…
Power spectrum for fractal distributions
F. Sylos Labini, L. Amendola
We study the behaviour of the power spectrum (PS) in the case of fractal structures. We show that in this case the main observational features of the PS, the large scale flattening…
Non-Gaussian Likelihood Function
Luca Amendola
We generalize the maximum likelihood method to non-Gaussian distribution functions by means of the multivariate Edgeworth expansion. We stress the potential interest of this techni…
The power spectrum in a strongly inhomogeneous Universe
Francesco Sylos Labini, Luca Amendola
A crucial issue in cosmology is the determination of the fluctuation power spectrum.The standard picture of the matter clustering, the Cold Dark Matter model (and its variant), ass…