Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...246..634c&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 246, no. 2, June 1991, p. 634-643.
Astronomy and Astrophysics
Astrophysics
18
Cosmology, Galactic Evolution, Spatial Distribution, Astronomical Models, Fractals, Homogeneity
Scientific paper
A class of fractal cascading models which describe the large-scale galaxy distribution is considered. These fractal cascades are based on appropriate modifications of the beta-model which has been introduced in the study of turbulence. In particular, a family of cascading processes is considered, which generate a scale-dependent fractal behavior and provide a smooth transition from small-scale fractality to large-scale homogeneity. In this context, the notion of dressed fractal dimension is introduced. The physical motivations for this approach are discussed in the framework of both cold-dark and hot-dark matter scenarios for galaxy formation.
Castagnoli Carlo
Provenzale Antonello
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