Is the universe fractal or homogeneous on large scales?

The debate about the possible smoothness of the Universe on large scales as opposed to an unbounded fractal hierarchy has been the subject of increasing interest in recent years. The controversy arises as a consequence of different statistical analyses performed on surveys of galaxy redshifts. I review the observational evidence supporting the idea that a gradual transition occurs in the galaxy distribution: from a fractal regime at small scales to large scale homogeneity.

 

Fecha: 
18/04/2001 - 14:00
Conferenciante: 
Vicent Martínez
Filiación: 
Observatori Astronòmic, Universitat de València


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