  A novel fractal analysis of the cosmic web structure is carried out,
employing the Sloan Digital Sky Survey, data release 7. We consider the
large-scale stellar mass distribution, unlike other analyses, and determine its
multifractal geometry, which is compared with the geometry of the cosmic web
generated by cosmological N-body simulations. We find a good concordance, the
common features being: (i) a minimum singularity strength equal to one, which
corresponds to the edge of diverging gravitational energy and differs from the
adhesion model prediction; (ii) a "supercluster set" of relatively high
dimension where the mass concentrates; and (iii) a non-lacunar structure, like
the one generated by the adhesion model.
