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We show that our anti-hierarchical baryon collapse scenario (Granato et al. 2004) for the joint evolution of black holes and host galaxies predicts quasar luminosity functions at redshifts 1.5 z 6 and local demographic properties in nice agreement with observations. In our model the quasar activity marks and originates the transition between an earlier(More)
In the current ΛCDM cosmological scenario, N-body simulations provide us with a Universal mass profile, and consequently a Universal equilibrium circular velocity of the virialized objects, as galaxies. In this paper we obtain, by combining kinematical data of their inner regions with global observational properties, the Universal Rotation Curve (URC) of(More)
We propose and test a scenario for the assembly and evolution of luminous matter in galaxies which substantially differs from that adopted by other semianalytic models. As for the dark matter (DM), we follow the detailed evolution of halos within the canonical ΛCDM cosmology using standard Montecarlo methods. However, when overlaying prescriptions for(More)
Motivated by the recent observational and theoretical evidence that long Gamma-Ray Bursts (GRBs) are likely associated with low metallicity, rapidly rotating massive stars, we examine the cosmological star formation rate (SFR) below a critical metallicity Z crit ∼ Z ⊙ /10 − Z ⊙ /5, to estimate the event rate of high-redshift long GRB progenitors. To this(More)
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We show that the ABC scenario we proposed for the co-evolution of spheroids and QSOs predicts accretion rates and masses of supermassive black holes in sub-mm galaxies in keeping with recent X-ray determinations. These masses are well below the local values, and those predicted by alternative models. The observed column densities may be mostly due to ISM in(More)
In the standard galaxy formation scenario plasma clouds with a high thermal energy content must exist at high redshifts since the proto-galactic gas is shock heated to the virial temperature, and extensive cooling, leading to efficient star formation, must await the collapse of massive halos (as indicated by the massive body of evidence, referred to as(More)
The authors have examined through the electromygraphic-kinesiographic system provided, the mandibolar movements and the electric activity of the masseter and temporal muscles of group of 25 subjects, aged 22-25 (15 women and 10 men), with complete natural dentition, whose history and clinical examination of cranio-mandibular disorders were negative. The aim(More)
We present the analysis of the X-ray brightness and temperature profiles for six clusters belonging to both the Cool Core and Non Cool Core classes, in terms of the Supermodel (SM) developed by Cavaliere, Lapi & Fusco-Femiano (2009). Based on the gravitational wells set by the dark matter halos, the SM straightforwardly expresses the equilibrium of the(More)
We present a detailed study of the structural properties of four gravitationally lensed disk galaxies at z = 1. Modelling the rotation curves on sub-kpc scales we derive the values for the disk mass, the reference dark matter density and core radius, and the angular momentum per unit mass. The derived models suggest that the rotation curve profile and(More)