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Lagrangian bias in the local bias model
Noemi Frusciante, Ravi K. Sheth
It is often assumed that the halo-patch fluctuation field can be written as a Taylor series in the initial Lagrangian dark matter density fluctuation field. We show that if this La…
The Distribution of Mass in the Orion Dwarf Galaxy
Noemi Frusciante, Paolo Salucci, Daniele Vernieri +2
Dwarf galaxies are good candidates to investigate the nature of Dark Matter, because their kinematics are dominated by this component down to small galactocentric radii. We present…
New Spherically Symmetric Solutions in f(R)-gravity by Noether Symmetries
S. Capozziello, N. Frusciante, D. Vernieri
Spherical symmetry for f(R)-gravity is discussed by searching for Noether symmetries. The method consists in selecting conserved quantities in form of currents that reduce dynamics…
The density profiles of Dark Matter halos in Spiral Galaxies
Gianluca Castignani, Noemi Frusciante, Daniele Vernieri +1
In spiral galaxies, we explain their non-Keplerian rotation curves (RCs) by means of a non-luminous component embedding their stellar-gaseous disks. Understanding the detailed prop…