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Multihorizon regular black holes
Stefano Ansoldi, Lorenzo Sindoni
We discuss a general procedure to generate a class of (everywhere regular) solutions of Einstein equations that can have an (a-priori fixed) arbitrary number of horizons. We then r…
Unified Dark Energy-Dark Matter model with Inverse Quintessence
Stefano Ansoldi, Eduardo I. Guendelman
We consider a model where both dark energy and dark matter originate from the coupling of a scalar field with a non-conventional kinetic term to, both, a metric measure and a non-m…
Emitting electrons and source activity in Markarian 501
Nijil Mankuzhiyil, Stefano Ansoldi, Massimo Persic +3
We study the variation of the broad-band spectral energy distribution (SED) of the BL Lac object Mrk 501 as a function of source activity, from quiescent to flaring. Through chi-sq…
A statistical approach to the study of AGN emission versus activity (with the detailed analysis of Mrk421)
Stefano Ansoldi
We discuss the theory and implementation of statistically rigorous fits to synchrotron self Compton models for datasets obtained from multi-wavelength observations of active galact…