A. Cosmology and high redshift
My main area of research is the study of the formation and
evolution of galaxies, e.g. through detailed observations of the
scaling relations of early-type galaxies, in particular the
Fundamental Plane, at the highest possible redshifts (recent papers
on my web site
"http://www.arcetri.astro.it/~sperello" ).
B. Local Universe
I have a special interest in the study of the various phases
of the interstellar medium of local early-type galaxies, for
different galaxy masses and environment, and as a tracer of their
evolution (recent papers
on my web site
"http://www.arcetri.astro.it/~sperello" ).
C. AGN
I have investigated the AGN unification, through observations
of anisotropic ionization and scattering in high redshift radio
galaxies, and in order to understand the relationship between galaxy
activity and evolution (recent papers
on my web site
"http://www.arcetri.astro.it/~sperello" ).