CONTENTS
Foreword p. VII
Giuseppe Marmo, Claudio Rubano and Paolo Scudellaro, Remembering Ruggiero de Ritis p.1
Donato Bini and Robert T. Jantzen, Gravitomagnetic clock effects in black hole spacetimes p.17
Thomas Buchert and Mauro Carfora, Matter seen at many scales and the geometry of averaging
in relativistic cosmology p.29
Salvatore Capozziello, The problem of cosmological constant in extended theories of gravity p.45
Fernando de Felice, On gravitation acting as an electromagnetic field p.71
Marek Demianski, Can we observe the shape of of the Universe? p.80
Martin Dominik, New projects for pixel-lensing: observation of globular clusters and
anomalies in M31 events p.87
Irina Dymnikova, Self gravitating spherically symmetric vacuum p.95
Giampiero Esposito and Cosimo Stornaiolo, The role of elliptic operators in the initial-value
problem for general relativity p.130
Lorenzo Fatibene, Marco Ferraris, Mauro Francaviglia and Marco Raiteri Entropy in General
Relativity p.139
Friedrich W. Hehl and Yuri N. Obukhov, On the energy momentum current of the
electromagnetic field in a pre-metric axiomatic approach p.156
Philippe Jetzer, Microlensing and dark matter in the Milky Way p.175
Alma A. Marino, Quintessence and ^-decay versus Noether symmetry p.183
Ester Piedipalumbo and Marek Demianski, The Dyer-Roeder equation in a universe
with a nonzero cosmological constant p.198
Giovanni Platania, Newtonian Cosmology p.217
Marco Roncadelli, Baryonic dark matter at the beginning of the New Millennium p.224
Claudio Rubano, Nöther symmetries in cosmology: past and future p.235
Mikhail V. Sazhin, Modern status of the CMBR anisotropy p.253
Mauro Sereno and Alma Marino, On cosmological parameters through gravitational
lensing in clumpy universes p.267
List of Contributors p.285