2 papers
astro-ph.CO2026
Microscopic primordial black holes as macroscopic dark matter from large extra dimensions
Giuseppe Filiberto Vitale, Gaetano Lambiase, Tanmay Kumar Poddar +1
We study the coupled cosmological evolution of primordial black holes (PBHs) and radiation in the Arkani-Hamed-Dimopoulos-Dvali (ADD) framework with large extra dimensions and…
gr-qc2024
Homogeneous projective coordinates for the Bondi-Metzner-Sachs group
Giampiero Esposito, Giuseppe Filiberto Vitale
This paper studies the Bondi-Metzner-Sachs group in homogeneous projective coordinates, because it is then possible to write all transformations of such a group in a manifestly lin…