3 papers
math-ph2020
Functor of Points and Height Functions for Noncommutative Arakelov Geometry
Alicia Lima, Matilde Marcolli
We propose a notion of functor of points for noncommutative spaces, valued in categories of bimodules, and endowed with an action functional determined by a notion of hermitian str…
gr-qc2018
Wide nutation: binary black-hole spins repeatedly oscillating from full alignment to full anti-alignment
Davide Gerosa, Alicia Lima, Emanuele Berti +3
Within the framework of 2PN black-hole binary spin precession, we explore configurations where one of the two spins oscillates from being completely aligned with the orbital angula…
gr-qc2018
Maximally Rotating Supermassive Stars at the Onset of Collapse: The Perturbative Effects of Gas Pressure, Magnetic Fields, Dark Matter and Dark Energy
Satya P. Butler, Alicia R. Lima, Thomas W. Baumgarte +1
The discovery of quasars at increasingly large cosmological redshifts may favor "direct collapse" as the most promising evolutionary route to the formation of supermassive black ho…