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A simple proof of orientability in colored group field theory
Francesco Caravelli
In this short note we use results from the theory of crystallizations to prove that color in group field theories garantees orientability of the piecewise linear pseudo-manifolds a…
Properties of Quantum Graphity at Low Temperature
Francesco Caravelli, Fotini Markopoulou
We present a mapping of dynamical graphs and, in particular, the graphs used in the Quantum Graphity models for emergent geometry, into an Ising hamiltonian on the line graph of a…
Spinning Loop Black Holes
Francesco Caravelli, Leonardo Modesto
In this paper we construct four Kerr-like spacetimes starting from the loop black hole Schwarzschild solutions (LBH) and applying the Newman-Janis transformation. In previous paper…
Holographic actions from black hole entropy
Francesco Caravelli, Leonardo Modesto
Using the Wald's relation between the Noether charge of diffeomorphisms and the entropy for a generic spacetime possessing a bifurcation surface, we introduce a method to obtain a…