2 papers
gr-qc2019
Black holes and singularities in causal set gravity
Yu Asato
A precise definition of a black hole has long been absent in causal set theory. I first show that the local finiteness of the theory cannot be interpreted as a complete discretizat…
gr-qc2015
A note on cutting spin networks and the area spectrum in loop quantum gravity
Yu Asato
In this paper, I show that if a spin network is cut by a surface separating space-time into two regions, the sum of spins of edges crossing the surface must be an integer. This giv…