603 citations · 6.9k across the 129 of their papers we have counts for
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Nonlocality in string theory
Gianluca Calcagni, Leonardo Modesto
We discuss an aspect of string theory which has been tackled from many different perspectives, but incompletely: the role of nonlocality in the theory and its relation to the geome…
Super-renormalizable or finite completion of the Starobinsky theory
Fabio Briscese, Leonardo Modesto, Shinji Tsujikawa
The recent Planck data of Cosmic Microwave Background (CMB) temperature anisotropies support the Starobinsky theory in which the quadratic Ricci scalar drives cosmic inflation. We…
Non-local massive gravity
Leonardo Modesto, Shinji Tsujikawa
We present a general covariant action for massive gravity merging together a class of "non-polynomial" and super-renormalizable or finite theories of gravity with the non-local the…
Super-accelerating bouncing cosmology in asymptotically-free non-local gravity
Gianluca Calcagni, Leonardo Modesto, Piero Nicolini
Recently, evidence has been collected that a class of gravitational theories with certain non-local operators is renormalizable. We consider one such model which, at the linear per…
Terminating black holes in asymptotically free quantum gravity
Cosimo Bambi, Daniele Malafarina, Leonardo Modesto
We study the homogeneous gravitational collapse of a spherical cloud of matter in a super-renormalizable and asymptotically free theory of gravity. We find a picture that differs s…
Finite Quantum Gravity
Leonardo Modesto
We hereby present a class of multidimensional higher derivative theories of gravity that realizes an ultraviolet completion of Einstein general relativity. This class is marked by…