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gr-qc2026
Acausal exact vacuum solutions in nonlocal gravity
Zhe Zhao, Leonardo Modesto, Cosimo Bambi
Nonlocal gravity is a promising super-renormalizable or finite quantum gravity theory consistent with unitarity. In this paper, we focus on the classical equations of motion and ex…
hep-th2026
Eikonal, nonlocality and regular black holes
Mariano Cadoni, Lorenzo Herres, Leonardo Modesto +2
We investigate the leading gravitational eikonal in nonlocal dimensional theories of gravity. We analyze the simplest cases of massless and massive scalar scatt…
gr-qc2026
Ultraviolet completion of the inflationary paradigm
Leonardo Modesto, Lorenzo Orlando
After an exhaustive introduction highlighting the strengths and weaknesses of the non-local models proposed so far as ultraviolet completions of the Starobinsky theory, we propose…