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math.SP2024
The essential self-adjointness of the wave operator on radiative spacetimes
Qiuye Jia, Mikhail Molodyk, Ethan Sussman
We prove the essential self-adjointness of the d'Alembertian , allowing a larger class of spacetimes than previously considered, including those that arise from perturbi…
hep-th2024
An analogue of non-interacting quantum field theory in Riemannian signature
Mikhail Molodyk, András Vasy
In this paper, we define a model of non-interacting quantum fields satisfying on a Riemannian scattering space with two boundary components, i.e. a manifold…