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hep-th2023
On the algebraic meaning of quantum gravity for closed Universes
Cesar Gomez
Assuming the von Neumann algebra associated with a generic de Sitter observer is properly infinite (type III) we use Connes cocycle to identify the unique ( up to unitary equivalen…
hep-th2023
Entanglement, Observers and Cosmology: a view from von Neumann Algebras
C. Gomez
Infinite entanglement fluctuations appear when a quantum field theory on a causally complete domain of space-time is a type factor. In the weak gravity limit this fac…