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gr-qc2022
Operational verification of the existence of a spacetime manifold
Nikola Paunkovic, Marko Vojinovic
We argue that there exists an operational way to establish the observability of the notions of space and time. Specifically, we propose a theory-independent protocol for a gedanken…
hep-th2022★ 9 cited
Topological invariant of 4-manifolds based on a 3-group
Tijana Radenkovic, Marko Vojinovic
We study a generalization of a 4-dimensional BF-theory in the context of higher gauge theory. We construct a triangulation independent topological state sum Z, based on the classic…