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hep-th2023
The Timelike Tube Theorem in Curved Spacetime
Alexander Strohmaier, Edward Witten
The timelike tube theorem asserts that in quantum field theory without gravity, the algebra of observables in an open set U is the same as the corresponding algebra of observables…
hep-th1999★ 17 cited
Towards a Nonperturbative Covariant Regularization in 4D Quantum Field Theory
H. Grosse, A. Strohmaier
We give a noncommutative version of the complex projective space CP^2 and show that scalar QFT on this space is free of UV divergencies. The tools necessary to investigate Quantum…