Schedule Feb 01, 2022
Comments on summing over Bordisms in TQFT
Anindya Banerjee, Rutgers

Recent works in quantum gravity, motivated by the factorization problem and baby universes, have considered sums over bordisms with fixed boundaries in topological quantum field theory. I will discuss this construction, its scope and its limitations, and describe the total amplitude in this class of theories in terms of a curious splitting formula.

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