Comments on Summing over Bordisms in TQFT
High Energy Physics - Theory
2022-10-19 v2
Abstract
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 (TQFT). We discuss this construction and observe a curious splitting formula for the total amplitude.
Cite
@article{arxiv.2201.00903,
title = {Comments on Summing over Bordisms in TQFT},
author = {Anindya Banerjee and Gregory W. Moore},
journal= {arXiv preprint arXiv:2201.00903},
year = {2022}
}
Comments
48 pages, 5 figures