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math-ph2012★ 10 cited
Homological perturbation theory for nonperturbative integrals
Theo Johnson-Freyd
We use the homological perturbation lemma to produce explicit formulas computing the class in the twisted de Rham complex represented by an arbitrary polynomial. This is a non-asym…
math-ph2012
How to derive Feynman diagrams for finite-dimensional integrals directly from the BV formalism
Owen Gwilliam, Theo Johnson-Freyd
The Batalin-Vilkovisky formalism in quantum field theory was originally invented to address the difficult problem of finding diagrammatic descriptions of oscillating integrals with…