Derives beta functions for couplings in interacting bosonic and fermionic fields on curved spacetimes via local potential approximation and proves local existence and uniqueness of the resulting flow equations.
Duch, ``Lecture notes on flow equation approach to singular stochastic PDEs" , arXiv preprint (2025), [arXiv:2511.07120 [math.PR]]
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A perturbative approach to the Wetterich equation for Bosonic and Fermionic interacting fields
Derives beta functions for couplings in interacting bosonic and fermionic fields on curved spacetimes via local potential approximation and proves local existence and uniqueness of the resulting flow equations.