Large field problem in coercive singular PDEs

Ilya Chevyrev, Massimiliano Gubinelli

We derive a priori estimates for singular differential equations of the form \[ \mathcal{L} ϕ= P(ϕ,\nablaϕ) + f(ϕ,\nablaϕ)ξ\] where $P$ is a polynomial, $f$ is a sufficiently well-…