Harprit Singh

collaborators

4 papers

math.AP2026

Renormalisation of Singular SPDEs with Correlated Coefficients

Nicolas Clozeau, Harprit Singh

We show local well-posedness of the g-PAM and the $I ¨ _{2}^{K + 1}$ -equation for $K \geq 1$ on the two-dimensional torus when the coefficient field is random and correlated to the drivin…

math.DG2025

Rough geometric integration

Ajay Chandra, Harprit Singh

We introduce a notion of distributional $k$ -forms on $d$ -dimensional manifolds which can be integrated against suitably regular $k$ -submanifolds. Our approach combines ideas from W…

math.AP2025

Renormalised Models for Variable Coefficient Singular SPDEs

Lucas Broux, Harprit Singh, Rhys Steele

In this work we prove convergence of renormalised models in the framework of regularity structures [Hai14] for a wide class of variable coefficient singular SPDEs in their full sub…

math.AP2025

Canonical solutions to non-translation invariant singular SPDEs

Harprit Singh

We exhibit a canonical, finite dimensional solution family to certain singular SPDEs of the form \begin{equation} \left(\partial_t- \sum_{i,j=1}^d a_{i,j}(x,t) \partial_i \partial_…