| Abstract: |
| We present new techniques that simplify the combinatorics of Feynman diagrams when renormalising singular SPDEs and computing expectations under their invariant measures. The techniques make use of algebraic methods, in particular a so-called Wick map. We illustrate these methods in the case of the $\Phi^4_d$ model for any, possibly non-integer dimension strictly less than $4$. Reference: https://arxiv.org/abs/2507.03820 |
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