This is related to the paper in the link: https://arxiv.org/abs/1610.08468Bruned, Hairer, and Zambotti - Algebraic renormalisation of regularity structures titled "Algebraic normalisation of regularity structures". In the method of re-normalization the functional $g$ shown in page 6 plays a major role. However, in the paper there is no explicit expression of $g$ shown (as an example for particular PDE). Is there any reference where I can find such example? Any comment or suggestion?
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