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This is related to Bruned, Hairer, and Zambotti - Algebraic renormalisation 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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  • $\begingroup$ Not sure if I understand what you are asking. The $g$ can be any functional . It is example of functional operating under the model of regular structure, not related to any PDE. $\endgroup$
    – Creator
    Commented Mar 24, 2019 at 19:35

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