Renormalization of Generalized KPZ equation
2017
We use Renormalization Group to prove local well posedness for a generalized KPZ equation introduced by H. Spohn in the context of stochastic hydrodynamics. The equation requires the addition of counter terms diverging with a cutoff \(\epsilon \) as \(\epsilon ^{-1}\) and \(\log \epsilon ^{-1}\).
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