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math.PR2025
Lecture notes on the flow equation approach to singular stochastic PDEs
Paweł Duch
The flow equation approach is a robust framework applicable to a broad class of singular SPDEs, including those with fractional Laplacians, throughout the entire subcritical regime…
math.PR2025
Ergodicity of infinite volume at high temperature
Paweł Duch, Martin Hairer, Jaeyun Yi +1
We consider the infinite volume dynamic and show that it is globally well-posed in a suitable weighted Besov space of distributions. At high temperatures / small coupling,…