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math.AP2026
Hasegawa-Mima equation as limit of a magnetized pressureless Euler-Boltzmann system
Federico Butori, Franco Flandoli, Yassine Tahraoui
We prove that the Hasegawa-Mima equation (HME) is the limit of a magnetized pressureless Euler-Boltzmann system in a special scaling regime. The proof relies on the derivation of a…
math.AP2025
Homogenisation of a Passive Scalar Transported by Locally Supported White Noise
Federico Butori, Avi Mayorcas, Silvia Morlacchi
Stochastic perturbations of transport type are a common and widely accepted way of representing turbulent effects in fluid dynamics models. In many known examples, it even leads to…