The quasi-geostrophic equations are a cornerstone in the mathematical modelling of large-scale geophysical flows, where the balance between pressure gradients and the Coriolis effect is paramount.
In this paper, we study the 2D stochastic quasi-geostrophic equation on 𝕋2 for general parameter α ∈ (0, 1) and multiplicative noise. We prove the existence of weak solutions and Markov selections ...
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