Non-uniqueness in law of three-dimensional magnetohydrodynamics system forced by random noise

K Yamazaki - Potential Analysis, 2024 - Springer
We prove non-uniqueness in law of the three-dimensional magnetohydrodynamics system
that is forced by random noise of an additive and a linear multiplicative type and has viscous …

Surface quasi-geostrophic equations forced by random noise: prescribed energy and non-unique Markov selections

E Walker, K Yamazaki - arXiv preprint arXiv:2407.00920, 2024 - arxiv.org
We consider the momentum formulation of the two-dimensional surface quasi-geostrophic
equations forced by random noise, of both additive and linear multiplicative types. For any …

Non-unique ergodicity for the 2D stochastic Navier-Stokes equations with derivative of space-time white noise

H Lü, X Zhu - Journal of Differential Equations, 2025 - Elsevier
We prove existence of infinitely many stationary solutions as well as ergodic stationary
solutions for the stochastic Navier-Stokes equations on T 2 d u+ div (u⊗ u) d t+∇ pdt= Δ ud …

A proof of Onsager's Conjecture for the SQG equation

SZ Looi, P Isett - arXiv preprint arXiv:2407.02578, 2024 - arxiv.org
We construct solutions to the SQG equation that fail to conserve the Hamiltonian while
having the maximal allowable regularity for this property to hold. This result solves the …

On convex integration solutions to the surface quasi-geostrophic equation driven by generic additive noise

F Bechtold, T Lange, J Wichmann - Electronic Journal of …, 2024 - projecteuclid.org
We study the surface quasi-geostrophic equation driven by a generic additive noise process
W. By means of convex integration techniques, we establish existence of weak solutions …

Stochastic magnetohydrodynamics system: cross and magnetic helicity in ideal case; non-uniqueness up to Lions' exponents from prescribed initial data

K Yamazaki - arXiv preprint arXiv:2410.02196, 2024 - arxiv.org
We consider the three-dimensional magnetohydrodynamics system forced by random noise.
First, for smooth solutions in the ideal case, the cross helicity remains invariant while the …

Non-uniqueness in law of the surface quasi-geostrophic equations: the case of linear multiplicative noise

K Yamazaki - arXiv preprint arXiv:2312.15558, 2023 - arxiv.org
The momentum formulation of the surface quasi-geostrophic equations consists of two
nonlinear terms, besides the pressure term, one of which cannot be written in a divergence …

Probabilistic Approaches to The Energy Equality in Forced Surface Quasi-Geostrophic Equations

L Wang, Z Wu - arXiv preprint arXiv:2411.04500, 2024 - arxiv.org
We explore probabilistic approaches to the deterministic energy equality for the forced
Surface Quasi-Geostrophic (SQG) equation on a torus. First, we prove the zero-noise …

[PDF][PDF] Energy solutions of singular SPDEs

N Perkowski - 2024 - mi.fu-berlin.de
Energy solutions are a probabilistic theory for singular SPDEs with tractable (quasi-)
invariant measures. The prototypical example is the stochastic Burgers/KPZ equation with its …