Global existence and non-uniqueness of 3D Euler equations perturbed by transport noise

M Hofmanová, T Lange, U Pappalettera - Probability Theory and Related …, 2024 - Springer
We construct Hölder continuous, global-in-time probabilistically strong solutions to 3D Euler
equations perturbed by Stratonovich transport noise. Kinetic energy of the solutions can be …

Global existence and non-uniqueness for 3D Navier–Stokes equations with space-time white noise

M Hofmanová, R Zhu, X Zhu - Archive for Rational Mechanics and …, 2023 - Springer
We establish that global-in-time existence and non-uniqueness of probabilistically strong
solutions to the three dimensional Navier–Stokes system driven by space-time white noise …

Global-in-time probabilistically strong and Markov solutions to stochastic 3D Navier–Stokes equations: existence and nonuniqueness

M Hofmanová, R Zhu, X Zhu - The Annals of probability, 2023 - projecteuclid.org
We are concerned with the three-dimensional incompressible Navier–Stokes equations
driven by an additive stochastic forcing of trace class. First, for every divergence free initial …

Non-unique ergodicity for deterministic and stochastic 3D Navier--Stokes and Euler equations

M Hofmanová, R Zhu, X Zhu - arXiv preprint arXiv:2208.08290, 2022 - arxiv.org
We establish existence of infinitely many stationary solutions as well as ergodic stationary
solutions to the three dimensional Navier--Stokes and Euler equations in the deterministic …

A class of supercritical/critical singular stochastic PDEs: existence, non-uniqueness, non-Gaussianity, non-unique ergodicity

M Hofmanová, R Zhu, X Zhu - Journal of Functional Analysis, 2023 - Elsevier
We study the surface quasi-geostrophic equation with an irregular spatial perturbation∂ t θ+
u⋅∇ θ=− ν (− Δ) γ/2 θ+ ζ, u=∇⊥(− Δ)− 1 θ, on [0,∞)× T 2, with ν⩾ 0, γ∈[0, 3/2) and ζ∈ …

Sharp Nonuniqueness of Solutions to Stochastic Navier–Stokes Equations

W Chen, Z Dong, X Zhu - SIAM Journal on Mathematical Analysis, 2024 - SIAM
In this paper we establish a sharp nonuniqueness result for stochastic-dimensional ()
incompressible Navier–Stokes equations. First, for every divergence-free initial condition in …

Non-uniqueness of weak solutions to 3D magnetohydrodynamic equations

Y Li, Z Zeng, D Zhang - Journal de Mathématiques Pures et Appliquées, 2022 - Elsevier
We prove the non-uniqueness of weak solutions to 3D magnetohydrodynamic (MHD for
short) equations. The constructed weak solutions do not conserve the magnetic helicity and …

Non-uniqueness in law of stochastic 3D Navier--Stokes equations

M Hofmanová, R Zhu, X Zhu - arXiv preprint arXiv:1912.11841, 2019 - arxiv.org
We consider the stochastic Navier--Stokes equations in three dimensions and prove that the
law of analytically weak solutions is not unique. In particular, we focus on three examples of …

Global-in-time probabilistically strong solutions to stochastic power-law equations: existence and non-uniqueness

H Lü, X Zhu - Stochastic Processes and their Applications, 2023 - Elsevier
We are concerned with the power-law fluids driven by an additive stochastic forcing in
dimension d⩾ 3. For the power index r∈(1, 3 d+ 2 d+ 2), we establish existence of infinitely …

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 …