Weak stability and closure in turbulence

C De Lellis, L Székelyhidi Jr - … Transactions of the …, 2022 - royalsocietypublishing.org
We survey recent results in the mathematical literature on the equations of incompressible
fluid dynamics, highlighting common themes and how they might contribute to the …

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 …

-Critical Nonuniqueness for the 2D Navier-Stokes Equations

A Cheskidov, X Luo - Annals of PDE, 2023 - Springer
In this paper, we consider the 2D incompressible Navier-Stokes equations on the torus. It is
well known that for any L 2 divergence-free initial data, there exists a global smooth solution …

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 …

Convex integration constructions in hydrodynamics

T Buckmaster, V Vicol - Bulletin of the American Mathematical Society, 2021 - ams.org
We review recent developments in the field of mathematical fluid dynamics which utilize
techniques that go under the umbrella name convex integration. In the hydrodynamical …

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-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 the existence of infinitely many stationary solutions, as well as ergodic
stationary solutions, to the three dimensional Navier--Stokes and Euler equations in both …

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∈ …

Global existence and non-uniqueness for the Cauchy problem associated to 3D Navier–Stokes equations perturbed by transport noise

U Pappalettera - Stochastics and Partial Differential Equations: Analysis …, 2024 - Springer
We show global existence and non-uniqueness of probabilistically strong, analytically weak
solutions of the three-dimensional Navier–Stokes equations perturbed by Stratonovich …

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 …