Delayed blow-up and enhanced diffusion by transport noise for systems of reaction–diffusion equations

A Agresti - Stochastics and Partial Differential Equations: Analysis …, 2024 - Springer
This paper is concerned with the problem of regularization by noise of systems of reaction–
diffusion equations with mass control. It is known that strong solutions to such systems of …

The critical variational setting for stochastic evolution equations

A Agresti, M Veraar - Probability Theory and Related Fields, 2024 - Springer
In this paper we introduce the critical variational setting for parabolic stochastic evolution
equations of quasi-or semi-linear type. Our results improve many of the abstract results in …

Nonlinear parabolic stochastic evolution equations in critical spaces part II: Blow-up criteria and instantaneous regularization

A Agresti, M Veraar - Journal of Evolution Equations, 2022 - Springer
This paper is a continuation of Part I of this project, where we developed a new local well-
posedness theory for nonlinear stochastic PDEs with Gaussian noise. In the current Part II …

[HTML][HTML] Reaction-diffusion equations with transport noise and critical superlinear diffusion: local well-posedness and positivity

A Agresti, M Veraar - Journal of Differential Equations, 2023 - Elsevier
In this paper we consider a class of stochastic reaction-diffusion equations. We provide local
well-posedness, regularity, blow-up criteria and positivity of solutions. The key novelties of …

Nonlinear parabolic stochastic evolution equations in critical spaces Part I. Stochastic maximal regularity and local existence

A Agresti, M Veraar - Nonlinearity, 2022 - iopscience.iop.org
In this paper we develop a new approach to nonlinear stochastic partial differential
equations with Gaussian noise. Our aim is to provide an abstract framework which is …

Stochastic Navier–Stokes equations for turbulent flows in critical spaces

A Agresti, M Veraar - Communications in Mathematical Physics, 2024 - Springer
In this paper we study the stochastic Navier–Stokes equations on the d-dimensional torus
with transport noise, which arise in the study of turbulent flows. Under very weak …

Reaction-diffusion equations with transport noise and critical superlinear diffusion: Global well-posedness of weakly dissipative systems

A Agresti, M Veraar - SIAM Journal on Mathematical Analysis, 2024 - SIAM
In this paper, we investigate the global well-posedness of reaction-diffusion systems with
transport noise on the-dimensional torus. We show new global well-posedness results for a …

On anomalous dissipation induced by transport noise

A Agresti - arXiv preprint arXiv:2405.03525, 2024 - arxiv.org
In this paper, we show that suitable transport noises produce anomalous dissipation of
energy of solutions to the 2D Navier-Stokes equations and diffusion equations in all …

The stochastic primitive equations with non-isothermal turbulent pressure

A Agresti, M Hieber, A Hussein, M Saal - arXiv preprint arXiv:2210.05973, 2022 - arxiv.org
In this paper we introduce and study the primitive equations with $\textit {non} $-isothermal
turbulent pressure and transport noise. They are derived from the Navier-Stokes equations …

Pathwise uniform convergence of time discretization schemes for SPDEs

K Klioba, M Veraar - IMA Journal of Numerical Analysis, 2024 - academic.oup.com
In this paper we prove convergence rates for time discretization schemes for semilinear
stochastic evolution equations with additive or multiplicative Gaussian noise, where the …