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5 papers

math.PR2026

The stochastic Keller--Segel system in critical spaces

Jae-Hwan Choi, Ankit Kumar, Andrea Pitrone +2

The paper analyzes stochastic Keller–Segel equations on a d‑dimensional torus within scaling‑critical Besov spaces, establishing local well‑posedness and showing that, for sufficie…

math.PR2026

The Incompressible Navier--Stokes--Fourier System with Thermal Noise

Benjamin Gess, Max Sauerbrey, Zhengyan Wu

We establish a solution theory for the incompressible Navier--Stokes--Fourier system with thermal noise, posed on the three-dimensional torus. While in the incompressible determini…

math.AP2026

Well-posedness of the stochastic thin-film equation with an interface potential

Antonio Agresti, Max Sauerbrey

We consider strictly positive solutions to a class of fourth-order conservative quasilinear SPDEs on the -dimensional torus modeled after the stochastic thin-film equation. We p…

math.PR2025

A stochastic flow approach to De Giorgi-Nash-Moser estimates for SPDEs with smooth transport noise

Antonio Agresti, Max Sauerbrey, Mark Veraar

The celebrated De Giorgi-Nash-Moser theory ensures that solutions to uniformly elliptic or parabolic PDEs are bounded and Hölder continuous, even with merely bounded measurable co…

math.PR2025

Solutions to the stochastic thin-film equation for the range of mobility exponents

Max Sauerbrey

Recently, many existence results for the stochastic thin-film equation were established in the case of a quadratic mobility exponent , in which the noise term $\partial_x(u^\f…