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We introduce a concept of dissipative measure valued martingale solutions for stochastic compressible Navier-Stokes equations. These solutions are weak from a probabilistic perspective, since they include both the driving Wiener process and…

Probability · Mathematics 2025-08-07 Utsab Sarkar

We introduce a novel concept of dissipative measure-valued martingale solution to the stochastic Euler equations describing the motion of an inviscid incompressible fluid. These solutions are characterized by a parametrized Young measure…

Analysis of PDEs · Mathematics 2020-12-21 Abhishek Chaudhary , Ujjwal Koley

We introduce the concept of stochastic measure-valued solutions to the complete Euler system describing the motion of a compressible inviscid fluid subject to stochastic forcing, where the nonlinear terms are described by defect measures.…

Analysis of PDEs · Mathematics 2022-03-01 Thamsanqa Castern Moyo

We study the three-dimensional incompressible Euler equations subject to stochastic forcing. We develop a concept of dissipative martingale solutions, where the nonlinear terms are described by generalised Young measures. We construct these…

Analysis of PDEs · Mathematics 2021-07-28 Dominic Breit , Thamsanqa Castern Moyo

We propose a spectral viscosity method (SVM) to approximate the incompressible Euler equations driven by a multiplicative noise. We show that SVM solution converges to a dissipative measure-valued martingale solution. These solutions are…

Analysis of PDEs · Mathematics 2021-09-03 Abhishek Chaudhary

We consider several pressureless variants of the compressible Euler equation driven by nonlocal repulsionattraction and alignment forces with Poisson interaction. Under an energy admissibility criterion, we prove existence of global…

Analysis of PDEs · Mathematics 2021-09-17 José A. Carrillo , Tomasz Dębiec , Piotr Gwiazda , Agnieszka Świerczewska-Gwiazda

In this paper, we propose a new approach to singular limits of inviscid fluid flows based on the concept of dissipative measure-valued solutions. We show that dissipative measure-valued solutions of the compressible Euler equations converge…

Analysis of PDEs · Mathematics 2019-05-06 Eduard Feireisl , Christian Klingenberg , Simon Markfelder

We introduce the concept of a dissipative measure-valued solution to the Euler alignment system. This approach incorporates a modified total energy balance, utilizing a binary tensor Young measure. The central finding is a weak…

Analysis of PDEs · Mathematics 2024-12-13 Abhishek Chaudhary , Ujjwal Koley , Emil Wiedemann

We introduce the concept of dissipative measure-valued solution to the complete Euler system describing the motion of an inviscid compressible fluid. These solutions are characterized by a parameterized (Young) measure and a dissipation…

Analysis of PDEs · Mathematics 2017-02-17 Jan Brezina , Eduard Feireisl

We are concerned with the question of well-posedness of stochastic three dimensional incompressible Euler equations. In particular, we introduce a novel class of dissipative solutions and show that (i) existence; (ii) weak--strong…

Probability · Mathematics 2020-09-23 Martina Hofmanová , Rongchan Zhu , Xiangchan Zhu

As a framework for handling low Mach number limits we consider a notion of measure-valued solution of the incompressible Euler system which explicitly formulates the usually suppressed dependence on the pressure variable. We clarify in…

Analysis of PDEs · Mathematics 2023-03-14 Dennis Gallenmüller

We study the isentropic compressible Euler equations in multi-dimensions with stochastic perturbation of transport type. On the one hand, this is motivated by the physical modelling in turbulence theory. On the other hand, it has been shown…

Analysis of PDEs · Mathematics 2025-11-26 Richard Boadi , Dominic Breit , Thamsanqa Castern Moyo

The Cauchy problem for the complete Euler system is in general ill posed in the class of admissible (entropy producing) weak solutions. This suggests there might be sequences of approximate solutions that develop fine scale oscillations.…

Numerical Analysis · Mathematics 2018-03-23 Eduard Feireisl , Maria Lukacova-Medvidova , Hana Mizerova

We consider the complete Euler system describing the time evolution of a general inviscid compressible fluid. We introduce a new concept of measure-valued solution based on the total energy balance and entropy inequality for the physical…

Analysis of PDEs · Mathematics 2018-05-23 Jan Brezina , Eduard Feireisl

In this paper, we establish the existence of probabilistically strong, measure-valued solutions for the stochastic incompressible Navier--Stokes equations and prove their convergence, in the vanishing viscosity limit, to probabilistically…

Analysis of PDEs · Mathematics 2026-01-30 Benjamin Gess , Robert Lasarzik

We propose and study the framework of dissipative statistical solutions for the incompressible Euler equations. Statistical solutions are time-parameterized probability measures on the space of square-integrable functions, whose…

Numerical Analysis · Mathematics 2021-02-25 Samuel Lanthaler , Siddhartha Mishra , Carlos Parés-Pulido

We combine the spectral (viscosity) method and ensemble averaging to propose an algorithm that computes admissible measure valued solutions of the incompressible Euler equations. The resulting approximate young measures are proved to…

Numerical Analysis · Mathematics 2021-02-22 Samuel Lanthaler , Siddhartha Mishra

Measure-valued solutions to fluid equations arise naturally, for instance as vanishing viscosity limits, yet exhibit non-uniqueness to a vast extent. In this paper, we show that some measurevalued solutions to the two-dimensional isentropic…

Analysis of PDEs · Mathematics 2023-03-14 Dennis Gallenmüller , Emil Wiedemann

We prove the existence of a unique local strong solution to the stochastic compressible Euler system with nonlinear multiplicative noise. This solution exists up to a positive stopping time and is strong in both the PDE and probabilistic…

Analysis of PDEs · Mathematics 2019-01-31 Dominic Breit , Prince Romeo Mensah

We analyze the Ericksen-Leslie system equipped with the Oseen-Frank energy in three space dimensions. The new concept of dissipative solutions is introduced. Recently, the author introduced the concept of measure-valued solutions to the…

Analysis of PDEs · Mathematics 2020-01-08 Robert Lasarzik
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