Obstacle problem for a stochastic conservation law and Lewy Stampacchia inequality

IH Biswas, Y Tahraoui, G Vallet - Journal of Mathematical Analysis and …, 2023 - Elsevier
Our interest in this paper evolves around rigorous mathematical formalisation of obstacle
problem for stochastic conservation laws. We formulate a stochastic entropy solution …

Stochastic pseudomonotone parabolic obstacle problem: well-posedness Lewy-Stampacchia's inequalities

N Sapountzoglou, Y Tahraoui, G Vallet… - arXiv preprint arXiv …, 2023 - arxiv.org
We consider obstacle problems for nonlinear stochastic evolution equations. More precisely,
the leading operator in our equation is a nonlinear, second order pseudomonotone operator …

On Lewy Stampacchia inequalities for a pseudomonotone parabolic obstacle problem with L1-data

O Guibé, Y Tahraoui, G Vallet - Nonlinear Analysis: Real World Applications, 2024 - Elsevier
The aim of this paper is to prove the existence of entropy solution, and the associated Lewy-
Stampacchia inequalities in a renormalized form, to some parabolic obstacle problems …

Noncoercive parabolic obstacle problems

F Farroni, L Greco, G Moscariello… - Advances in Nonlinear …, 2023 - degruyter.com
We prove an existence result for obstacle problems related to convection-diffusion parabolic
equations with singular coefficients in the convective term. Our operator is not coercive, the …

Large deviations for an obstacle problem with T-monotone operator and multiplicative noise

Y Tahraoui - arXiv preprint arXiv:2308.02206, 2023 - arxiv.org
In this paper, we study the large deviation principle (LDP) for obstacle problems governed
by a T-monotone operator and small multiplicative stochastic reaction. Our approach relies …

Lewy–Stampacchia's inequality for a stochastic T-monotone obstacle problem

Y Tahraoui, G Vallet - … and Partial Differential Equations: Analysis and …, 2022 - Springer
The aim of this work is to study a stochastic obstacle problem governed by a T-monotone
operator, a random force and a multiplicative stochastic reaction in the frame of Sobolev …

Parabolic problems with constraints, deterministic and stochastic.

Y Tahraoui - 2020 - theses.hal.science
In this thesis, our aim is to study elliptic and parabolic problems with constraints in theframe
of deterministic and stochastic se3ngs. More precisely, we are interested in theexistence of …

A nonlinear stochastic diffusion-convection equation with reflection

N Sapountzoglou, Y Tahraoui, G Vallet… - arXiv preprint arXiv …, 2024 - arxiv.org
We study a nonlinear, pseudomonotone, stochastic diffusion-convection evolution problem
on a bounded spatial domain, in any space dimension, with homogeneous boundary …

Invariant measures for stochastic T-monotone parabolic obstacle problems

Y Tahraoui - arXiv preprint arXiv:2311.02637, 2023 - arxiv.org
This work aims to investigate the existence of ergodic invariant measures and its
uniqueness, associated with obstacle problems governed by a T-monotone operator defined …

[PDF][PDF] Lewy-Stampacchia inequality for noncoercive parabolic obstacle problems

F Farroni, G Moscariello, G Zecca - Mathematics in Engineering, 2023 - aimspress.com
We investigate the obstacle problem for a class of nonlinear and noncoercive parabolic
variational inequalities whose model is a Leray–Lions type operator having singularities in …