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WEAK RANDOM ATTRACTORS FOR THE STOCHASTIC THREE-DIMENSIONAL NAVIER--STOKES EQUATIONS WITH MULTIPLICATIVE NOISE

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Autor(es):
Xu, Jiaohui ; Caraballo, Tomas ; Carvalho, Alexandre N. ; Valero, Jose
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: SIAM JOURNAL ON MATHEMATICAL ANALYSIS; v. 57, n. 4, p. 37-pg., 2025-01-01.
Resumo

In this paper, we prove the existence of a weak random attractor for the threedimensional Navier-Stokes system (SNSE) perturbed by a multiplicative Brownian noise. In order to prove this result, we use an approximative problem which is given by the stochastic globally modified Navier--Stokes equations (SGMNSEs). Once we prove the well-posedness and existence of a random attractor for the SGMNSEs, we can construct a weak random attractor for the SNSE. The measurability of the weak attractors is a delicate problem which is successfully sorted out. (AU)

Processo FAPESP: 20/14075-6 - Sistemas dinâmicos e seus atratores sob perturbação
Beneficiário:Alexandre Nolasco de Carvalho
Modalidade de apoio: Auxílio à Pesquisa - Temático