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Matemática Aplicada e Computacional

Título |
On the stochastic modeling of some aspects of fluid turbulence |

Expositor |
Laurent Chevillard
ENS Lyon |

Data |
Terça-feira, 16 de julho de 2019, 11:00 |

Local |
Sala 236 |

Resumo |

I will begin with presenting some developments on fractional Ornstein-Uhlenbeck processes, and define, as rigorously as possible, a stochastic evolution which stationary solution is irregular (in an Holder sense). This has very interesting applications in the modeling of the temporal structure of fluid turbulence. If I have enough time, I will then develop this idea in the context of the dynamics of the velocity gradient tensor, a work done in collaboration with R.M. Pereira (UERJ) and L. Moriconi (UFRJ). Come, it will be fun.