Výsledky vyhledávání - "David Godinho"

Vidas de papel Sábado Vs Correio da manhã

Publikováno v: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
instacron:RCAAP

O presente relatório teve como ponto de partida uma experiência de estágio, que teve a duração de seis meses, e um trabalho efetivo de três meses e meio, ambos no grupo de comunicação “Cofina media”. No presente relatório reflete-se sobr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1f426973fe82acdcf972a2fc5b505bfc
https://hdl.handle.net/10400.26/31557

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Asymptotic of Grazing Collisions and Particle Approximation for the Kac Equation without Cutoff

Autor: Nicolas Fournier, David Godinho

Publikováno v: Comm Math Phys
Comm Math Phys, 2012, 316 (2), pp.207--344
Communications in Mathematical Physics
Communications in Mathematical Physics, Springer Verlag, 2012, 316 (2), pp.207-344. ⟨10.1007/s00220-012-1578-9⟩

The subject of this article is the Kac equation without cutoff. We first show that in the asymptotic of grazing collisions, the Kac equation can be approximated by a Fokker-Planck equation. The convergence is uniform in time and we give an explicit r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a975bbdcc3ae60423879278e41b38775
https://doi.org/10.1007/s00220-012-1578-9

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Propagation of chaos for a subcritical Keller–Segel model

Autor: Cristóbal Quiñinao, David Godinho

Publikováno v: Ann. Inst. H. Poincaré Probab. Statist. 51, no. 3 (2015), 965-992

Cet article traite de l’equation de Keller–Segel dans un cadre sous-critique. A l’aide du systeme de particules en lien avec cette equation, nous montrons des resultats d’existence et d’unicite, puis la propagation du chaos pour ce dernier.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4bf2c4707f31e3cd342636d23118873
https://doi.org/10.1214/14-aihp606

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Asymptotic of grazing collisions for the spatially homogeneous Boltzmann equation for soft and Coulomb potentials

Autor: David Godinho

We give an explicit bound for the Wasserstein distance with quadratic cost between the solutions of Boltzmann's and Landau's equations in the case of soft and Coulomb potentials. This gives an explicit rate of convergence for the grazing collisions l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::caff16efe7007a48dccbb97ca5bf2a57

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Extracção e representação de metadados num contexto de produção de vídeo

Autor: Mateus, João David Godinho Moreira

Trabalho apresentado no âmbito do Mestrado em Engenharia Informática, como requisito parcial para obtenção do grau de Mestre em Engenharia Informática Cada vez mais é necessário aproveitar e reutilizar os conteúdos dos arquivos de vídeo de f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1437::49d22cef1e244fc205982d4db11cd4b5
https://hdl.handle.net/10362/4831

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