Working meeting "Research topics" - May 17th, 2013

GDR Mascot-Num is organizing a day of discussion on the 2 themes:

It will take place on:

May 17th, 2013, Amphithéâtre Hermite, Institut Henri Poincaré, Paris.

Registration is free but appreciated.


Theme 1: Dimension Reduction

Organizers: S. Da Veiga, N. Villa-Vialaneix, Y. Richet, M. Munoz Zuniga


Plenary talks - Chairwoman: N. Villa-Vialaneix
9:30 - 11:00 John Lee (Université Catholique de Louvain, Belgique) Dimensionality reduction : from PCA to recent nonlinear techniques Slides Yohann de Castro (Université Paris Sud) Spike Detection From Inaccurate Samplings Paper1 Paper2
Discussion : Industrial challenges
14:30 - 16:30 The debate will start with a talk of Y. Richet (IRSN) and M. Munoz Zuniga (IRSN) Slides
16:30 - 17:00 Summary of the discussions (2 themes)

Theme 2: Multi-fidelity simulators

Organizers: C. Helbert, O. Roustant

The exploration of heavy industrial simulators requires clever stategies. The idea may be for example playing on tuning parameters to accelerate the simulation. The result is less accurate but can be obtained more quickly. Simulations with different levels of fidelity may result in a significant improvement of quality of prediction and a gain of computing time. In this workshop we propose three talks on recent research on the modeling of multi-fidelity and a discussion on industrial challenges and theoritical issues.


Plenary talks - Chairman: C. Helbert
11:30 - 13:00 M. De Lozzo (ONERA) Agrégation de co-krigeages pour les codes de calcul multi-fidélité Abstract Slides L. Le Gratiet (Univ. Paris VII et CEA) Planification d’expériences séquentielle dans un contexte de méta-modélisation multi-fidélité Abstract Slides F. Zertuche (Univ. J. Fourier) Learning when High and Low Accuracy Observations are Available Abstract Slides
Discussion : Industrial challenges and theoretical issues
14:30 - 16:30 The debate will start with two brief talks of B. Iooss (EDF) (Slides) and J. Garnier (Univ. Paris VII) (Slides)
16:30 - 17:00 Summary of the discussions (2 themes) Slides


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LOCATION:Amphithéâtre Hermite, Institut Henri Poincaré, 11, rue Pierre et Marie Curie, 75005 Paris
OSMLOCATION:institut henri poincaré, paris