Évènements / UQSay

UQSay Seminar
Évènements à venir

UQSay #99 — Donatien Rossat — Information Geometry-based Robust Bayesian Analysis

The ninety-ninth UQSay seminar on UQ, DACE and related topics will take place online on Thursday afternoon, May 7, 2026. 2–3 PM — Donatien Rossat ( EDF R&D) Information Geometry-based Robust Bayesian Analysis Bayesian inference provides a comprehensive framework for quantifying epistemic uncertainties, and updating them from new information. It relies on updating a so-called […]

07/05/2026

UQSay #97 — Anthony Quintin — Optimal experimental designs based on the cross-entropy method for planning fracture toughness tests

The ninety-seventh UQSay seminar on UQ, DACE and related topics will take place online on Thursday afternoon, March 26, 2026. 2–3 PM — Anthony Quintin (CEA DIF) Optimal experimental designs based on the cross-entropy method for planning fracture toughness tests Nuclear reactor pressure vessels undergo progressive embrittlement under neutron irradiation, monitored through the Master Curve […]

26/03/2026

UQSay #96 — Richard Everitt — Improved MCMC with active subspaces

The ninety-sixth UQSay seminar on UQ, DACE and related topics will take place online on Thursday afternoon, March 12, 2026. 2–3 PM — Richard Everitt (Department of Statistics, University of Warwick) Improved MCMC with active subspaces Constantine et al. (2016) introduced a Metropolis-Hastings (MH) approach that target the active subspace of a posterior distribution: a […]

12/03/2026

UQSay #95 — Yuansi Chen — When does Metropolized Hamiltonian Monte Carlo provably outperform Metropolis-adjusted Langevin algorithm?

The ninety-fifth UQSay seminar on UQ, DACE and related topics will take place online on Thursday afternoon, February 12, 2026. 2–3 PM — Yuansi Chen (ETH Zürich) — [slides] When does Metropolized Hamiltonian Monte Carlo provably outperform Metropolis-adjusted Langevin algorithm? We analyze the mixing time of Metropolized Hamiltonian Monte Carlo (HMC) with the leapfrog integrator […]

12/02/2026

UQSay #94 — Eleni Chatzi — Dynamics, Inference, and Uncertainty: Foundations of AI-Enhanced Digital Twins

The ninety-fourth UQSay seminar on UQ, DACE and related topics will take place online on Thursday afternoon, February 05, 2026. 2–3 PM — Eleni Chatzi (ETH Zürich, Department of Civil, Environmental and Geomatic Engineering) Dynamics, Inference, and Uncertainty: Foundations of AI-Enhanced Digital Twins This talk examines the role of structural dynamics as a foundation for […]

05/02/2026