Short bio:
- 2018-now: Research scientist (chargé de recherche) at Inria-Grenoble in the AIRSEA team.
- 2015-2018: Postdoctoral associate at MIT in the UQGroup.
- 2012-2015: Ph.D. at École Centrale Nantes.
- 2008-2012: Bachelor and Master program at École Normale Supérieure Cachan.
(link to the group meeting)
Job offers
- Master research internship: “Ocean data assimilation using multifidelity models“
- Master research internship: “Likelihood-informed subspace for high-dimensional particle filters“
- Master research internship: “Optimizing sums of Rayleigh quotients for model reduction“
Publications:
- Kathrin Smetana, Olivier Zahm: Randomized residual-based error estimators for the Proper Generalized Decomposition approximation of parametrized problems, preprint 2019. arXiv
- Daniele Bigoni, Olivier Zahm, Alessio Spantini, Youssef Marzouk: Greedy inference with layers of lazy map, preprint 2019. arXiv
- Rémi Lam, Olivier Zahm, Youssef Marzouk and Karen Willcox: Multifidelity Dimension Reduction via Active Subspaces, preprint 2018. arXiv.
- Kathrin Smetana, Olivier Zahm and Anthony T. Patera: Randomized residual-based error estimators for parametrized equations, SIAM-SISC, 41(2), p. A900–A926, 2019. link, arXiv.
- Olivier Zahm, Tiangang Cui, Kody Law, Alessio Spantini and Youssef Marzouk: Certified dimension reduction in nonlinear Bayesian inverse problems, preprint 2018. arXiv
- Olivier Zahm, Paul Constantine, Clémentine Prieur and Youssef Marzouk: Gradient-based dimension reduction of multivariate vector-valued functions, preprint 2018. arXiv.
- Weiqi Ji, Jiaxing Wang, Olivier Zahm, Youssef Marzouk, Bin Yang, Zhuyin Ren and Chung K. Law: Shared low-dimensional subspaces for propagating kinetic uncertainty to multiple outputs, Combustion and Flame, Volume 190, p. 146-157, 2017. link.
- Olivier Zahm, Marie Billaud-Friess and Anthony Nouy: Projection based model order reduction methods for the estimation of vector-valued variables of interest, SIAM-SISC 39(4), p. A1647-A1674, 2015. link, arXiv.
- Olivier Zahm and Anthony Nouy: Interpolation of inverse operators for preconditioning parameter-dependent equations, SIAM-SISC, 38(2), p. A1044-A107, 2016. link, arXiv.
- Paul Cazeaux and Olivier Zahm: A fast boundary element method for the solution of periodic many-inclusion problems via hierarchical matrix techniques, ESAIM:Proc, Vol. 48, p. 156-168, 2015. link.
- Marie Billaud-Friess, Anthony Nouy and Olivier Zahm: A tensor approximation method based on ideal minimal residual formulations for the solution of high-dimensional problems, ESAIM: M2AN 48, p. 1777-1806, 2014. link, arXiv.
PhD thesis (supervisor: Anthony Nouy and Marie Billaud-Freiss):
Model order reduction methods for parameter-dependent equations: Applications in Uncertainty Quantification, 2015. link.
Teaching: “Model Exploration for Approximation of Complex, High-Dimensional Problems” (MSIAM)
- Introductory slides (link)
- Introduction to sensitivity analysis (slides)
- List of articles (link)
- Lecture notes on Projection-based Model Order Reduction techniques (link)
- Practical session on Projection-based Model Order Reduction techniques (link)
- Exercises on Projection-based Model Order Reduction techniques (link)