Research

Articles

S. Gadat, I. Gavra, L. Risser,  How to compute the barycenter of a weighted graph. 2017 Mathematics of  Operations Research,  Volume 43, Number 4. [Pdf]

C. Bouttier, I. Gavra, Convergence rate of a simulated annealing algorithm with noisy.
observations.  Journal of Machine Learning Research, 2019, Volume: 20, Issue: 4, Pages: 1−45 [Pdf]

Preprints

S. Gadat, I Gavra Asymptotic study of stochastic adaptive algorithms in non-convex landscape. 2020 (soumis) [Pdf]

I. Gavra, L. Risser, Online Estimation of Barycenters on Large Weighted Graphs.  A multiscale strategy.  [Pdf]

 

PhD Thesis

Stochastic algorithms for optimization under uncertainty on complex structures. Convergence and applications. [Pdf]