Search Results for author: Mathieu Barré

Found 3 papers, 2 papers with code

Averaging Atmospheric Gas Concentration Data using Wasserstein Barycenters

no code implementations6 Oct 2020 Mathieu Barré, Clément Giron, Matthieu Mazzolini, Alexandre d'Aspremont

Hyperspectral satellite images report greenhouse gas concentrations worldwide on a daily basis.

Principled Analyses and Design of First-Order Methods with Inexact Proximal Operators

1 code implementation10 Jun 2020 Mathieu Barré, Adrien Taylor, Francis Bach

In this work, we survey notions of inaccuracies that can be used when solving those intermediary optimization problems.

Optimization and Control Numerical Analysis Numerical Analysis

Complexity Guarantees for Polyak Steps with Momentum

1 code implementation3 Feb 2020 Mathieu Barré, Adrien Taylor, Alexandre d'Aspremont

In smooth strongly convex optimization, knowledge of the strong convexity parameter is critical for obtaining simple methods with accelerated rates.

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