Search Results for author: Thomas Pumir

Found 2 papers, 0 papers with code

Generalization of Quasi-Newton Methods: Application to Robust Symmetric Multisecant Updates

no code implementations6 Nov 2020 Damien Scieur, Lewis Liu, Thomas Pumir, Nicolas Boumal

Quasi-Newton techniques approximate the Newton step by estimating the Hessian using the so-called secant equations.

Optimization and Control Numerical Analysis Numerical Analysis

Smoothed analysis of the low-rank approach for smooth semidefinite programs

no code implementations NeurIPS 2018 Thomas Pumir, Samy Jelassi, Nicolas Boumal

In order to overcome scalability issues, Burer and Monteiro proposed a factorized approach based on optimizing over a matrix Y of size $n$ by $k$ such that $X = YY^*$ is the SDP variable.

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