Jérémy E. Cohen

activity

20182023

most citedAn AO-ADMM approach to constraining PARAFAC2 on all modes

29 citations · 104 across the 16 of their papers we have counts for

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2 papers · 1 filter

math.OC2023

A Second-Order Majorant Algorithm for Nonnegative Matrix Factorization

Mai-Quyen Pham, Jérémy Cohen, Thierry Chonavel

Nonnegative Matrix Factorization (NMF) is a fundamental tool in unsupervised learning, widely used for tasks such as dimensionality reduction, feature extraction, representation le…

math.OC2020★ 1 cited

Computing the proximal operator of the $ℓ_{1}$ induced matrix norm

Jeremy E. Cohen

In this short article, for any matrix $X \in R^{n \times m}$ the proximity operator of two induced norms $∥ X ∥_{1}$ and $∥ X ∥_{\infty}$ are derived. Although no close form…

A Second-Order Majorant Algorithm for Nonnegative Matrix Factorization

Computing the proximal operator of the ℓ1​ induced matrix norm

Computing the proximal operator of the $ℓ_{1}$ induced matrix norm