activity
20032026
most citedSemidefinite Characterization and Computation of Real Radical Ideals

114 citations · 542 across the 90 of their papers we have counts for

collaborators

114 papers

cs.LG2026

Scalable anomaly detection via a univariate Christoffel function

Florian Grivet, Didier Henrion, Jean-Bernard Lasserre +1

Anomaly detection plays a critical role in identifying unusual patterns across domains such as fraud detection, network intrusion, and system fault diagnosis. Recently, Christoffel…

math.OC2024

Least multivariate Chebyshev polynomials on diagonally determined sets

Mareike Dressler, Simon Foucart, Mioara Joldes +3

We consider a new multivariate generalization of the classical monic (univariate) Chebyshev polynomial that minimizes the uniform norm on the interval . Let be the…

math.OC2023

Uncertainty Quantification of Set-Membership Estimation in Control and Perception: Revisiting the Minimum Enclosing Ellipsoid

Yukai Tang, Jean-Bernard Lasserre, Heng Yang

Set-membership estimation (SME) outputs a set estimator that guarantees to cover the groundtruth. Such sets are, however, defined by (many) abstract (and potentially nonconvex) con…

math.OC2023★ 1 cited

A Generalized Pell's equation for a class of multivariate orthogonal polynomials

Jean-Bernard Lasserre, Yuan Xu

We extend the polynomial Pell's equation satisfied by univariate Chebyshev polynomials on [--1, 1] from one variable to several variables, using orthogonal polynomials on regular d…

math.OC2023

Minimal Sparsity for Second-Order Moment-SOS Relaxations of the AC-OPF Problem

Adrien Le Franc, Victor Magron, Jean-Bernard Lasserre +2

AC-OPF (Alternative Current Optimal Power Flow)aims at minimizing the operating costs of a power gridunder physical constraints on voltages and power injections.Its mathematical fo…

math.AG2023

Polynomial Optimization, Certificates of Positivity, and Christoffel Function

Jean-Bernard Lasserre

We briefly recall basics of the Moment-SOS hierarchy in polynomial optimization and the Christoffel-Darboux kernel (and the Christoffel function (CF)) in theory of approximation an…