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20062025
most citedEfficient and fast estimation of the geometric median in Hilbert spaces with an averaged stochastic gradient algorithm

104 citations · 414 across the 30 of their papers we have counts for

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math.AP2024

Infinite dimensional metapopulation SIS model with generalized incidence rate

Jean-François Delmas, Kacem Lefki, Pierre-André Zitt

We consider an infinite-dimension SIS model introduced by Delmas, Dronnier and Zitt, with a more general incidence rate, and study its equilibria. Unsurprisingly, there exists at l…

math.SP2024

Transformations preserving the effective spectral radius of a matrix

Jean-François Delmas, Dylan Dronnier, Pierre-André Zitt

We discuss transformations on matrices that preserve the effective spectrum and/or the effective spectral radius.