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math.PR2026
Convex order, log-convexity and moments of averages of random variables
Felipe Gonçalves, José Madrid, Antonio Pedro Ramos
We establish a convex order comparison for products of averages of exchangeable nonnegative random variables. As a consequence, we solve a conjecture of Lamkin and Tkocz (2022) on…
math.PR2022★ 1 cited
A new proof of the description of the convex hull of space curves with totally positive torsion
Jaume de Dios Pont, Paata Ivanisvili, José Madrid
We give new proofs of the description convex hulls of space curves having totally positive torsion. These are curves such that all the leading pri…