2 papers
math.PR2025
A short proof of Feige's conjecture for identically distributed random variables
Martín Egozcue, Luis Fuentes García
In this note, we provide a short proof of Feige's conjecture for identically distributed random variables.
math.PR2010
Revisiting Gruss's inequality: covariance bounds,QDE but not QD copulas, and central moments
Martin Egozcue, Luis Fuentes Garcia, Wing-Keung Wong +1
Since the pioneering work of Gerhard Gruss dating back to 1935, Gruss's inequality and, more generally, Gruss-type bounds for covariances have fascinated researchers and found nume…