Convex and Concave Functions: 11009. - David Borwein; Julien Grivaux (Am. Math. Mon., 2005)

Shrinking Fréchet Differentiable Maps: 11037. - M. L. J. Hautus; Julien Grivaux (Am. Math. Mon., 2005)

An Identity Involving Harmonic Numbers: 11026. - Jonathan Sondow; Richard Stong; Julien Grivaux (Am. Math. Mon., 2005)

A Polynomial and Its Zeros: 11190. - José Luis Díaz-Barrero; Julien Grivaux (Am. Math. Mon., 2007)

More AGM Inequalities: 11347 [2008, 167]. - Mihály Bencze; Julien Grivaux (Am. Math. Mon., 2009)