Uniform pointwise estimates for ultraspherical polynomials

Casarino, Valentina; Ciatti, Paolo; Martini, Alessio

Comptes Rendus. Mathématique, Volume 359 (2021) p. 1239-1250

On the norms of quaternionic harmonic projection operators

Bramati, Roberto; Casarino, Valentina; Ciatti, Paolo

Comptes Rendus. Mathématique, Volume 356 (2018) p. 482-488