Uniform pointwise estimates for ultraspherical polynomials

Valentina Casarino; Paolo Ciatti; Alessio Martini

Comptes Rendus. Mathématique, Volume 359 (2021) no. 10 p. 1239-1250

On the norms of quaternionic harmonic projection operators

Roberto Bramati; Valentina Casarino; Paolo Ciatti

Comptes Rendus. Mathématique, Volume 356 (2018) no. 5 p. 482-488