Weighted expanders and the anisotropic Alon-Boppana theorem. - Tullio Ceccherini-Silberstein; Fabio Scarabotti; Filippo Tolli (Eur. J. Comb., 2004)

Generalized Kaloujnine Groups, Uniseriality and Height of Automorphisms. - Tullio Ceccherini-Silberstein; Yurij G. Leonov; Fabio Scarabotti; Filippo Tolli (Int. J. Algebra Comput., 2005)

Spectral analysis of finite Markov chains with spherical symmetries. - Fabio Scarabotti; Filippo Tolli (Adv. Appl. Math., 2007)