On the excedance number of colored permutation groups
Joint with E. Bagno & D. Garber.
In Seminar Lotharingien de Combinatoire, 53 (2006).
Euler-Mahonian parameters on colored permutation groups.
Joint with E. Bagno.
In Seminar Lotharingien de Combinatoire 51 (2004).
Kazhdan constants of some colored permutation groups
Joint with E. Bagno.
In Journal of Algebra 282 (2004).