6 citations · 15 across the 10 of their papers we have counts for
4 papers · 1 filter
On the excedance sets of colored permutations
Eli Bagno, David Garber, Robert Shwartz
We define the excedence set and the excedance word on , generalizing a work of Ehrenborg and Steingrimsson and use the inclusion-exclusion principle to calculate the numbe…
Towards the computation of the convex hull of a configuration from its corresponding separating matrix
Elie Feder, David Garber
In this paper, we cope with the following problem: compute the size of the convex hull of a configuration C, where the given data is the number of separating lines between any two…
Recursions for Excedance number in some permutations groups
Eli Bagno, David Garber, Toufik Mansour +1
The excedance number for S_n is known to have an Eulerian distribution. Nevertheless, the classical proof uses descents rather than excedances. We present a direct recursive proof…
Statistics on the multi-colored permutation groups
Eli Bagno, Ayelet Butman, David Garber
We define an excedance number for the multi-colored permutation group, i.e. the wreath product of Z_{r_1} x ... x Z_{r_k} with S_n, and calculate its multi-distribution with some n…