2 papers
math.CO2019
A New Formula of q-Fubini Numbers via Goncharov polynomials
Adel Hamdi
Connected the generalized Goncharov polynomials associated to a pair () if a delta operator and an interpolation grid , introduced by…
math.CO2011
Symmetric Distribution of Crossings and Nestings in Permutations of Type B
Adel Hamdi
This note contains two results on the distribution of crossing numbers and nesting numbers in permutations of type B. More precisely, we prove a Bn- analogue of the symmetric distr…