2 citations · 2 across the 3 of their papers we have counts for
3 papers
math.CO2019★ 2 cited
Generalised Barred Preferential Arrangements
Sithembele Nkonkobe, Venkat Murali, Béata Bényi
A barred preferential arrangement is a preferential arrangement onto which a number of identical bars are inserted in between the blocks of the preferential arrangement. In this st…
math.CO2015
On some properties and relations between restricted barred preferential arrangements, multi-poly-Bernoulli numbers and related numbers
S. Nkonkobe, V. Murali
The introduction of bars in-between blocks of an ordered set partition(preferential arrangement) results in a barred ordered set partition(barred preferential arrange- ment). Havin…
math.CO2015
On Some Identities of Barred Preferential Arrangements
S. Nkonkobe, V. Murali
A preferential arrangement of a finite set is an ordered partition. Associated with each such ordered partition is a chain of subsets or blocks endowed with a linear order. The cha…