8 citations · 19 across the 10 of their papers we have counts for
Showing 2017Show all
2 papers · 1 filter
math.CO2017
Descent polynomials
Alexander Diaz-Lopez, Pamela E. Harris, Erik Insko +2
Let be a nonnegative integer and be a finite set of positive integers. In 1915, MacMahon proved that the number of permutations in the symmetric group with…
math.CO2017
Peaks on Graphs
Alexander Diaz-Lopez, Lucas Everham, Pamela E. Harris +3
Given a graph with vertices and a bijective labeling of the vertices using the integers , we say has a peak at vertex if the degree of is greater…