Mohamed Omar

activity

20102026

most citedSparse Neural Codes and Convexity

10 citations · 27 across the 20 of their papers we have counts for

collaborators

Showing 2017 · math.COShow all

2 papers · 2 filters

math.CO2017

Descent polynomials

Alexander Diaz-Lopez, Pamela E. Harris, Erik Insko +2

Let $n$ be a nonnegative integer and $I$ be a finite set of positive integers. In 1915, MacMahon proved that the number of permutations in the symmetric group $S_{n}$ with…

math.CO2017

Peaks on Graphs

Alexander Diaz-Lopez, Lucas Everham, Pamela E. Harris +3

Given a graph $G$ with $n$ vertices and a bijective labeling of the vertices using the integers $1, 2, \dots, n$ , we say $G$ has a peak at vertex $v$ if the degree of $v$ is greater…