Showing math.COShow all
2 papers · 1 filter
math.CO2026
A square-root law for equitable coloring
Mohammad F. Marashdeh
An equitable -coloring of a graph partitions its vertex set into independent sets whose sizes differ by at most one; the least such is the equitable chromatic number $\c…
math.CO2026
An upper bound for the type of a numerical semigroup, and a reduction of Wilf's conjecture
Mohammad F. Marashdeh
Let be a numerical semigroup with multiplicity $\mult$, conductor $\cc$, embedding dimension $\ee$, type $\typ$ and genus $\gnus$, and let $\nn=\cc-\gnus$. Wilf's conjecture as…