Karen L. Collins

activity

20002026

most citedTreewidth Bounds for Planar Graphs Using Three-Sided Brambles

1 citations · 1 across the 8 of their papers we have counts for

collaborators

Showing 2019Show all

2 papers · 1 filter

math.CO2019

Clique immersion in graph products

Karen L. Collins, Megan E. Heenehan, Jessica McDonald

Let $G, H$ be graphs and $G * H$ represent a particular graph product of $G$ and $H$ . We define $im (G)$ to be the largest $t$ such that $G$ has a $K_{t}$ -immersion and ask: given $im(G)…

math.CO2019

The distinguishing number and distinguishing chromatic number for posets

Karen L. Collins, Ann N. Trenk

In this paper we introduce the concepts of the distinguishing number and the distinguishing chromatic number of a poset. For a distributive lattice $L$ and its set $Q_{L}$ of join-ir…