Mathematics > Combinatorics
[Submitted on 23 Apr 2018]
Title:On the 4-girth-thickness of the line graph of the complete graph
View PDFAbstract:The $g$-girth-thickness $\theta(g,G)$ of a graph $G$ is the minimum number of planar subgraphs of girth at least $g$ whose union is $G$. In this note, we give the $4$-girth-thickness $\theta(4,L(K_n))$ of the line graph of the complete graph $L(K_n)$ when $n$ is even. We also give the minimum number of subgraphs of $L(K_n)$, which are of girth at least $4$ and embeddable on the projective plane, whose union is $L(K_n)$.
Submission history
From: Christian Rubio-Montiel PhD [view email][v1] Mon, 23 Apr 2018 20:29:09 UTC (21 KB)
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