Biclique immersions in graphs with independence number 2

Fuente: arXiv
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Main Authors: Botler, Fábio, Jiménez, Andrea, Lintzmayer, Carla N., Pastine, Adrián, Quiroz, Daniel A., Sambinelli, Maycon
Format: Preprint
Published: 2023
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author Botler, Fábio
Jiménez, Andrea
Lintzmayer, Carla N.
Pastine, Adrián
Quiroz, Daniel A.
Sambinelli, Maycon
author_facet Botler, Fábio
Jiménez, Andrea
Lintzmayer, Carla N.
Pastine, Adrián
Quiroz, Daniel A.
Sambinelli, Maycon
contents The analogue of Hadwiger's conjecture for the immersion relation states that every graph $G$ contains an immersion of $K_{χ(G)}$. For graphs with independence number 2, this is equivalent to stating that every such $n$-vertex graph contains an immersion of $K_{\lceil n/2 \rceil}$. We show that every $n$-vertex graph with independence number 2 contains every complete bipartite graph on $\lceil n/2 \rceil$ vertices as an immersion.
format Preprint
id arxiv_https___arxiv_org_abs_2303_06483
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Biclique immersions in graphs with independence number 2
Botler, Fábio
Jiménez, Andrea
Lintzmayer, Carla N.
Pastine, Adrián
Quiroz, Daniel A.
Sambinelli, Maycon
Combinatorics
Discrete Mathematics
The analogue of Hadwiger's conjecture for the immersion relation states that every graph $G$ contains an immersion of $K_{χ(G)}$. For graphs with independence number 2, this is equivalent to stating that every such $n$-vertex graph contains an immersion of $K_{\lceil n/2 \rceil}$. We show that every $n$-vertex graph with independence number 2 contains every complete bipartite graph on $\lceil n/2 \rceil$ vertices as an immersion.
title Biclique immersions in graphs with independence number 2
topic Combinatorics
Discrete Mathematics
url https://arxiv.org/abs/2303.06483