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Electronic Journal of Combinatorics
Article . 2006 . Peer-reviewed
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Article . 2006
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Article . 2006
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On Subgraphs Induced by Transversals in Vertex-Partitions of Graphs

On subgraphs induced by transversals in vertex-partitions of graphs
Authors: Maria Axenovich;

On Subgraphs Induced by Transversals in Vertex-Partitions of Graphs

Abstract

For a fixed graph $H$ on $k$ vertices, we investigate the graphs, $G$, such that for any partition of the vertices of $G$ into $k$ color classes, there is a transversal of that partition inducing $H$. For every integer $k\geq 1$, we find a family ${\cal F}$ of at most six graphs on $k$ vertices such that the following holds. If $H\notin {\cal F}$, then for any graph $G$ on at least $4k-1$ vertices, there is a $k$-coloring of vertices of $G$ avoiding totally multicolored induced subgraphs isomorphic to $H$. Thus, we provide a vertex-induced anti-Ramsey result, extending the induced-vertex-Ramsey theorems by Deuber, Rödl et al.

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Keywords

Coloring of graphs and hypergraphs, anti-Ramsey result, induced-vertex-Ramsey theorems

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Top 10%
Average
gold