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Graphs and Combinatorics
Article . 1985 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 1985
Data sources: zbMATH Open
DBLP
Article . 1985
Data sources: DBLP
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List-colourings of graphs

Authors: Béla Bollobás; Andrew J. Harris;

List-colourings of graphs

Abstract

The edge list-chromatic number, \(\chi '_{\ell}(G)\), of a graph G is the minimum among lengths \(| \Lambda (\alpha)|\) of lists \(\Lambda(\alpha)\), \(\alpha\in E(G)\), which guarantees the existence of an edge-colouring \(\phi: E(G)\to \cup_{\alpha}\Lambda(\alpha)\) with \(\phi(\alpha)\in \Lambda(\alpha)\) for each \(\alpha\in E(G)\). The authors show that there is a \(c<2\) such that \(\chi'_{\ell}(G)\leq c\Delta\) provided the maximal degree \(\Delta\) of G is large. Same holds for a total chromatic number \(\chi^*(G)\) because \(\chi^*(G)\leq \chi'_{\ell}(G)+2\). Chromatic numbers of r-uniform hypergraphs (possibly with maximal degree \(\Delta)\) are estimated.

Related Organizations
Keywords

Coloring of graphs and hypergraphs, total chromatic number, conjecture of Albertson and Tucker, Hypergraphs, chromatic number of hypergraph, edge list-chromatic number

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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!
64
Top 10%
Top 1%
Average
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