Cycle packing

<p>In the 1960s, Erdős and Gallai conjectured that the edge set of every graph on <i>n</i> vertices can be partitioned into <i>O</i>(<i>n</i>) cycles and edges. They observed that one can easily get an <i>O</i>(<i>n</i> log <i>...

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Détails bibliographiques
Auteurs principaux: Conlon, D, Fox, J, Sudakov, B
Format: Journal article
Publié: Wiley 2014
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Résumé:<p>In the 1960s, Erdős and Gallai conjectured that the edge set of every graph on <i>n</i> vertices can be partitioned into <i>O</i>(<i>n</i>) cycles and edges. They observed that one can easily get an <i>O</i>(<i>n</i> log <i>n</i>)upper bound by repeatedly removing the edges of the longest cycle. We make the first progress on this problem, showing that <i>O</i>(<i>n</i> log log <i>n</i>) cycles and edges suffice. We also prove the Erdős-Gallai conjecture for random graphs and for graphs with linear minimum degree.</p>