List colouring hypergraphs and extremal results for acyclic graphs
We study several extremal problems in graphs and hypergraphs. The first one is on list-colouring hypergraphs, which is a generalization of the ordinary colouring of hypergraphs. We discuss two methods for determining the list-chromatic number of hypergraphs. One method uses hypergraph polynomials...
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| Language: | en |
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2008
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| Online Access: | http://hdl.handle.net/10012/3715 |