Cover-Decomposition and polychromatic numbers

Cover-Decomposition and polychromatic numbers

A colouring of a hypergraph's vertices is polychromatic if every hyperedge contains at least one vertex of each colour; the polychromatic number is the maximum number of colours in such a colouring. Its dual, the cover-decomposition number, is the maximum number of disjoint hyperedge-covers. In...

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Autors principals:	Bollobás, B, Pritchard, D, Rothvo, T, Scott, A
Format:	Journal article
Idioma:	English
Publicat:	2011

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