Approximately counting H-colourings is BIS-Hard

We consider counting <em>H</em>-colourings from an input graph G to a target graph <em>H</em>. We show that for any fixed graph <em>H</em> without trivial components, this is as hard as the well-known problem #BIS, the problem of (approximately) counting independe...

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Bibliografiske detaljer
Main Authors: Galanis, A, Goldberg, L, Jerrum, M
Format: Journal article
Sprog:English
Udgivet: 2015