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The relation graph
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, The Linnaeus Centre for Bioinformatics.
2002 (English)In: Discrete Mathematics, Vol. 244, no 1-3, 153-166 p.Article in journal (Refereed) Published
Abstract [en]

Given a set R of distinct, non-trivial partitions of a finite set, we define the relation graph G(R) of R. In case R consists only of bipartitions, G(R) is the well-known Buneman graph, a median graph that has applications in the area of phylogenetic analysis., Here we consider properties of the relation graph for general sets of partitions and, in particular, we see that it mimics the behaviour of the Buneman graph by proving the following two theorems:

(i) The graph G(R) is a Hamming graph if and only if R is strongly incompatible.

(ii) The graph G(R) is a block graph with #R blocks if and only if R is strongly compatible.

Place, publisher, year, edition, pages
2002. Vol. 244, no 1-3, 153-166 p.
Keyword [en]
median graphs, networks
Identifiers
URN: urn:nbn:se:uu:diva-71826OAI: oai:DiVA.org:uu-71826DiVA: diva2:99737
Available from: 2005-05-12 Created: 2005-05-12 Last updated: 2011-01-13

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