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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao zbMATH Openarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 2012
Data sources: zbMATH Open
Forum Mathematicum
Article . 2012 . Peer-reviewed
Data sources: Crossref
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Phylogenetic analysis and homology

Phylogenetic analysis and homology
Authors: Dress, Andreas W. M.; Wu, Yaokun;

Phylogenetic analysis and homology

Abstract

Abstract. Given a finite simplicial complex , we construct a chain-complex isomorphism from the simplicial chain complex of over endowed with the standard boundary operator (that maps any simplex onto the sum of all of its maximal subsets) to that same complex endowed with the incidence operator that maps any simplex to the sum of just all of its proper subsets. We also indicate why this became of interest in the context of the theory of phylogenetic diversity.

Keywords

Matrix equations and identities, incidence operator, phylogenetic diversity, Combinatorial aspects of simplicial complexes, homology, simplicial complexes, boundary operator

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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