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Signatures of Currency Vertices
KTH, Skolan för datavetenskap och kommunikation (CSC), Beräkningsbiologi, CB.
2009 (Engelska)Ingår i: Journal of the Physical Society of Japan, ISSN 0031-9015, E-ISSN 1347-4073, Vol. 78, nr 3, s. 034801-Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Many real-world networks have broad degree distributions. For some systems, this means that the functional of the vertices is also broadly distributed, in other cases the vertices are equally significant, but in different ways. One example of the latter case is metabolic networks, where the high-degree vertices the currency metabolites-supply the molecular groups to the low-degree metabolites, and the latter are responsible for the higher-order biological function, Of Vital importance to the organism. In this paper, we propose a generalization of currency metabolites to currency vertices. We investigate the network structural characteristics of such systems, both in model networks and in sonic empirical systems. fit addition to metabolic networks, we find that a network of music collaborations and a network of e-mail exchange could be described by a division of the vertices into currency vertices and others.

Ort, förlag, år, upplaga, sidor
2009. Vol. 78, nr 3, s. 034801-
Nyckelord [en]
complex networks, complex systems, network structure
Nationell ämneskategori
Annan biologi
Identifikatorer
URN: urn:nbn:se:kth:diva-24888DOI: 10.1143/JPSJ.78.034801ISI: 000264596000048Scopus ID: 2-s2.0-62549096848OAI: oai:DiVA.org:kth-24888DiVA, id: diva2:353849
Anmärkning
QC 20100929Tillgänglig från: 2010-09-29 Skapad: 2010-09-29 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Holme, Petter
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Beräkningsbiologi, CB
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