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dc.contributor.authorNikolopoulos, S. D.en
dc.contributor.authorPalios, L.en
dc.date.accessioned2015-11-24T17:01:03Z-
dc.date.available2015-11-24T17:01:03Z-
dc.identifier.issn0302-9743-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/10860-
dc.rightsDefault Licence-
dc.subjectperfect graphsen
dc.subjectcographsen
dc.subjectcotreesen
dc.subjectconnected componentsen
dc.subjectco-connected componentsen
dc.subjectoptimization problemsen
dc.subjectrecognition algorithmen
dc.subjectgraphsen
dc.titleAdding an edge in a cographen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Ηλεκτρονικών Υπολογιστών και Πληροφορικήςel
heal.publicationDate2005-
heal.abstractIn this paper, we establish structural properties of cographs which enable us to present an algorithm which, for a cograph C and a non-edge xy (i.e., two non-adjacent vertices x and y) of G, finds the minimum number of edges that need to be added to the edge set of C such that the resulting graph is a cograph and contains the edge xy. The motivation for this problem comes from algorithms for the dynamic recognition and online maintenance of graphs; the proposed algorithm could be a suitable addition to the algorithm of Shamir and Sharan [13] for the online maintenance of cographs. The proposed algorithm runs in time linear in the size of the input graph and requires linear space.en
heal.journalNameGraph-Theoretic Concepts in Computer Scienceen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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