Single-edge monotonic sequences of graphs and linear-time algorithms for minimal completions and deletions
| dc.contributor.author | Papadopoulos, C. | en |
| dc.contributor.author | Heggernes, P. | en |
| dc.date.accessioned | 2015-11-24T17:28:01Z | |
| dc.date.available | 2015-11-24T17:28:01Z | |
| dc.identifier.issn | 0304-3975 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13487 | |
| dc.rights | Default Licence | - |
| dc.title | Single-edge monotonic sequences of graphs and linear-time algorithms for minimal completions and deletions | en |
| heal.abstract | We study graph properties that admit an increasing, or equivalently decreasing, sequence of graphs on the same vertex set such that for any two consecutive graphs in the sequence their difference is a single edge. This is useful for characterizing and computing minimal completions and deletions of arbitrary graphs into having these properties. We prove that threshold graphs and chain graphs admit such sequences. Based on this characterization and other structural properties, we present linear-time algorithms both for computing minimal completions and deletions into threshold, chain, and bipartite graphs, and for extracting a minimal completion or deletion from a given completion or deletion. Minimum completions and deletions into these classes are NP-hard to compute. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.journalName | Theoretical Computer Science | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2009 | - |
| heal.publisher | Elsevier | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μαθηματικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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