Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Articles Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Colouring of (P3? P2) -free graphs Subject The topic of the resource (P3? P2) -free graphs; 2 K2-free graphs; Chromatic number; Clique number; Colouring; Diamond; Perfect graphs Description An account of the resource The class of 2 K2-free graphs and its various subclasses have been studied in a variety of contexts. In this paper, we are concerned with the colouring of (P3? P2) -free graphs, a super class of 2 K2-free graphs. We derive a O(?3) upper bound for the chromatic number of (P3? P2) -free graphs, and sharper bounds for (P3? P2, diamond)-free graphs and for (2 K2, diamond)-free graphs, where ? denotes the clique number. The last two classes are perfect if ?? 5 and ? 4 respectively. 2017, Springer Japan KK, part of Springer Nature. Creator An entity primarily responsible for making the resource Bharathi A.P.; Choudum S.A. Source A related resource from which the described resource is derived Graphs and Combinatorics, Vol-34, No. 1, pp. 97-107. Publisher An entity responsible for making the resource available Springer Tokyo Date A point or period of time associated with an event in the lifecycle of the resource 2018-01-01 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1007/s00373-017-1870-8" target="_blank" rel="noreferrer noopener">https://doi.org/10.1007/s00373-017-1870-8</a> <a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039718429&doi=10.1007%2Fs00373-017-1870-8&partnerID=40&md5=3846c9b239f12b60d9495fafc9b3f5b0" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85039718429&doi=10.1007%2fs00373-017-1870-8&partnerID=40&md5=3846c9b239f12b60d9495fafc9b3f5b0</a> Rights Information about rights held in and over the resource All Open Access; Green Open Access Relation A related resource ISSN: 9110119 Format The file format, physical medium, or dimensions of the resource Online Language A language of the resource English Type The nature or genre of the resource Article Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Bharathi A.P., Department of Mathematics, Christ University, Bengaluru, 560029, India; Choudum S.A., Guest Faculty, Department of Mathematics, Christ University, Bengaluru, 560029, India