{"id":"https://openalex.org/W1973263291","doi":"https://doi.org/10.1016/0012-365x(91)90373-a","title":"New properties of perfectly orderable graphs and strongly perfect graphs","display_name":"New properties of perfectly orderable graphs and strongly perfect graphs","publication_year":1991,"publication_date":"1991-12-01","ids":{"openalex":"https://openalex.org/W1973263291","doi":"https://doi.org/10.1016/0012-365x(91)90373-a","mag":"1973263291"},"language":"en","primary_location":{"id":"doi:10.1016/0012-365x(91)90373-a","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(91)90373-a","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088012278","display_name":"Ch\u0131\u0301nh T. Ho\u00e0ng","orcid":"https://orcid.org/0000-0001-6782-1194"},"institutions":[{"id":"https://openalex.org/I135140700","display_name":"University of Bonn","ror":"https://ror.org/041nas322","country_code":"DE","type":"education","lineage":["https://openalex.org/I135140700"]},{"id":"https://openalex.org/I72541430","display_name":"Lakehead University","ror":"https://ror.org/023p7mg82","country_code":"CA","type":"education","lineage":["https://openalex.org/I72541430"]}],"countries":["CA","DE"],"is_corresponding":false,"raw_author_name":"Ch\u00ednh T. Ho\u00e0ng","raw_affiliation_strings":["Current address: Department of Mathematics Sciences, Lakehead University, Thunder Bay, Ont., Canada P7B 5E1","Institut f\u00fcr \u00d6konometrie und Operations Research, Universit\u00e4t Bonn, Nassestrasse 2, W-5300 Bonn 1, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Current address: Department of Mathematics Sciences, Lakehead University, Thunder Bay, Ont., Canada P7B 5E1","institution_ids":["https://openalex.org/I72541430"]},{"raw_affiliation_string":"Institut f\u00fcr \u00d6konometrie und Operations Research, Universit\u00e4t Bonn, Nassestrasse 2, W-5300 Bonn 1, Germany","institution_ids":["https://openalex.org/I135140700"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064579274","display_name":"Fr\u00e9d\u00e9ric Maffray","orcid":"https://orcid.org/0000-0002-8265-0415"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fr\u00e9d\u00e9ric Maffray","raw_affiliation_strings":["RUTCOR, Rutgers Center for Operations Research, Hill Center, Busch Campus, Rutgers University, New Brunswick, NJ 08903, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"RUTCOR, Rutgers Center for Operations Research, Hill Center, Busch Campus, Rutgers University, New Brunswick, NJ 08903, USA#TAB#","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034533216","display_name":"Myriam Preissmann","orcid":"https://orcid.org/0000-0002-3484-6755"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Myriam Preissmann","raw_affiliation_strings":["CNRS, Laboratoire ARTEMIS, IMAG, BP 53 X, 38041 Grenoble Cedex, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNRS, Laboratoire ARTEMIS, IMAG, BP 53 X, 38041 Grenoble Cedex, France","institution_ids":["https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.09577178,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"biblio":{"volume":"98","issue":"3","first_page":"161","last_page":"174"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11476","display_name":"Graph theory and applications","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8435373306274414},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6540518999099731},{"id":"https://openalex.org/keywords/chordal-graph","display_name":"Chordal graph","score":0.5082575678825378},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4931442141532898},{"id":"https://openalex.org/keywords/indifference-graph","display_name":"Indifference graph","score":0.4764140844345093},{"id":"https://openalex.org/keywords/cograph","display_name":"Cograph","score":0.45862454175949097},{"id":"https://openalex.org/keywords/1-planar-graph","display_name":"1-planar graph","score":0.27532055974006653},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.2390352189540863}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8435373306274414},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6540518999099731},{"id":"https://openalex.org/C160446614","wikidata":"https://www.wikidata.org/wiki/Q1322892","display_name":"Chordal graph","level":3,"score":0.5082575678825378},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4931442141532898},{"id":"https://openalex.org/C74133993","wikidata":"https://www.wikidata.org/wiki/Q3115472","display_name":"Indifference graph","level":3,"score":0.4764140844345093},{"id":"https://openalex.org/C59824394","wikidata":"https://www.wikidata.org/wiki/Q5141281","display_name":"Cograph","level":5,"score":0.45862454175949097},{"id":"https://openalex.org/C102192266","wikidata":"https://www.wikidata.org/wiki/Q4545823","display_name":"1-planar graph","level":4,"score":0.27532055974006653},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.2390352189540863}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0012-365x(91)90373-a","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(91)90373-a","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discrete Mathematics","raw_type":"journal-article"},{"id":"pmh:hdl:10068/178759","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/178759","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"I - Miscellaneous"},{"id":"pmh:hdl:10068/226564","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/226564","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"I - Miscellaneous"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W163386900","https://openalex.org/W198869600","https://openalex.org/W1988149074","https://openalex.org/W2006942360","https://openalex.org/W2062069600","https://openalex.org/W6608034081","https://openalex.org/W6652206459","https://openalex.org/W6665965759"],"related_works":["https://openalex.org/W2083238533","https://openalex.org/W2061237693","https://openalex.org/W4220852510","https://openalex.org/W2028363955","https://openalex.org/W4385327816","https://openalex.org/W3139101777","https://openalex.org/W603403972","https://openalex.org/W2949743119","https://openalex.org/W2397003135","https://openalex.org/W2117848356"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
