{"id":"https://openalex.org/W1983199480","doi":"https://doi.org/10.1007/bf01303206","title":"On kernels in perfect graphs","display_name":"On kernels in perfect graphs","publication_year":1993,"publication_date":"1993-06-01","ids":{"openalex":"https://openalex.org/W1983199480","doi":"https://doi.org/10.1007/bf01303206","mag":"1983199480"},"language":"en","primary_location":{"id":"doi:10.1007/bf01303206","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01303206","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","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/A5085691353","display_name":"Mostafa Blidia","orcid":null},"institutions":[{"id":"https://openalex.org/I83332908","display_name":"University of Blida","ror":"https://ror.org/03g41pw14","country_code":"DZ","type":"education","lineage":["https://openalex.org/I83332908"]}],"countries":["DZ"],"is_corresponding":true,"raw_author_name":"M. Blidia","raw_affiliation_strings":["University of Blida, Algeria"],"affiliations":[{"raw_affiliation_string":"University of Blida, Algeria","institution_ids":["https://openalex.org/I83332908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082527853","display_name":"Pierre Duchet","orcid":null},"institutions":[{"id":"https://openalex.org/I1280339224","display_name":"United States Nuclear Regulatory Commission","ror":"https://ror.org/03nhmbj89","country_code":"US","type":"government","lineage":["https://openalex.org/I1280339224"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"P. Duchet","raw_affiliation_strings":["C. N. R. S., Grenoble"],"affiliations":[{"raw_affiliation_string":"C. N. R. S., Grenoble","institution_ids":["https://openalex.org/I1280339224"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064579274","display_name":"Fr\u00e9d\u00e9ric Maffray","orcid":"https://orcid.org/0000-0002-8265-0415"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"F. Maffray","raw_affiliation_strings":["C. N. R. S. LSD2-IMAG, BP 53X, 38041, Grenoble Cedex, France","C. N. R. S. LSD2-IMAG, Grenoble Cedex, France"],"affiliations":[{"raw_affiliation_string":"C. N. R. S. LSD2-IMAG, BP 53X, 38041, Grenoble Cedex, France","institution_ids":[]},{"raw_affiliation_string":"C. N. R. S. LSD2-IMAG, Grenoble Cedex, France","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5085691353"],"corresponding_institution_ids":["https://openalex.org/I83332908"],"apc_list":null,"apc_paid":null,"fwci":1.0461,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.74410698,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"13","issue":"2","first_page":"231","last_page":"233"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9998999834060669,"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":0.9998999834060669,"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/T12541","display_name":"Graph Labeling and Dimension Problems","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":0.9965999722480774,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8865717649459839},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.8567386865615845},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.6878142952919006},{"id":"https://openalex.org/keywords/counterexample","display_name":"Counterexample","score":0.6394025683403015},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4783484637737274},{"id":"https://openalex.org/keywords/perfect-graph","display_name":"Perfect graph","score":0.47274526953697205},{"id":"https://openalex.org/keywords/clique","display_name":"Clique","score":0.4707546830177307},{"id":"https://openalex.org/keywords/perfect-graph-theorem","display_name":"Perfect graph theorem","score":0.4610641896724701},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4272177219390869},{"id":"https://openalex.org/keywords/pathwidth","display_name":"Pathwidth","score":0.1608276665210724},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.147850900888443}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8865717649459839},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8567386865615845},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.6878142952919006},{"id":"https://openalex.org/C162838799","wikidata":"https://www.wikidata.org/wiki/Q596077","display_name":"Counterexample","level":2,"score":0.6394025683403015},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4783484637737274},{"id":"https://openalex.org/C32972407","wikidata":"https://www.wikidata.org/wiki/Q1187620","display_name":"Perfect graph","level":5,"score":0.47274526953697205},{"id":"https://openalex.org/C2777035058","wikidata":"https://www.wikidata.org/wiki/Q1662634","display_name":"Clique","level":2,"score":0.4707546830177307},{"id":"https://openalex.org/C161487630","wikidata":"https://www.wikidata.org/wiki/Q2800071","display_name":"Perfect graph theorem","level":5,"score":0.4610641896724701},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4272177219390869},{"id":"https://openalex.org/C43517604","wikidata":"https://www.wikidata.org/wiki/Q7144893","display_name":"Pathwidth","level":4,"score":0.1608276665210724},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.147850900888443}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf01303206","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01303206","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W198124755","https://openalex.org/W1983523720","https://openalex.org/W2028515467","https://openalex.org/W2048993351","https://openalex.org/W2084399079","https://openalex.org/W2095492932","https://openalex.org/W4231086919"],"related_works":["https://openalex.org/W2990033752","https://openalex.org/W2887840724","https://openalex.org/W2768594358","https://openalex.org/W2082273239","https://openalex.org/W2047144877","https://openalex.org/W4226523359","https://openalex.org/W4290190164","https://openalex.org/W2027653655","https://openalex.org/W2089618463","https://openalex.org/W199404365"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}