{"id":"https://openalex.org/W2021295231","doi":"https://doi.org/10.1016/0012-365x(92)90642-s","title":"On a conjecture of Gallai concerning complete subgraphs of k-critical graphs","display_name":"On a conjecture of Gallai concerning complete subgraphs of k-critical graphs","publication_year":1992,"publication_date":"1992-05-01","ids":{"openalex":"https://openalex.org/W2021295231","doi":"https://doi.org/10.1016/0012-365x(92)90642-s","mag":"2021295231"},"language":"en","primary_location":{"id":"doi:10.1016/0012-365x(92)90642-s","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(92)90642-s","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/A5085899996","display_name":"H. L. Abbott","orcid":null},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"H.L. Abbott","raw_affiliation_strings":["Department of Mathematics, University of Alberta, Edmonton, Alta., Canada T6G 2G1,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Alberta, Edmonton, Alta., Canada T6G 2G1,","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026221177","display_name":"Bing Zhou","orcid":"https://orcid.org/0000-0003-2634-1527"},"institutions":[{"id":"https://openalex.org/I662221","display_name":"Trent University","ror":"https://ror.org/03ygmq230","country_code":"CA","type":"education","lineage":["https://openalex.org/I662221"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"B. Zhou","raw_affiliation_strings":["Department of Mathematics, Trent University, Peterborough, Ont., Canada K9J 7B8,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Trent University, Peterborough, Ont., Canada K9J 7B8,","institution_ids":["https://openalex.org/I662221"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":1.6406,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.8066605,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"100","issue":"1-3","first_page":"223","last_page":"228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11329","display_name":"Limits and Structures in Graph Theory","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11329","display_name":"Limits and Structures in Graph Theory","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9868999719619751,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9506999850273132,"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/combinatorics","display_name":"Combinatorics","score":0.8392132520675659},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8275288939476013},{"id":"https://openalex.org/keywords/conjecture","display_name":"Conjecture","score":0.7652897834777832},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5213257670402527},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.47204598784446716},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.42873504757881165},{"id":"https://openalex.org/keywords/cograph","display_name":"Cograph","score":0.4210979640483856},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.42059099674224854},{"id":"https://openalex.org/keywords/pathwidth","display_name":"Pathwidth","score":0.28208184242248535},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.14310017228126526}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8392132520675659},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8275288939476013},{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.7652897834777832},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5213257670402527},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.47204598784446716},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.42873504757881165},{"id":"https://openalex.org/C59824394","wikidata":"https://www.wikidata.org/wiki/Q5141281","display_name":"Cograph","level":5,"score":0.4210979640483856},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.42059099674224854},{"id":"https://openalex.org/C43517604","wikidata":"https://www.wikidata.org/wiki/Q7144893","display_name":"Pathwidth","level":4,"score":0.28208184242248535},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.14310017228126526},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0012-365x(92)90642-s","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(92)90642-s","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1996680278","https://openalex.org/W2015587012","https://openalex.org/W2077247424"],"related_works":["https://openalex.org/W3178681420","https://openalex.org/W2079856162","https://openalex.org/W1978588354","https://openalex.org/W416686103","https://openalex.org/W2397003135","https://openalex.org/W2089190973","https://openalex.org/W2117848356","https://openalex.org/W2045381948","https://openalex.org/W2032950096","https://openalex.org/W1593573721"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}