{"id":"https://openalex.org/W1984098916","doi":"https://doi.org/10.1016/0095-8956(80)90090-8","title":"Critical hypergraphs for the weak chromatic number","display_name":"Critical hypergraphs for the weak chromatic number","publication_year":1980,"publication_date":"1980-12-01","ids":{"openalex":"https://openalex.org/W1984098916","doi":"https://doi.org/10.1016/0095-8956(80)90090-8","mag":"1984098916"},"language":"en","primary_location":{"id":"doi:10.1016/0095-8956(80)90090-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0095-8956(80)90090-8","pdf_url":null,"source":{"id":"https://openalex.org/S2939117604","display_name":"Journal of Combinatorial Theory Series B","issn_l":"0095-8956","issn":["0095-8956","1096-0902"],"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":"Journal of Combinatorial Theory, Series B","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/A5072495508","display_name":"C. Benzaken","orcid":null},"institutions":[{"id":"https://openalex.org/I899635006","display_name":"Universit\u00e9 Grenoble Alpes","ror":"https://ror.org/02rx3b187","country_code":"FR","type":"education","lineage":["https://openalex.org/I899635006"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"C Benzaken","raw_affiliation_strings":["I.R.M.A., Universit\u00e9 1, B.P. 53X, 38041 Grenoble Cedex, France"],"affiliations":[{"raw_affiliation_string":"I.R.M.A., Universit\u00e9 1, B.P. 53X, 38041 Grenoble Cedex, France","institution_ids":["https://openalex.org/I899635006"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5072495508"],"corresponding_institution_ids":["https://openalex.org/I899635006"],"apc_list":{"value":3420,"currency":"USD","value_usd":3420},"apc_paid":null,"fwci":1.0922,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.75821252,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"29","issue":"3","first_page":"328","last_page":"338"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9642999768257141,"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"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9642999768257141,"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/hypergraph","display_name":"Hypergraph","score":0.9096954464912415},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.8482041358947754},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6986945867538452},{"id":"https://openalex.org/keywords/critical-graph","display_name":"Critical graph","score":0.6055211424827576},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6031913161277771},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.5744810104370117},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4907566010951996},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.42135465145111084},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4165530204772949},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.21687734127044678},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.08197328448295593}],"concepts":[{"id":"https://openalex.org/C2781221856","wikidata":"https://www.wikidata.org/wiki/Q840247","display_name":"Hypergraph","level":2,"score":0.9096954464912415},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.8482041358947754},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6986945867538452},{"id":"https://openalex.org/C167750561","wikidata":"https://www.wikidata.org/wiki/Q1789512","display_name":"Critical graph","level":5,"score":0.6055211424827576},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6031913161277771},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.5744810104370117},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4907566010951996},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.42135465145111084},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4165530204772949},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.21687734127044678},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.08197328448295593},{"id":"https://openalex.org/C149530733","wikidata":"https://www.wikidata.org/wiki/Q5597091","display_name":"Graph power","level":4,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0095-8956(80)90090-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0095-8956(80)90090-8","pdf_url":null,"source":{"id":"https://openalex.org/S2939117604","display_name":"Journal of Combinatorial Theory Series B","issn_l":"0095-8956","issn":["0095-8956","1096-0902"],"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":"Journal of Combinatorial Theory, Series B","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":6,"referenced_works":["https://openalex.org/W1963546492","https://openalex.org/W1971849303","https://openalex.org/W2065796538","https://openalex.org/W2785324924","https://openalex.org/W6748073210","https://openalex.org/W6982873461"],"related_works":["https://openalex.org/W3188963412","https://openalex.org/W2095029003","https://openalex.org/W4309954090","https://openalex.org/W98770169","https://openalex.org/W2010767921","https://openalex.org/W1977037154","https://openalex.org/W2060698513","https://openalex.org/W1965027147","https://openalex.org/W2104364550","https://openalex.org/W1969835237"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
