{"id":"https://openalex.org/W1966304237","doi":"https://doi.org/10.1016/0012-365x(80)90154-5","title":"On chromatic coefficients","display_name":"On chromatic coefficients","publication_year":1980,"publication_date":"1980-01-01","ids":{"openalex":"https://openalex.org/W1966304237","doi":"https://doi.org/10.1016/0012-365x(80)90154-5","mag":"1966304237"},"language":"fr","primary_location":{"id":"doi:10.1016/0012-365x(80)90154-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(80)90154-5","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/A5111714041","display_name":"Edward J. Farrell","orcid":null},"institutions":[{"id":"https://openalex.org/I4210088717","display_name":"University of the West Indies","ror":"https://ror.org/003kgv736","country_code":"TT","type":"education","lineage":["https://openalex.org/I137799390","https://openalex.org/I4210088717"]}],"countries":["TT"],"is_corresponding":true,"raw_author_name":"E.J. Farrell","raw_affiliation_strings":["Department of Mathematics, The University of the West Indies, St. Augustine, Trinidad","Department of Mathematics, The University of the West Indies St. Augustine, Trinidad"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, The University of the West Indies, St. Augustine, Trinidad","institution_ids":["https://openalex.org/I4210088717"]},{"raw_affiliation_string":"Department of Mathematics, The University of the West Indies St. Augustine, Trinidad","institution_ids":["https://openalex.org/I4210088717"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111714041"],"corresponding_institution_ids":["https://openalex.org/I4210088717"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.5924,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.52526799,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"29","issue":"3","first_page":"257","last_page":"264"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9836999773979187,"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/T10948","display_name":"Advanced Combinatorial Mathematics","score":0.9836999773979187,"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/T11476","display_name":"Graph theory and applications","score":0.9830999970436096,"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/T12541","display_name":"Graph Labeling and Dimension Problems","score":0.9573000073432922,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8810923099517822},{"id":"https://openalex.org/keywords/chromatic-polynomial","display_name":"Chromatic polynomial","score":0.7242358922958374},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.6849581599235535},{"id":"https://openalex.org/keywords/friendship-graph","display_name":"Friendship graph","score":0.6241624355316162},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6196621060371399},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.6052044630050659},{"id":"https://openalex.org/keywords/windmill-graph","display_name":"Windmill graph","score":0.6024812459945679},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.498903751373291},{"id":"https://openalex.org/keywords/foster-graph","display_name":"Foster graph","score":0.45383456349372864},{"id":"https://openalex.org/keywords/voltage-graph","display_name":"Voltage graph","score":0.2233724296092987},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.21040138602256775}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8810923099517822},{"id":"https://openalex.org/C126385604","wikidata":"https://www.wikidata.org/wiki/Q1087609","display_name":"Chromatic polynomial","level":3,"score":0.7242358922958374},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.6849581599235535},{"id":"https://openalex.org/C70488441","wikidata":"https://www.wikidata.org/wiki/Q5504427","display_name":"Friendship graph","level":5,"score":0.6241624355316162},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6196621060371399},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.6052044630050659},{"id":"https://openalex.org/C73380178","wikidata":"https://www.wikidata.org/wiki/Q8024306","display_name":"Windmill graph","level":5,"score":0.6024812459945679},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.498903751373291},{"id":"https://openalex.org/C68996132","wikidata":"https://www.wikidata.org/wiki/Q3115485","display_name":"Foster graph","level":5,"score":0.45383456349372864},{"id":"https://openalex.org/C22149727","wikidata":"https://www.wikidata.org/wiki/Q7940747","display_name":"Voltage graph","level":4,"score":0.2233724296092987},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.21040138602256775}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0012-365x(80)90154-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(80)90154-5","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":4,"referenced_works":["https://openalex.org/W2008263650","https://openalex.org/W2032811360","https://openalex.org/W2092653160","https://openalex.org/W2332615042"],"related_works":["https://openalex.org/W4248987388","https://openalex.org/W2092041285","https://openalex.org/W2332295289","https://openalex.org/W2091414672","https://openalex.org/W2008080870","https://openalex.org/W2897657622","https://openalex.org/W2359595284","https://openalex.org/W2049992750","https://openalex.org/W2355004170","https://openalex.org/W2269219693"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
