{"id":"https://openalex.org/W1989431443","doi":"https://doi.org/10.1007/s00453-009-9295-2","title":"Fast 3-coloring Triangle-Free Planar Graphs","display_name":"Fast 3-coloring Triangle-Free Planar Graphs","publication_year":2009,"publication_date":"2009-03-04","ids":{"openalex":"https://openalex.org/W1989431443","doi":"https://doi.org/10.1007/s00453-009-9295-2","mag":"1989431443"},"language":"en","primary_location":{"id":"doi:10.1007/s00453-009-9295-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-009-9295-2","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"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":"Algorithmica","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/A5084157220","display_name":"\u0141ukasz Kowalik","orcid":"https://orcid.org/0000-0002-7546-2969"},"institutions":[{"id":"https://openalex.org/I4654613","display_name":"University of Warsaw","ror":"https://ror.org/039bjqg32","country_code":"PL","type":"education","lineage":["https://openalex.org/I4654613"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Lukasz Kowalik","raw_affiliation_strings":["Institute of Informatics, University of Warsaw, Banacha 2, 02-097, Warsaw, Poland","University of Warsaw"],"affiliations":[{"raw_affiliation_string":"Institute of Informatics, University of Warsaw, Banacha 2, 02-097, Warsaw, Poland","institution_ids":["https://openalex.org/I4654613"]},{"raw_affiliation_string":"University of Warsaw","institution_ids":["https://openalex.org/I4654613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5084157220"],"corresponding_institution_ids":["https://openalex.org/I4654613"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.7076,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.69749271,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"58","issue":"3","first_page":"770","last_page":"789"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9991000294685364,"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":0.9991000294685364,"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/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T11797","display_name":"graph theory and CDMA systems","score":0.9940999746322632,"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/combinatorics","display_name":"Combinatorics","score":0.8450084924697876},{"id":"https://openalex.org/keywords/planar-graph","display_name":"Planar graph","score":0.720001757144928},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6557677984237671},{"id":"https://openalex.org/keywords/planar-straight-line-graph","display_name":"Planar straight-line graph","score":0.5509006381034851},{"id":"https://openalex.org/keywords/graph-coloring","display_name":"Graph coloring","score":0.49785757064819336},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4875766634941101},{"id":"https://openalex.org/keywords/edge-coloring","display_name":"Edge coloring","score":0.4704933166503906},{"id":"https://openalex.org/keywords/outerplanar-graph","display_name":"Outerplanar graph","score":0.44323253631591797},{"id":"https://openalex.org/keywords/colored","display_name":"Colored","score":0.42985400557518005},{"id":"https://openalex.org/keywords/planar","display_name":"Planar","score":0.42662203311920166},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.3791651129722595},{"id":"https://openalex.org/keywords/1-planar-graph","display_name":"1-planar graph","score":0.35775330662727356},{"id":"https://openalex.org/keywords/pathwidth","display_name":"Pathwidth","score":0.26613783836364746},{"id":"https://openalex.org/keywords/chordal-graph","display_name":"Chordal graph","score":0.26296642422676086},{"id":"https://openalex.org/keywords/graph-power","display_name":"Graph power","score":0.23280104994773865},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.18601620197296143},{"id":"https://openalex.org/keywords/line-graph","display_name":"Line graph","score":0.11301547288894653}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8450084924697876},{"id":"https://openalex.org/C101837359","wikidata":"https://www.wikidata.org/wiki/Q547823","display_name":"Planar graph","level":3,"score":0.720001757144928},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6557677984237671},{"id":"https://openalex.org/C131930043","wikidata":"https://www.wikidata.org/wiki/Q7200964","display_name":"Planar straight-line graph","level":5,"score":0.5509006381034851},{"id":"https://openalex.org/C76946457","wikidata":"https://www.wikidata.org/wiki/Q504843","display_name":"Graph coloring","level":3,"score":0.49785757064819336},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4875766634941101},{"id":"https://openalex.org/C123809776","wikidata":"https://www.wikidata.org/wiki/Q1050972","display_name":"Edge coloring","level":5,"score":0.4704933166503906},{"id":"https://openalex.org/C125792925","wikidata":"https://www.wikidata.org/wiki/Q3115604","display_name":"Outerplanar graph","level":5,"score":0.44323253631591797},{"id":"https://openalex.org/C2778307483","wikidata":"https://www.wikidata.org/wiki/Q5149038","display_name":"Colored","level":2,"score":0.42985400557518005},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.42662203311920166},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.3791651129722595},{"id":"https://openalex.org/C102192266","wikidata":"https://www.wikidata.org/wiki/Q4545823","display_name":"1-planar graph","level":4,"score":0.35775330662727356},{"id":"https://openalex.org/C43517604","wikidata":"https://www.wikidata.org/wiki/Q7144893","display_name":"Pathwidth","level":4,"score":0.26613783836364746},{"id":"https://openalex.org/C160446614","wikidata":"https://www.wikidata.org/wiki/Q1322892","display_name":"Chordal graph","level":3,"score":0.26296642422676086},{"id":"https://openalex.org/C149530733","wikidata":"https://www.wikidata.org/wiki/Q5597091","display_name":"Graph power","level":4,"score":0.23280104994773865},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.18601620197296143},{"id":"https://openalex.org/C203776342","wikidata":"https://www.wikidata.org/wiki/Q1378376","display_name":"Line graph","level":3,"score":0.11301547288894653},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00453-009-9295-2","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00453-009-9295-2","pdf_url":null,"source":{"id":"https://openalex.org/S89324355","display_name":"Algorithmica","issn_l":"0178-4617","issn":["0178-4617","1432-0541"],"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":"Algorithmica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1479863711","https://openalex.org/W1492250485","https://openalex.org/W1538322112","https://openalex.org/W1551315586","https://openalex.org/W1830275774","https://openalex.org/W1974811277","https://openalex.org/W1989102235","https://openalex.org/W2008383657","https://openalex.org/W2030087828","https://openalex.org/W2030781850","https://openalex.org/W2033177498","https://openalex.org/W2057876040","https://openalex.org/W2068243119","https://openalex.org/W2104261748","https://openalex.org/W2164648353","https://openalex.org/W2185344806","https://openalex.org/W2502604459","https://openalex.org/W2571400513","https://openalex.org/W2752885492","https://openalex.org/W3145128584"],"related_works":["https://openalex.org/W2527418013","https://openalex.org/W2009558719","https://openalex.org/W2045730620","https://openalex.org/W2395770054","https://openalex.org/W43225448","https://openalex.org/W2963028755","https://openalex.org/W4327673321","https://openalex.org/W2133160845","https://openalex.org/W4255751875","https://openalex.org/W2413835308"],"abstract_inverted_index":null,"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
