{"id":"https://openalex.org/W4388945416","doi":"https://doi.org/10.1007/s00373-023-02723-y","title":"The Chromatic Number of a Graph with Two Odd Holes and an Odd Girth","display_name":"The Chromatic Number of a Graph with Two Odd Holes and an Odd Girth","publication_year":2023,"publication_date":"2023-11-23","ids":{"openalex":"https://openalex.org/W4388945416","doi":"https://doi.org/10.1007/s00373-023-02723-y"},"language":"en","primary_location":{"id":"doi:10.1007/s00373-023-02723-y","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1007/s00373-023-02723-y","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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":"Graphs and Combinatorics","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/A5072441285","display_name":"Kaiyang Lan","orcid":"https://orcid.org/0000-0002-2739-9053"},"institutions":[{"id":"https://openalex.org/I80947539","display_name":"Fuzhou University","ror":"https://ror.org/011xvna82","country_code":"CN","type":"education","lineage":["https://openalex.org/I80947539"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaiyang Lan","raw_affiliation_strings":["Center for Discrete Mathematics, Fuzhou University, Fujian, 350003, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Discrete Mathematics, Fuzhou University, Fujian, 350003, China","institution_ids":["https://openalex.org/I80947539"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085891781","display_name":"Feng Liu","orcid":"https://orcid.org/0000-0002-5289-5761"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Feng Liu","raw_affiliation_strings":["Department of Mathematics, East China Normal University, Shanghai, 200241, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, East China Normal University, Shanghai, 200241, China","institution_ids":["https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5085891781"],"corresponding_institution_ids":["https://openalex.org/I66867065"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.1727,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.55594246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"39","issue":"6","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9987000226974487,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9986000061035156,"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":0.8684103488922119},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8180898427963257},{"id":"https://openalex.org/keywords/girth","display_name":"Girth (graph theory)","score":0.6475030779838562},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5926141142845154},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.5515048503875732},{"id":"https://openalex.org/keywords/odd-graph","display_name":"Odd graph","score":0.4689072370529175},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.43266233801841736},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.39386850595474243},{"id":"https://openalex.org/keywords/chordal-graph","display_name":"Chordal graph","score":0.06283563375473022},{"id":"https://openalex.org/keywords/1-planar-graph","display_name":"1-planar graph","score":0.06157892942428589}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8684103488922119},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8180898427963257},{"id":"https://openalex.org/C2777434295","wikidata":"https://www.wikidata.org/wiki/Q959831","display_name":"Girth (graph theory)","level":2,"score":0.6475030779838562},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5926141142845154},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.5515048503875732},{"id":"https://openalex.org/C206815938","wikidata":"https://www.wikidata.org/wiki/Q7077445","display_name":"Odd graph","level":5,"score":0.4689072370529175},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.43266233801841736},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.39386850595474243},{"id":"https://openalex.org/C160446614","wikidata":"https://www.wikidata.org/wiki/Q1322892","display_name":"Chordal graph","level":3,"score":0.06283563375473022},{"id":"https://openalex.org/C102192266","wikidata":"https://www.wikidata.org/wiki/Q4545823","display_name":"1-planar graph","level":4,"score":0.06157892942428589},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00373-023-02723-y","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1007/s00373-023-02723-y","pdf_url":null,"source":{"id":"https://openalex.org/S186126824","display_name":"Graphs and Combinatorics","issn_l":"0911-0119","issn":["0911-0119","1435-5914"],"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":"Graphs and Combinatorics","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":8,"referenced_works":["https://openalex.org/W1507699851","https://openalex.org/W1582204707","https://openalex.org/W1974811277","https://openalex.org/W2766027452","https://openalex.org/W4232896595","https://openalex.org/W4312054625","https://openalex.org/W4313826591","https://openalex.org/W6601132449"],"related_works":["https://openalex.org/W1488300609","https://openalex.org/W3212819824","https://openalex.org/W4297803167","https://openalex.org/W1964418275","https://openalex.org/W3178681420","https://openalex.org/W3167562836","https://openalex.org/W2094898130","https://openalex.org/W1653539840","https://openalex.org/W2147779969","https://openalex.org/W1484027990"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-01-20T23:28:44.954186","created_date":"2025-10-10T00:00:00"}