{"id":"https://openalex.org/W4411179317","doi":"https://doi.org/10.1016/j.dam.2025.05.030","title":"A note on prime distance graphs with chromatic number 3 or 4","display_name":"A note on prime distance graphs with chromatic number 3 or 4","publication_year":2025,"publication_date":"2025-06-10","ids":{"openalex":"https://openalex.org/W4411179317","doi":"https://doi.org/10.1016/j.dam.2025.05.030"},"language":"en","primary_location":{"id":"doi:10.1016/j.dam.2025.05.030","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dam.2025.05.030","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied 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/A5118116673","display_name":"J. George Barnabas","orcid":null},"institutions":[{"id":"https://openalex.org/I98499257","display_name":"Kalasalingam Academy of Research and Education","ror":"https://ror.org/04fm2fn75","country_code":"IN","type":"education","lineage":["https://openalex.org/I98499257"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"J. George Barnabas","raw_affiliation_strings":["Department of Mathematics, Kalasalingam Academy of Research and Education, Krishnankoil, 626126, Tamilnadu, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Kalasalingam Academy of Research and Education, Krishnankoil, 626126, Tamilnadu, India","institution_ids":["https://openalex.org/I98499257"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090321070","display_name":"V. Yegnanarayanan","orcid":"https://orcid.org/0000-0001-9798-8825"},"institutions":[{"id":"https://openalex.org/I98499257","display_name":"Kalasalingam Academy of Research and Education","ror":"https://ror.org/04fm2fn75","country_code":"IN","type":"education","lineage":["https://openalex.org/I98499257"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Yegnanarayanan Venkataraman","raw_affiliation_strings":["Department of Mathematics, Kalasalingam Academy of Research and Education, Krishnankoil, 626126, Tamilnadu, India"],"raw_orcid":"https://orcid.org/0000-0001-9798-8825","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Kalasalingam Academy of Research and Education, Krishnankoil, 626126, Tamilnadu, India","institution_ids":["https://openalex.org/I98499257"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090304865","display_name":"Bryan Freyberg","orcid":null},"institutions":[{"id":"https://openalex.org/I4210115145","display_name":"University of Minnesota, Duluth","ror":"https://ror.org/01hy4qx27","country_code":"US","type":"education","lineage":["https://openalex.org/I4210115145"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bryan Freyberg","raw_affiliation_strings":["Department of Mathematics and Statistics, University of Minnesota Duluth, Duluth, 55812, MN, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Statistics, University of Minnesota Duluth, Duluth, 55812, MN, USA","institution_ids":["https://openalex.org/I4210115145"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5090321070"],"corresponding_institution_ids":["https://openalex.org/I98499257"],"apc_list":{"value":2750,"currency":"USD","value_usd":2750},"apc_paid":null,"fwci":1.3257,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.82587635,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"375","issue":null,"first_page":"38","last_page":"44"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9973000288009644,"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/T10849","display_name":"Finite Group Theory Research","score":0.9966999888420105,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8926494121551514},{"id":"https://openalex.org/keywords/chromatic-scale","display_name":"Chromatic scale","score":0.7038262486457825},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.673022985458374},{"id":"https://openalex.org/keywords/prime","display_name":"Prime (order theory)","score":0.5253397822380066},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4117528796195984}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8926494121551514},{"id":"https://openalex.org/C196956537","wikidata":"https://www.wikidata.org/wiki/Q202021","display_name":"Chromatic scale","level":2,"score":0.7038262486457825},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.673022985458374},{"id":"https://openalex.org/C184992742","wikidata":"https://www.wikidata.org/wiki/Q7243229","display_name":"Prime (order theory)","level":2,"score":0.5253397822380066},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4117528796195984}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.dam.2025.05.030","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.dam.2025.05.030","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2964128166","display_name":null,"funder_award_id":"13-07-2021","funder_id":"https://openalex.org/F4320320768","funder_display_name":"Department of Atomic Energy, Government of India"},{"id":"https://openalex.org/G5589085584","display_name":null,"funder_award_id":"02011/10/21NBHM-","funder_id":"https://openalex.org/F4320320768","funder_display_name":"Department of Atomic Energy, Government of India"}],"funders":[{"id":"https://openalex.org/F4320320768","display_name":"Department of Atomic Energy, Government of India","ror":"https://ror.org/02m388s04"},{"id":"https://openalex.org/F4320323196","display_name":"National Board for Higher Mathematics","ror":"https://ror.org/02m388s04"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1992157983","https://openalex.org/W2011433190","https://openalex.org/W2015549689","https://openalex.org/W2040155637","https://openalex.org/W2072887960","https://openalex.org/W3175711623","https://openalex.org/W3200806483","https://openalex.org/W6989853456"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2962838298","https://openalex.org/W2600246793"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-01-20T17:24:06.736184","created_date":"2025-10-10T00:00:00"}