{"id":"https://openalex.org/W2020081569","doi":"https://doi.org/10.1016/s0012-365x(03)00103-1","title":"Kernels in pretransitive digraphs","display_name":"Kernels in pretransitive digraphs","publication_year":2003,"publication_date":"2003-06-20","ids":{"openalex":"https://openalex.org/W2020081569","doi":"https://doi.org/10.1016/s0012-365x(03)00103-1","mag":"2020081569"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(03)00103-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(03)00103-1","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/A5029325738","display_name":"Hortensia Galeana\u2010S\u00e1nchez","orcid":"https://orcid.org/0000-0002-5744-8880"},"institutions":[{"id":"https://openalex.org/I8961855","display_name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico","ror":"https://ror.org/01tmp8f25","country_code":"MX","type":"education","lineage":["https://openalex.org/I8961855"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"Hortensia Galeana-S\u00e1nchez","raw_affiliation_strings":["Instituto de Matem\u00e1ticas, UNAM, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad Universitaria, M\u00e9xico, D.F. 04510, Mexico","Instituto de Matem\u00e1ticas, UNAM, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad Universitaria, M\u00e9xico, D.F. 04510, Mexico#TAB#"],"affiliations":[{"raw_affiliation_string":"Instituto de Matem\u00e1ticas, UNAM, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad Universitaria, M\u00e9xico, D.F. 04510, Mexico","institution_ids":["https://openalex.org/I8961855"]},{"raw_affiliation_string":"Instituto de Matem\u00e1ticas, UNAM, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad Universitaria, M\u00e9xico, D.F. 04510, Mexico#TAB#","institution_ids":["https://openalex.org/I8961855"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085276782","display_name":"Roc\u0131\u0301o Rojas-Monroy","orcid":"https://orcid.org/0000-0003-2531-5474"},"institutions":[{"id":"https://openalex.org/I179647637","display_name":"Universidad Aut\u00f3noma del Estado de M\u00e9xico","ror":"https://ror.org/0079gpv38","country_code":"MX","type":"education","lineage":["https://openalex.org/I179647637"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Roc\u00edo Rojas-Monroy","raw_affiliation_strings":["Facultad de Ciencias, Universidad Aut\u00f3noma del Estado de M\u00e9xico, Instituto Literario No. 100, Centro 50000, Toluca, Edo. de M\u00e9x., Mexico","Facultad de Ciencias, Universidad Aut\u00f3noma del Estado de M\u00e9xico, Instituto Literario No. 100, Centro 50000, Toluca, Edo. de M\u00e9x., Mexico#TAB#"],"affiliations":[{"raw_affiliation_string":"Facultad de Ciencias, Universidad Aut\u00f3noma del Estado de M\u00e9xico, Instituto Literario No. 100, Centro 50000, Toluca, Edo. de M\u00e9x., Mexico","institution_ids":["https://openalex.org/I179647637"]},{"raw_affiliation_string":"Facultad de Ciencias, Universidad Aut\u00f3noma del Estado de M\u00e9xico, Instituto Literario No. 100, Centro 50000, Toluca, Edo. de M\u00e9x., Mexico#TAB#","institution_ids":["https://openalex.org/I179647637"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5029325738"],"corresponding_institution_ids":["https://openalex.org/I8961855"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.7331,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.70712131,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"275","issue":"1-3","first_page":"129","last_page":"136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9995999932289124,"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":0.9995999932289124,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9947999715805054,"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":0.9943000078201294,"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/digraph","display_name":"Digraph","score":0.9559169411659241},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.8571535348892212},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8534641861915588},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.547720193862915},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.46181121468544006},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4545951187610626},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.04292377829551697}],"concepts":[{"id":"https://openalex.org/C2779145032","wikidata":"https://www.wikidata.org/wiki/Q191494","display_name":"Digraph","level":2,"score":0.9559169411659241},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.8571535348892212},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8534641861915588},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.547720193862915},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.46181121468544006},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4545951187610626},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.04292377829551697},{"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/s0012-365x(03)00103-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(03)00103-1","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W198124755","https://openalex.org/W1984749880","https://openalex.org/W2019030315","https://openalex.org/W2041862945","https://openalex.org/W2048993351","https://openalex.org/W2069612071","https://openalex.org/W2088005660","https://openalex.org/W2144846366","https://openalex.org/W2313512971","https://openalex.org/W3027820740"],"related_works":["https://openalex.org/W2038088825","https://openalex.org/W1975203667","https://openalex.org/W2370328482","https://openalex.org/W4287882779","https://openalex.org/W2046896701","https://openalex.org/W4378505325","https://openalex.org/W2740008481","https://openalex.org/W2765600275","https://openalex.org/W4300501056","https://openalex.org/W3037911602"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}