{"id":"https://openalex.org/W1974626050","doi":"https://doi.org/10.1016/0012-365x(93)e0127-p","title":"On illuminating line segments in the plane","display_name":"On illuminating line segments in the plane","publication_year":1995,"publication_date":"1995-01-01","ids":{"openalex":"https://openalex.org/W1974626050","doi":"https://doi.org/10.1016/0012-365x(93)e0127-p","mag":"1974626050"},"language":"en","primary_location":{"id":"doi:10.1016/0012-365x(93)e0127-p","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(93)e0127-p","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/A5067736776","display_name":"Jurek Czyzowicz","orcid":"https://orcid.org/0000-0002-9026-1217"},"institutions":[{"id":"https://openalex.org/I33217400","display_name":"Universit\u00e9 du Qu\u00e9bec en Outaouais","ror":"https://ror.org/011pqxa69","country_code":"CA","type":"education","lineage":["https://openalex.org/I33217400","https://openalex.org/I49663120"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jurek Czyzowicz","raw_affiliation_strings":["Universit\u00e9 du Qu\u00e9bec \u00e0 Hull, Qu\u00e9bec, Canada J8X 2X7#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 du Qu\u00e9bec \u00e0 Hull, Qu\u00e9bec, Canada J8X 2X7#TAB#","institution_ids":["https://openalex.org/I33217400"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021431672","display_name":"Eduardo Rivera\u2010Campo","orcid":null},"institutions":[{"id":"https://openalex.org/I200362191","display_name":"Universidad Aut\u00f3noma Metropolitana","ror":"https://ror.org/02kta5139","country_code":"MX","type":"education","lineage":["https://openalex.org/I200362191"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Eduardo Rivera-Campo","raw_affiliation_strings":["Universidad Aut\u00f3noma Metropolitana-Iztapalapa, M\u00e9xico D.F. 09340, Mexico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universidad Aut\u00f3noma Metropolitana-Iztapalapa, M\u00e9xico D.F. 09340, Mexico","institution_ids":["https://openalex.org/I200362191"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068857927","display_name":"Jorge Urrutia","orcid":"https://orcid.org/0000-0002-4158-5979"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jorge Urrutia","raw_affiliation_strings":["University of Ottawa, Ottawa, Ont., Canada K1N 9B4#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Ottawa, Ottawa, Ont., Canada K1N 9B4#TAB#","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070533280","display_name":"Joseph Zaks","orcid":null},"institutions":[{"id":"https://openalex.org/I91203450","display_name":"University of Haifa","ror":"https://ror.org/02f009v59","country_code":"IL","type":"education","lineage":["https://openalex.org/I91203450"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Joseph Zaks","raw_affiliation_strings":["University of Haifa, Haifa 31905, Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Haifa, Haifa 31905, Israel","institution_ids":["https://openalex.org/I91203450"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.08971142,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"137","issue":"1-3","first_page":"147","last_page":"153"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.968500018119812,"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"}},"topics":[{"id":"https://openalex.org/T10996","display_name":"Computational Geometry and Mesh Generation","score":0.968500018119812,"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/T11830","display_name":"Point processes and geometric inequalities","score":0.941100001335144,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"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":0.7706844806671143},{"id":"https://openalex.org/keywords/line","display_name":"Line (geometry)","score":0.6519880294799805},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.6462919116020203},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.587135374546051},{"id":"https://openalex.org/keywords/line-segment","display_name":"Line segment","score":0.414470374584198},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.361288845539093},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3233431577682495}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7706844806671143},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.6519880294799805},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.6462919116020203},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.587135374546051},{"id":"https://openalex.org/C182124507","wikidata":"https://www.wikidata.org/wiki/Q166154","display_name":"Line segment","level":2,"score":0.414470374584198},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.361288845539093},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3233431577682495}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0012-365x(93)e0127-p","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(93)e0127-p","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":8,"referenced_works":["https://openalex.org/W1869699862","https://openalex.org/W1985061810","https://openalex.org/W1994048022","https://openalex.org/W2007981705","https://openalex.org/W2072606618","https://openalex.org/W2094658339","https://openalex.org/W3128040994","https://openalex.org/W6639218765"],"related_works":["https://openalex.org/W4386442742","https://openalex.org/W2353000084","https://openalex.org/W4205730002","https://openalex.org/W2942906518","https://openalex.org/W2382326160","https://openalex.org/W1623138178","https://openalex.org/W3084509788","https://openalex.org/W2357946356","https://openalex.org/W4245661658","https://openalex.org/W2159360218"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}