{"id":"https://openalex.org/W2054514119","doi":"https://doi.org/10.1016/0020-0190(91)90016-b","title":"A counterexample for the sufficiency of edge guards in star polygons","display_name":"A counterexample for the sufficiency of edge guards in star polygons","publication_year":1991,"publication_date":"1991-10-01","ids":{"openalex":"https://openalex.org/W2054514119","doi":"https://doi.org/10.1016/0020-0190(91)90016-b","mag":"2054514119"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(91)90016-b","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5083381694","display_name":"R.V. Subramaniyam","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R.V. Subramaniyam","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology, Powai, Bombay 400 076 India"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology, Powai, Bombay 400 076 India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041941673","display_name":"Ajit A. Diwan","orcid":"https://orcid.org/0000-0001-9381-7164"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A.A. Diwan","raw_affiliation_strings":["Department of Computer Science and Engineering, Indian Institute of Technology, Powai, Bombay 400 076 India"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Indian Institute of Technology, Powai, Bombay 400 076 India","institution_ids":["https://openalex.org/I162827531"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2200,"currency":"USD","value_usd":2200,"provenance":"doaj"},"apc_paid":null,"fwci":0.0,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":1,"citation_normalized_percentile":{"value":0.374464,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":53,"max":61},"biblio":{"volume":"40","issue":"2","first_page":"97","last_page":"99"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10996","display_name":"Mesh Generation Algorithms","score":0.998,"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":"Mesh Generation Algorithms","score":0.998,"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/T11245","display_name":"Isogeometric Analysis in Computational Engineering","score":0.9897,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10571","display_name":"Kinematic and Dynamic Analysis of Robot Manipulators","score":0.9816,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/counterexample","display_name":"Counterexample","score":0.66925293},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.62428033},{"id":"https://openalex.org/keywords/star","display_name":"Star (game theory)","score":0.59723103},{"id":"https://openalex.org/keywords/guard","display_name":"Guard (computer science)","score":0.592332}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7054405},{"id":"https://openalex.org/C162838799","wikidata":"https://www.wikidata.org/wiki/Q596077","display_name":"Counterexample","level":2,"score":0.66925293},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.62428033},{"id":"https://openalex.org/C2780897414","wikidata":"https://www.wikidata.org/wiki/Q7600592","display_name":"Star (game theory)","level":2,"score":0.59723103},{"id":"https://openalex.org/C141141315","wikidata":"https://www.wikidata.org/wiki/Q2379942","display_name":"Guard (computer science)","level":2,"score":0.592332},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.56251967},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4488221},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43227565},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.14623994},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1105206},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.07289302},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(91)90016-b","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":1,"referenced_works":["https://openalex.org/W2094658339"],"related_works":["https://openalex.org/W4389574038","https://openalex.org/W4387718369","https://openalex.org/W3204670144","https://openalex.org/W3014450817","https://openalex.org/W2587222766","https://openalex.org/W2349952486","https://openalex.org/W2163101548","https://openalex.org/W1988934358","https://openalex.org/W1547366466","https://openalex.org/W1489260687"],"abstract_inverted_index":{"It":[0],"has":[1,27],"been":[2],"established":[3],"by":[4],"Toussaint":[5],"that":[6,37],"\u230an\u29f85\u230b":[7,38],"edge":[8,22],"guards":[9,23,39],"are":[10,24,40],"necessary":[11],"for":[12],"guarding":[13],"a":[14,45],"star":[15,46],"polygon":[16,47],"of":[17,48],"n-vertices.":[18,49],"Whether":[19],"this":[20,35],"many":[21],"always":[25],"sufficient":[26,42],"remained":[28],"an":[29],"open":[30],"problem.":[31],"We":[32],"show":[33],"in":[34],"paper":[36],"not":[41],"to":[43],"guard":[44]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2054514119","counts_by_year":[],"updated_date":"2024-09-26T21:41:35.783812","created_date":"2016-06-24"}
