{"id":"https://openalex.org/W1990060107","doi":"https://doi.org/10.1016/j.endm.2009.11.019","title":"Strength of facets for the set covering and set packing polyhedra on circulant matrices","display_name":"Strength of facets for the set covering and set packing polyhedra on circulant matrices","publication_year":2009,"publication_date":"2009-12-01","ids":{"openalex":"https://openalex.org/W1990060107","doi":"https://doi.org/10.1016/j.endm.2009.11.019","mag":"1990060107"},"language":"en","primary_location":{"id":"doi:10.1016/j.endm.2009.11.019","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.endm.2009.11.019","pdf_url":null,"source":{"id":"https://openalex.org/S902237881","display_name":"Electronic Notes in Discrete Mathematics","issn_l":"1571-0653","issn":["1571-0653"],"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":"Electronic Notes in 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/A5036081417","display_name":"Silvia Bianchi","orcid":"https://orcid.org/0000-0002-1365-9408"},"institutions":[{"id":"https://openalex.org/I4141589","display_name":"National University of Rosario","ror":"https://ror.org/02tphfq59","country_code":"AR","type":"education","lineage":["https://openalex.org/I4141589"]}],"countries":["AR"],"is_corresponding":true,"raw_author_name":"S. Bianchi","raw_affiliation_strings":["Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina"],"affiliations":[{"raw_affiliation_string":"Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina","institution_ids":["https://openalex.org/I4141589"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037917005","display_name":"M.S. Montelar","orcid":null},"institutions":[{"id":"https://openalex.org/I4141589","display_name":"National University of Rosario","ror":"https://ror.org/02tphfq59","country_code":"AR","type":"education","lineage":["https://openalex.org/I4141589"]}],"countries":["AR"],"is_corresponding":true,"raw_author_name":"M.S. Montelar","raw_affiliation_strings":["Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina"],"affiliations":[{"raw_affiliation_string":"Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina","institution_ids":["https://openalex.org/I4141589"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051767087","display_name":"M. Escalante","orcid":"https://orcid.org/0000-0003-3422-9295"},"institutions":[{"id":"https://openalex.org/I151201029","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59","country_code":"AR","type":"funder","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387155568"]},{"id":"https://openalex.org/I4141589","display_name":"National University of Rosario","ror":"https://ror.org/02tphfq59","country_code":"AR","type":"education","lineage":["https://openalex.org/I4141589"]}],"countries":["AR"],"is_corresponding":true,"raw_author_name":"M. Escalante","raw_affiliation_strings":["CONICET and Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina"],"affiliations":[{"raw_affiliation_string":"CONICET and Departamento de Matem\u00e1tica, Universidad Nacional de Rosario, Rosario, Argentina","institution_ids":["https://openalex.org/I4141589","https://openalex.org/I151201029"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5036081417","https://openalex.org/A5037917005","https://openalex.org/A5051767087"],"corresponding_institution_ids":["https://openalex.org/I151201029","https://openalex.org/I4141589"],"apc_list":null,"apc_paid":null,"fwci":0.3538,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.59731778,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"35","issue":null,"first_page":"109","last_page":"114"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9990000128746033,"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":0.9990000128746033,"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/T11476","display_name":"Graph theory and applications","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"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/T10792","display_name":"Matrix Theory and Algorithms","score":0.9976999759674072,"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/circulant-matrix","display_name":"Circulant matrix","score":0.8708211183547974},{"id":"https://openalex.org/keywords/polyhedron","display_name":"Polyhedron","score":0.8510369062423706},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8018691539764404},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7933809757232666},{"id":"https://openalex.org/keywords/polytope","display_name":"Polytope","score":0.7884842157363892},{"id":"https://openalex.org/keywords/dual-polyhedron","display_name":"Dual polyhedron","score":0.7115301489830017},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.609795331954956},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5423572659492493},{"id":"https://openalex.org/keywords/clique","display_name":"Clique","score":0.4976055920124054},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.4671705663204193},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.4369131922721863},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.39881429076194763},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.06234648823738098}],"concepts":[{"id":"https://openalex.org/C115973184","wikidata":"https://www.wikidata.org/wiki/Q245457","display_name":"Circulant matrix","level":2,"score":0.8708211183547974},{"id":"https://openalex.org/C54829058","wikidata":"https://www.wikidata.org/wiki/Q172937","display_name":"Polyhedron","level":2,"score":0.8510369062423706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8018691539764404},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7933809757232666},{"id":"https://openalex.org/C145691206","wikidata":"https://www.wikidata.org/wiki/Q747980","display_name":"Polytope","level":2,"score":0.7884842157363892},{"id":"https://openalex.org/C105313907","wikidata":"https://www.wikidata.org/wiki/Q1053857","display_name":"Dual polyhedron","level":2,"score":0.7115301489830017},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.609795331954956},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5423572659492493},{"id":"https://openalex.org/C2777035058","wikidata":"https://www.wikidata.org/wiki/Q1662634","display_name":"Clique","level":2,"score":0.4976055920124054},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.4671705663204193},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.4369131922721863},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.39881429076194763},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.06234648823738098},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0},{"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/j.endm.2009.11.019","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.endm.2009.11.019","pdf_url":null,"source":{"id":"https://openalex.org/S902237881","display_name":"Electronic Notes in Discrete Mathematics","issn_l":"1571-0653","issn":["1571-0653"],"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":"Electronic Notes in 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":7,"referenced_works":["https://openalex.org/W1970193303","https://openalex.org/W1971649241","https://openalex.org/W1989364864","https://openalex.org/W2021659530","https://openalex.org/W2058408846","https://openalex.org/W2064276915","https://openalex.org/W2106264302"],"related_works":["https://openalex.org/W2008231869","https://openalex.org/W2090263210","https://openalex.org/W2949692952","https://openalex.org/W2197678707","https://openalex.org/W1995855104","https://openalex.org/W2900515541","https://openalex.org/W2090864852","https://openalex.org/W2254121517","https://openalex.org/W2951251317","https://openalex.org/W2067082491"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":2}],"updated_date":"2026-01-15T23:16:33.117629","created_date":"2025-10-10T00:00:00"}