乐胖代购免代理版

{"id":"https://openalex.org/W2295389375","doi":"https://doi.org/10.14232/actacyb.20.4.2012.3","title":"New Descriptions of the Lov\u00e1sz Number, and the Weak Sandwich Theorem","display_name":"New Descriptions of the Lov\u00e1sz Number, and the Weak Sandwich Theorem","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2295389375","doi":"https://doi.org/10.14232/actacyb.20.4.2012.3","mag":"2295389375"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.14232/actacyb.20.4.2012.3","pdf_url":"https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/download/3824/3808","source":{"id":"https://openalex.org/S5962179","display_name":"Acta Cybernetica","issn_l":"0324-721X","issn":["0324-721X","2676-993X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315420","host_organization_name":"University of Szeged","host_organization_lineage":["https://openalex.org/P4310315420"],"host_organization_lineage_names":["University of Szeged"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"type":"article","type_crossref":"journal-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/download/3824/3808","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028833098","display_name":"Mikl\u00f3s Ujv\u00e1ri","orcid":null},"institutions":[{"id":"https://openalex.org/I4210117895","display_name":"Szent J\u00e1nos K\u00f3rh\u00e1z","ror":"https://ror.org/024pgmp43","country_code":"HU","type":"healthcare","lineage":["https://openalex.org/I4210117895"]}],"countries":["HU"],"is_corresponding":true,"raw_author_name":"Mikl\u00f3s Ujv\u00e1ri","raw_affiliation_strings":["H-2600 V\u00e1c, Szent J\u00e1nos utca 1., Hungary."],"affiliations":[{"raw_affiliation_string":"H-2600 V\u00e1c, Szent J\u00e1nos utca 1., Hungary.","institution_ids":["https://openalex.org/I4210117895"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5028833098"],"corresponding_institution_ids":["https://openalex.org/I4210117895"],"apc_list":null,"apc_paid":null,"fwci":0.276,"has_fulltext":true,"fulltext_origin":"pdf","cited_by_count":2,"citation_normalized_percentile":{"value":0.399038,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":72,"max":75},"biblio":{"volume":"20","issue":"4","first_page":"499","last_page":"513"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11476","display_name":"Graph theory and applications","score":0.9999,"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"}},"topics":[{"id":"https://openalex.org/T11476","display_name":"Graph theory and applications","score":0.9999,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9996,"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":0.9994,"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":[],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6224985},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.5359059},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.52545583},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.519468},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.48155072},{"id":"https://openalex.org/C5806529","wikidata":"https://www.wikidata.org/wiki/Q2365325","display_name":"Orthonormal basis","level":2,"score":0.4404152},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.14232/actacyb.20.4.2012.3","pdf_url":"https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/download/3824/3808","source":{"id":"https://openalex.org/S5962179","display_name":"Acta Cybernetica","issn_l":"0324-721X","issn":["0324-721X","2676-993X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315420","host_organization_name":"University of Szeged","host_organization_lineage":["https://openalex.org/P4310315420"],"host_organization_lineage_names":["University of Szeged"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.14232/actacyb.20.4.2012.3","pdf_url":"https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/download/3824/3808","source":{"id":"https://openalex.org/S5962179","display_name":"Acta Cybernetica","issn_l":"0324-721X","issn":["0324-721X","2676-993X"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315420","host_organization_name":"University of Szeged","host_organization_lineage":["https://openalex.org/P4310315420"],"host_organization_lineage_names":["University of Szeged"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":19,"referenced_works":["https://openalex.org/W1545748428","https://openalex.org/W1548134571","https://openalex.org/W1569752386","https://openalex.org/W1976995585","https://openalex.org/W1977170634","https://openalex.org/W1998838742","https://openalex.org/W2020376891","https://openalex.org/W2051735975","https://openalex.org/W2068871408","https://openalex.org/W2078289947","https://openalex.org/W2203591243","https://openalex.org/W2214820598","https://openalex.org/W2246801328","https://openalex.org/W2983896310","https://openalex.org/W3126588943","https://openalex.org/W4246589573","https://openalex.org/W4252112222","https://openalex.org/W4298414065","https://openalex.org/W579559328"],"related_works":["https://openalex.org/W4387820098","https://openalex.org/W3196207352","https://openalex.org/W3084261076","https://openalex.org/W2963408011","https://openalex.org/W2951724202","https://openalex.org/W2808944898","https://openalex.org/W2576399385","https://openalex.org/W2381894435","https://openalex.org/W2370850565","https://openalex.org/W1996614773"],"abstract_inverted_index":{"In":[0,65],"1979,":[1],"L.":[2],"Lov\u00e1sz":[3,24,36,73],"introduced":[4],"the":[5,23,27,31,35,44,48,51,55,62,72,88],"concept":[6],"of":[7,11,26,30,34,47,54,71,87],"an":[8],"orthonormal":[9],"representation":[10],"a":[12,16,84],"graph,":[13],"and":[14,50,75],"also":[15],"related":[17],"value,":[18],"now":[19],"popularly":[20],"known":[21],"as":[22],"number":[25,37,46,53,74],"graph.":[28,57],"One":[29],"remarkable":[32],"properties":[33],"is":[38,60],"that":[39],"it":[40],"lies":[41],"sandwiched":[42],"between":[43],"stability":[45],"graph":[49],"chromatic":[52],"complementary":[56],"This":[58],"fact":[59],"called":[61],"sandwich":[63,89],"theorem.":[64,90],"this":[66],"paper,":[67],"using":[68],"new":[69],"descriptions":[70],"linear":[76],"algebraic":[77],"lemmas":[78],"we":[79],"give":[80],"three":[81],"proofs":[82],"for":[83],"weaker":[85],"version":[86]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2295389375","counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-01-19T14:27:40.257388","created_date":"2016-06-24"}