{"id":"https://openalex.org/W2002103474","doi":"https://doi.org/10.1007/pl00009807","title":"On Small Blocking Sets","display_name":"On Small Blocking Sets","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W2002103474","doi":"https://doi.org/10.1007/pl00009807","mag":"2002103474"},"language":"en","primary_location":{"id":"doi:10.1007/pl00009807","is_oa":false,"landing_page_url":"https://doi.org/10.1007/pl00009807","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"COMBINATORICA","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/A5057986465","display_name":"Pompeo Polito","orcid":null},"institutions":[{"id":"https://openalex.org/I4210108560","display_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Napoli","ror":"https://ror.org/015kcdd40","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210108560"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Pompeo Polito","raw_affiliation_strings":["Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T; Via Cintia 80126 Napoli, Italy;","Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T","Via Cintia 80126 Napoli, Italy"],"affiliations":[{"raw_affiliation_string":"Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T; Via Cintia 80126 Napoli, Italy;","institution_ids":["https://openalex.org/I4210108560"]},{"raw_affiliation_string":"Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T","institution_ids":[]},{"raw_affiliation_string":"Via Cintia 80126 Napoli, Italy","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056316631","display_name":"Olga Polverino","orcid":"https://orcid.org/0000-0002-5588-3352"},"institutions":[{"id":"https://openalex.org/I4210108560","display_name":"Istituto Nazionale di Fisica Nucleare, Sezione di Napoli","ror":"https://ror.org/015kcdd40","country_code":"IT","type":"facility","lineage":["https://openalex.org/I160013858","https://openalex.org/I4210108560"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Olga Polverino","raw_affiliation_strings":["Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T; Via Cintia 80126 Napoli, Italy;","Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T","Via Cintia 80126 Napoli, Italy"],"affiliations":[{"raw_affiliation_string":"Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T; Via Cintia 80126 Napoli, Italy;","institution_ids":["https://openalex.org/I4210108560"]},{"raw_affiliation_string":"Dip. di Matematica e Applicazioni Complesso di Monte S. Angelo - Edificio T","institution_ids":[]},{"raw_affiliation_string":"Via Cintia 80126 Napoli, Italy","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5057986465"],"corresponding_institution_ids":["https://openalex.org/I4210108560"],"apc_list":null,"apc_paid":null,"fwci":6.93917087,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.9751693,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"18","issue":"1","first_page":"133","last_page":"137"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.8188999891281128,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/T11703","display_name":"Rings, Modules, and Algebras","score":0.8188999891281128,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"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/T11727","display_name":"Advanced Algebra and Logic","score":0.7764999866485596,"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/mathematics","display_name":"Mathematics","score":0.7972797751426697},{"id":"https://openalex.org/keywords/blocking","display_name":"Blocking (statistics)","score":0.7695429921150208},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6267905235290527},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.15353703498840332}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7972797751426697},{"id":"https://openalex.org/C144745244","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Blocking (statistics)","level":2,"score":0.7695429921150208},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6267905235290527},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.15353703498840332}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/pl00009807","is_oa":false,"landing_page_url":"https://doi.org/10.1007/pl00009807","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"COMBINATORICA","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.4399999976158142,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2021537862","https://openalex.org/W2128134930","https://openalex.org/W2583739487"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2392835431","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2600246793","https://openalex.org/W4238204885"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
