{"id":"https://openalex.org/W2130592461","doi":"https://doi.org/10.1016/0097-3165(89)90034-4","title":"Some characterizations of type-1 \u03bb-designs","display_name":"Some characterizations of type-1 \u03bb-designs","publication_year":1989,"publication_date":"1989-11-01","ids":{"openalex":"https://openalex.org/W2130592461","doi":"https://doi.org/10.1016/0097-3165(89)90034-4","mag":"2130592461"},"language":"en","primary_location":{"id":"doi:10.1016/0097-3165(89)90034-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(89)90034-4","pdf_url":null,"source":{"id":"https://openalex.org/S128556326","display_name":"Journal of Combinatorial Theory Series A","issn_l":"0097-3165","issn":["0097-3165","1096-0899"],"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":"Journal of Combinatorial Theory, Series A","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/A5083769806","display_name":"\u00c1kos Seress","orcid":null},"institutions":[{"id":"https://openalex.org/I52357470","display_name":"The Ohio State University","ror":"https://ror.org/00rs6vg23","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]},{"id":"https://openalex.org/I7597260","display_name":"Hungarian Academy of Sciences","ror":"https://ror.org/02ks8qq67","country_code":"HU","type":"government","lineage":["https://openalex.org/I7597260"]}],"countries":["HU","US"],"is_corresponding":true,"raw_author_name":"\u00c1kos Seress","raw_affiliation_strings":["Mathematical Institute of the Hungarian Academy of Sciences, Budapest, Hungary, H-1053","The Ohio State University, Columbus, Ohio 43210 USA"],"affiliations":[{"raw_affiliation_string":"Mathematical Institute of the Hungarian Academy of Sciences, Budapest, Hungary, H-1053","institution_ids":["https://openalex.org/I7597260"]},{"raw_affiliation_string":"The Ohio State University, Columbus, Ohio 43210 USA","institution_ids":["https://openalex.org/I52357470"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5083769806"],"corresponding_institution_ids":["https://openalex.org/I52357470","https://openalex.org/I7597260"],"apc_list":{"value":3320,"currency":"USD","value_usd":3320},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.21842121,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"52","issue":"2","first_page":"288","last_page":"300"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9929999709129333,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9929999709129333,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/conjecture","display_name":"Conjecture","score":0.8346037864685059},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6989362239837646},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.6971055269241333},{"id":"https://openalex.org/keywords/replication","display_name":"Replication (statistics)","score":0.6348044276237488},{"id":"https://openalex.org/keywords/type","display_name":"Type (biology)","score":0.5828558206558228},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5448789596557617},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.45328783988952637},{"id":"https://openalex.org/keywords/block-design","display_name":"Block design","score":0.42362403869628906},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09081986546516418},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.051358163356781006}],"concepts":[{"id":"https://openalex.org/C2780990831","wikidata":"https://www.wikidata.org/wiki/Q319141","display_name":"Conjecture","level":2,"score":0.8346037864685059},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6989362239837646},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.6971055269241333},{"id":"https://openalex.org/C12590798","wikidata":"https://www.wikidata.org/wiki/Q3933199","display_name":"Replication (statistics)","level":2,"score":0.6348044276237488},{"id":"https://openalex.org/C2777299769","wikidata":"https://www.wikidata.org/wiki/Q3707858","display_name":"Type (biology)","level":2,"score":0.5828558206558228},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5448789596557617},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.45328783988952637},{"id":"https://openalex.org/C689293","wikidata":"https://www.wikidata.org/wiki/Q751484","display_name":"Block design","level":2,"score":0.42362403869628906},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09081986546516418},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.051358163356781006},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0097-3165(89)90034-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(89)90034-4","pdf_url":null,"source":{"id":"https://openalex.org/S128556326","display_name":"Journal of Combinatorial Theory Series A","issn_l":"0097-3165","issn":["0097-3165","1096-0899"],"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":"Journal of Combinatorial Theory, Series A","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1983234208","https://openalex.org/W1995206423","https://openalex.org/W2007340577","https://openalex.org/W2019092094","https://openalex.org/W2071899328","https://openalex.org/W2075420890","https://openalex.org/W2134754301","https://openalex.org/W4245236715","https://openalex.org/W6652103467","https://openalex.org/W6668704648","https://openalex.org/W6680166422"],"related_works":["https://openalex.org/W2027766700","https://openalex.org/W2087235072","https://openalex.org/W2017436447","https://openalex.org/W337150621","https://openalex.org/W3118942882","https://openalex.org/W1516369391","https://openalex.org/W2921351362","https://openalex.org/W2775241955","https://openalex.org/W2056919874","https://openalex.org/W2332448073"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
