{"id":"https://openalex.org/W2072082800","doi":"https://doi.org/10.1016/0097-3165(84)90077-3","title":"Product constructions for cyclic block designs. I. Steiner quadruple systems","display_name":"Product constructions for cyclic block designs. I. Steiner quadruple systems","publication_year":1984,"publication_date":"1984-01-01","ids":{"openalex":"https://openalex.org/W2072082800","doi":"https://doi.org/10.1016/0097-3165(84)90077-3","mag":"2072082800"},"language":"en","primary_location":{"id":"doi:10.1016/0097-3165(84)90077-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(84)90077-3","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/A5089758840","display_name":"M. J. Grannell","orcid":null},"institutions":[{"id":"https://openalex.org/I24879904","display_name":"Preston University","ror":"https://ror.org/02pepyh86","country_code":"US","type":"education","lineage":["https://openalex.org/I24879904"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"M.J Grannell","raw_affiliation_strings":["Division of Mathematics and Statistics, Preston Polytechnic, Corporation Street, Preston PR1 2TQ, Lancashire, England"],"affiliations":[{"raw_affiliation_string":"Division of Mathematics and Statistics, Preston Polytechnic, Corporation Street, Preston PR1 2TQ, Lancashire, England","institution_ids":["https://openalex.org/I24879904"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022368458","display_name":"Terry S. Griggs","orcid":"https://orcid.org/0009-0002-9850-1948"},"institutions":[{"id":"https://openalex.org/I24879904","display_name":"Preston University","ror":"https://ror.org/02pepyh86","country_code":"US","type":"education","lineage":["https://openalex.org/I24879904"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"T.S Griggs","raw_affiliation_strings":["Division of Mathematics and Statistics, Preston Polytechnic, Corporation Street, Preston PR1 2TQ, Lancashire, England"],"affiliations":[{"raw_affiliation_string":"Division of Mathematics and Statistics, Preston Polytechnic, Corporation Street, Preston PR1 2TQ, Lancashire, England","institution_ids":["https://openalex.org/I24879904"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5089758840"],"corresponding_institution_ids":["https://openalex.org/I24879904"],"apc_list":{"value":3320,"currency":"USD","value_usd":3320},"apc_paid":null,"fwci":0.5674,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.70056852,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"36","issue":"1","first_page":"56","last_page":"65"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9997000098228455,"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":0.9997000098228455,"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"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9430000185966492,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/construct","display_name":"Construct (python library)","score":0.6975499391555786},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6778829097747803},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6409883499145508},{"id":"https://openalex.org/keywords/product","display_name":"Product (mathematics)","score":0.5945903062820435},{"id":"https://openalex.org/keywords/steiner-system","display_name":"Steiner system","score":0.5740795135498047},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.5701027512550354},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5350469350814819},{"id":"https://openalex.org/keywords/steiner-tree-problem","display_name":"Steiner tree problem","score":0.4576529264450073},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3758532404899597},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2666337490081787},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07822844386100769},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.07190227508544922},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.049746543169021606}],"concepts":[{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.6975499391555786},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6778829097747803},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6409883499145508},{"id":"https://openalex.org/C90673727","wikidata":"https://www.wikidata.org/wiki/Q901718","display_name":"Product (mathematics)","level":2,"score":0.5945903062820435},{"id":"https://openalex.org/C175695255","wikidata":"https://www.wikidata.org/wiki/Q4420916","display_name":"Steiner system","level":2,"score":0.5740795135498047},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.5701027512550354},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5350469350814819},{"id":"https://openalex.org/C76220878","wikidata":"https://www.wikidata.org/wiki/Q1764144","display_name":"Steiner tree problem","level":2,"score":0.4576529264450073},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3758532404899597},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2666337490081787},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07822844386100769},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.07190227508544922},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.049746543169021606},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0097-3165(84)90077-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0097-3165(84)90077-3","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":2,"referenced_works":["https://openalex.org/W1774869396","https://openalex.org/W2035977794"],"related_works":["https://openalex.org/W2025658531","https://openalex.org/W2500374022","https://openalex.org/W2003806381","https://openalex.org/W2090486508","https://openalex.org/W2051685615","https://openalex.org/W1991925252","https://openalex.org/W4254035687","https://openalex.org/W2500007129","https://openalex.org/W4389363541","https://openalex.org/W2089567775"],"abstract_inverted_index":null,"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
