{"id":"https://openalex.org/W1967944266","doi":"https://doi.org/10.1016/0012-365x(95)00309-k","title":"Uniform perfect systems of sets of iterated differences of size 41","display_name":"Uniform perfect systems of sets of iterated differences of size 41","publication_year":1996,"publication_date":"1996-12-01","ids":{"openalex":"https://openalex.org/W1967944266","doi":"https://doi.org/10.1016/0012-365x(95)00309-k","mag":"1967944266"},"language":"en","primary_location":{"id":"doi:10.1016/0012-365x(95)00309-k","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(95)00309-k","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"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":"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/A5105756300","display_name":"G. M. Hamilton","orcid":null},"institutions":[{"id":"https://openalex.org/I71052956","display_name":"University of Reading","ror":"https://ror.org/05v62cm79","country_code":"GB","type":"education","lineage":["https://openalex.org/I71052956"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"G.M. Hamilton","raw_affiliation_strings":["Department of Engineering, The University, Box 225, Reading, RG6 2AY, UK"],"affiliations":[{"raw_affiliation_string":"Department of Engineering, The University, Box 225, Reading, RG6 2AY, UK","institution_ids":["https://openalex.org/I71052956"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007851164","display_name":"Colin M. Ramsay","orcid":"https://orcid.org/0009-0003-0801-153X"},"institutions":[{"id":"https://openalex.org/I165143802","display_name":"The University of Queensland","ror":"https://ror.org/00rqy9422","country_code":"AU","type":"education","lineage":["https://openalex.org/I165143802"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"C. Ramsay","raw_affiliation_strings":["Department of Computer Science, University of Queensland, Brisbane, QLD 4072, Australia","Department of Computer Science, University of Queensland, Brisbane Qld 4072, Australia#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Queensland, Brisbane, QLD 4072, Australia","institution_ids":["https://openalex.org/I165143802"]},{"raw_affiliation_string":"Department of Computer Science, University of Queensland, Brisbane Qld 4072, Australia#TAB#","institution_ids":["https://openalex.org/I165143802"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019826020","display_name":"Ian T. Roberts","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I.T. Roberts","raw_affiliation_strings":["NTCRG, P.O. Box 40611, Casuraina, NT 0811, Australia"],"affiliations":[{"raw_affiliation_string":"NTCRG, P.O. Box 40611, Casuraina, NT 0811, Australia","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114252662","display_name":"Douglas G. Rogers","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D.G. Rogers","raw_affiliation_strings":["Fernley House, The Green, Croxley, WD3 3HT, UK"],"affiliations":[{"raw_affiliation_string":"Fernley House, The Green, Croxley, WD3 3HT, UK","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5007851164"],"corresponding_institution_ids":["https://openalex.org/I165143802"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":1.0968,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.75123475,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"162","issue":"1-3","first_page":"133","last_page":"150"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9998999834060669,"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":0.9998999834060669,"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/T12541","display_name":"Graph Labeling and Dimension Problems","score":0.9968000054359436,"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/T11130","display_name":"Coding theory and cryptography","score":0.9883999824523926,"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/mathematics","display_name":"Mathematics","score":0.9116654396057129},{"id":"https://openalex.org/keywords/iterated-function","display_name":"Iterated function","score":0.8645404577255249},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.6857470273971558},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5682637095451355},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5523595809936523},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.531478226184845},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.05658099055290222}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.9116654396057129},{"id":"https://openalex.org/C140479938","wikidata":"https://www.wikidata.org/wiki/Q5254619","display_name":"Iterated function","level":2,"score":0.8645404577255249},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.6857470273971558},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5682637095451355},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5523595809936523},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.531478226184845},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.05658099055290222},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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":2,"locations":[{"id":"doi:10.1016/0012-365x(95)00309-k","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0012-365x(95)00309-k","pdf_url":null,"source":{"id":"https://openalex.org/S18902827","display_name":"Discrete Mathematics","issn_l":"0012-365X","issn":["0012-365X","1872-681X"],"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":"Discrete Mathematics","raw_type":"journal-article"},{"id":"pmh:oai:espace.library.uq.edu.au:UQ:703668","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402388","display_name":"Queensland's institutional digital repository (The University of Queensland)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I165143802","host_organization_name":"The University of Queensland","host_organization_lineage":["https://openalex.org/I165143802"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","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":19,"referenced_works":["https://openalex.org/W1538386955","https://openalex.org/W1608430771","https://openalex.org/W1965735883","https://openalex.org/W1975291748","https://openalex.org/W2023713695","https://openalex.org/W2024705481","https://openalex.org/W2034810241","https://openalex.org/W2068962857","https://openalex.org/W2070298414","https://openalex.org/W2070968612","https://openalex.org/W2075847692","https://openalex.org/W2110463367","https://openalex.org/W4235820065","https://openalex.org/W6632088785","https://openalex.org/W6636522005","https://openalex.org/W6644014298","https://openalex.org/W6667883598","https://openalex.org/W6816928445","https://openalex.org/W6853368367"],"related_works":["https://openalex.org/W3103325625","https://openalex.org/W1486898455","https://openalex.org/W3090727460","https://openalex.org/W2041905724","https://openalex.org/W2047986527","https://openalex.org/W4306313719","https://openalex.org/W2991463004","https://openalex.org/W4311726894","https://openalex.org/W4387701909","https://openalex.org/W2006211888"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}