{"id":"https://openalex.org/W2083917958","doi":"https://doi.org/10.1016/s0012-365x(01)00231-x","title":"PBIB designs and association schemes obtained from finite rings","display_name":"PBIB designs and association schemes obtained from finite rings","publication_year":2002,"publication_date":"2002-05-01","ids":{"openalex":"https://openalex.org/W2083917958","doi":"https://doi.org/10.1016/s0012-365x(01)00231-x","mag":"2083917958"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(01)00231-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(01)00231-x","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/A5033299090","display_name":"Hsin\u2010Min Sun","orcid":"https://orcid.org/0000-0002-3768-2987"},"institutions":[{"id":"https://openalex.org/I56019348","display_name":"Chia Nan University of Pharmacy and Science","ror":"https://ror.org/02834m470","country_code":"TW","type":"education","lineage":["https://openalex.org/I56019348"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Hsin-Min Sun","raw_affiliation_strings":["Chia-Nan University of Pharmacy and Science, Tainan County 71710, Taiwan, Republic of China"],"affiliations":[{"raw_affiliation_string":"Chia-Nan University of Pharmacy and Science, Tainan County 71710, Taiwan, Republic of China","institution_ids":["https://openalex.org/I56019348"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5033299090"],"corresponding_institution_ids":["https://openalex.org/I56019348"],"apc_list":{"value":3000,"currency":"USD","value_usd":3000},"apc_paid":null,"fwci":0.6849,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.69447076,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"252","issue":"1-3","first_page":"267","last_page":"277"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9850999712944031,"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":0.9850999712944031,"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/mathematics","display_name":"Mathematics","score":0.8940151929855347},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7604587078094482},{"id":"https://openalex.org/keywords/association-scheme","display_name":"Association scheme","score":0.7270134687423706},{"id":"https://openalex.org/keywords/invertible-matrix","display_name":"Invertible matrix","score":0.7036153078079224},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.5274420380592346},{"id":"https://openalex.org/keywords/equivalence-relation","display_name":"Equivalence relation","score":0.515166163444519},{"id":"https://openalex.org/keywords/unit","display_name":"Unit (ring theory)","score":0.5103201270103455},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5077623128890991},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.41669002175331116},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.12258186936378479}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8940151929855347},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7604587078094482},{"id":"https://openalex.org/C73361133","wikidata":"https://www.wikidata.org/wiki/Q4810150","display_name":"Association scheme","level":2,"score":0.7270134687423706},{"id":"https://openalex.org/C96442724","wikidata":"https://www.wikidata.org/wiki/Q242188","display_name":"Invertible matrix","level":2,"score":0.7036153078079224},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.5274420380592346},{"id":"https://openalex.org/C156103551","wikidata":"https://www.wikidata.org/wiki/Q130998","display_name":"Equivalence relation","level":2,"score":0.515166163444519},{"id":"https://openalex.org/C122637931","wikidata":"https://www.wikidata.org/wiki/Q118084","display_name":"Unit (ring theory)","level":2,"score":0.5103201270103455},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5077623128890991},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.41669002175331116},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.12258186936378479},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0012-365x(01)00231-x","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0012-365x(01)00231-x","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320327223","display_name":"Beijing Institute For Brain Disorders","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4251428025","https://openalex.org/W1224313471","https://openalex.org/W2048240552","https://openalex.org/W3197326322","https://openalex.org/W4289867043","https://openalex.org/W2095059320","https://openalex.org/W2005838129","https://openalex.org/W2784467519","https://openalex.org/W2349728712","https://openalex.org/W2980438719"],"abstract_inverted_index":null,"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}