{"id":"https://openalex.org/W1997153890","doi":"https://doi.org/10.1016/s0012-365x(03)00268-1","title":"Existence of optimal strong partially balanced designs with block size five","display_name":"Existence of optimal strong partially balanced designs with block size five","publication_year":2003,"publication_date":"2003-10-09","ids":{"openalex":"https://openalex.org/W1997153890","doi":"https://doi.org/10.1016/s0012-365x(03)00268-1","mag":"1997153890"},"language":"en","primary_location":{"id":"doi:10.1016/s0012-365x(03)00268-1","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(03)00268-1","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X03002681/pdf","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":true,"oa_status":"bronze","oa_url":"https://www.sciencedirect.com/science/article/pii/S0012365X03002681/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101429406","display_name":"Beiliang Du","orcid":"https://orcid.org/0000-0003-0197-2509"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Beiliang Du","raw_affiliation_strings":["Department of Mathematics, Suzhou University, Suzhou 215006, People's Republic of China","Department of Mathematics, Suzhou University, Suzhou, 215006, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Suzhou University, Suzhou 215006, People's Republic of China","institution_ids":[]},{"raw_affiliation_string":"Department of Mathematics, Suzhou University, Suzhou, 215006, People's Republic of China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5101429406"],"corresponding_institution_ids":[],"apc_list":{"value":3320,"currency":"USD","value_usd":3320},"apc_paid":null,"fwci":0.9522,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.76187642,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"279","issue":"1-3","first_page":"173","last_page":"190"},"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/T11130","display_name":"Coding theory and cryptography","score":0.9455000162124634,"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"}},{"id":"https://openalex.org/T11213","display_name":"Genomic variations and chromosomal abnormalities","score":0.910099983215332,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.8615924715995789},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7039719820022583},{"id":"https://openalex.org/keywords/block-size","display_name":"Block size","score":0.6580184698104858},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5997523069381714},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4820295572280884},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.32813912630081177},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.08564072847366333},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.0417366623878479}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8615924715995789},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7039719820022583},{"id":"https://openalex.org/C41431624","wikidata":"https://www.wikidata.org/wiki/Q1053357","display_name":"Block size","level":3,"score":0.6580184698104858},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5997523069381714},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4820295572280884},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.32813912630081177},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.08564072847366333},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.0417366623878479},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0012-365x(03)00268-1","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(03)00268-1","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X03002681/pdf","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":{"id":"doi:10.1016/s0012-365x(03)00268-1","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0012-365x(03)00268-1","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0012365X03002681/pdf","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"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.5699999928474426,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1997153890.pdf","grobid_xml":"https://content.openalex.org/works/W1997153890.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W131986048","https://openalex.org/W164275096","https://openalex.org/W1480909304","https://openalex.org/W1488445482","https://openalex.org/W1504945463","https://openalex.org/W1506088806","https://openalex.org/W1646844369","https://openalex.org/W1965142549","https://openalex.org/W1969803456","https://openalex.org/W1974807674","https://openalex.org/W1975150539","https://openalex.org/W2011832042","https://openalex.org/W2023475998","https://openalex.org/W2037666339","https://openalex.org/W2051619195","https://openalex.org/W2052158465","https://openalex.org/W2053087743","https://openalex.org/W2063374202","https://openalex.org/W2064355596","https://openalex.org/W2069903885","https://openalex.org/W2163020475","https://openalex.org/W2611298788","https://openalex.org/W2751202863","https://openalex.org/W6606659536","https://openalex.org/W6743598486"],"related_works":["https://openalex.org/W2077189200","https://openalex.org/W2393136772","https://openalex.org/W768788828","https://openalex.org/W4386229429","https://openalex.org/W3016449295","https://openalex.org/W53339341","https://openalex.org/W2484416673","https://openalex.org/W4362564423","https://openalex.org/W2123931954","https://openalex.org/W4382244876"],"abstract_inverted_index":null,"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-08-24T07:32:12.397491","created_date":"2025-10-10T00:00:00"}
