{"id":"https://openalex.org/W2131641228","doi":"https://doi.org/10.1016/0166-218x(92)90154-3","title":"The covering radius of Hadamard codes in odd graphs","display_name":"The covering radius of Hadamard codes in odd graphs","publication_year":1992,"publication_date":"1992-07-01","ids":{"openalex":"https://openalex.org/W2131641228","doi":"https://doi.org/10.1016/0166-218x(92)90154-3","mag":"2131641228"},"language":"en","primary_location":{"id":"doi:10.1016/0166-218x(92)90154-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0166-218x(92)90154-3","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied 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/A5024873890","display_name":"Patrick Sol\u00e9","orcid":"https://orcid.org/0000-0002-4078-8301"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Patrick Sol\u00e9","raw_affiliation_strings":["CNRS, 13S, 250, rue Albert Einstein, B\u00e2timent 4, 06 560 Valbonne, France"],"affiliations":[{"raw_affiliation_string":"CNRS, 13S, 250, rue Albert Einstein, B\u00e2timent 4, 06 560 Valbonne, France","institution_ids":["https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022057487","display_name":"Arif Ghafoor","orcid":"https://orcid.org/0000-0002-3707-8173"},"institutions":[{"id":"https://openalex.org/I70983195","display_name":"Syracuse University","ror":"https://ror.org/025r5qe02","country_code":"US","type":"education","lineage":["https://openalex.org/I70983195"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arif Ghafoor","raw_affiliation_strings":["Department of Electrical and Computer Engineering Syracuse University Syracuse, NY 13244-1240, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering Syracuse University Syracuse, NY 13244-1240, USA","institution_ids":["https://openalex.org/I70983195"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113689085","display_name":"Sohail A. Sheikh","orcid":null},"institutions":[{"id":"https://openalex.org/I138659443","display_name":"Widener University","ror":"https://ror.org/00nsyd297","country_code":"US","type":"education","lineage":["https://openalex.org/I138659443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sohail A. Sheikh","raw_affiliation_strings":["Department of Electrical Engineering, Widener University, Chester, PA 19013, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Widener University, Chester, PA 19013, USA","institution_ids":["https://openalex.org/I138659443"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5024873890"],"corresponding_institution_ids":["https://openalex.org/I1294671590"],"apc_list":{"value":2750,"currency":"USD","value_usd":2750},"apc_paid":null,"fwci":0.5271,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.68854277,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"37-38","issue":null,"first_page":"501","last_page":"510"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":1.0,"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":1.0,"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/T10829","display_name":"Interconnection Networks and Systems","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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":0.9984999895095825,"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":0.8842438459396362},{"id":"https://openalex.org/keywords/hadamard-transform","display_name":"Hadamard transform","score":0.7532978057861328},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6013265252113342},{"id":"https://openalex.org/keywords/radius","display_name":"RADIUS","score":0.5322487354278564},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4537343382835388},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.07027214765548706},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.05846455693244934},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.05660697817802429}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.8842438459396362},{"id":"https://openalex.org/C60292330","wikidata":"https://www.wikidata.org/wiki/Q1014065","display_name":"Hadamard transform","level":2,"score":0.7532978057861328},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6013265252113342},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.5322487354278564},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4537343382835388},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.07027214765548706},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.05846455693244934},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.05660697817802429}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0166-218x(92)90154-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0166-218x(92)90154-3","pdf_url":null,"source":{"id":"https://openalex.org/S171741597","display_name":"Discrete Applied Mathematics","issn_l":"0166-218X","issn":["0166-218X","1872-6771"],"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 Applied Mathematics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W107351352","https://openalex.org/W789681013","https://openalex.org/W1581293664","https://openalex.org/W1606480398","https://openalex.org/W1957100706","https://openalex.org/W1974558557","https://openalex.org/W1984332486","https://openalex.org/W2005610841","https://openalex.org/W2014754781","https://openalex.org/W2030895591","https://openalex.org/W2033633322","https://openalex.org/W2055371634","https://openalex.org/W2055402279","https://openalex.org/W2065404462","https://openalex.org/W2119733312","https://openalex.org/W2126655674","https://openalex.org/W2129632939","https://openalex.org/W2148644345","https://openalex.org/W2611298788","https://openalex.org/W2991283740","https://openalex.org/W3021878526","https://openalex.org/W6604390432","https://openalex.org/W6622635206","https://openalex.org/W6664190506"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W1982241170","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W2386549147","https://openalex.org/W4225152035","https://openalex.org/W1978051046","https://openalex.org/W2061531152","https://openalex.org/W2950361249","https://openalex.org/W3002753104"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}