{"id":"https://openalex.org/W2017321052","doi":"https://doi.org/10.1007/s00493-008-2339-4","title":"Perfect difference sets constructed from Sidon sets","display_name":"Perfect difference sets constructed from Sidon sets","publication_year":2008,"publication_date":"2008-07-01","ids":{"openalex":"https://openalex.org/W2017321052","doi":"https://doi.org/10.1007/s00493-008-2339-4","mag":"2017321052"},"language":"en","primary_location":{"id":"doi:10.1007/s00493-008-2339-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00493-008-2339-4","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10261/31072","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5002525127","display_name":"Javier Cilleruelo","orcid":null},"institutions":[{"id":"https://openalex.org/I63634437","display_name":"Universidad Aut\u00f3noma de Madrid","ror":"https://ror.org/01cby8j38","country_code":"ES","type":"education","lineage":["https://openalex.org/I63634437"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Javier Cilleruelo","raw_affiliation_strings":["Departamento de Matem\u00e1ticas, Universidad Aut\u00f3noma de Madrid Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain","Universidad Aut\u00f3noma de Madrid Ciudad Universitaria de Cantoblanco, Departamento de Matem\u00e1ticas, 28049, Madrid, Spain#TAB#"],"affiliations":[{"raw_affiliation_string":"Departamento de Matem\u00e1ticas, Universidad Aut\u00f3noma de Madrid Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain","institution_ids":["https://openalex.org/I63634437"]},{"raw_affiliation_string":"Universidad Aut\u00f3noma de Madrid Ciudad Universitaria de Cantoblanco, Departamento de Matem\u00e1ticas, 28049, Madrid, Spain#TAB#","institution_ids":["https://openalex.org/I63634437"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024903213","display_name":"Melvyn B. Nathanson","orcid":"https://orcid.org/0000-0002-6191-9374"},"institutions":[{"id":"https://openalex.org/I161301626","display_name":"Lehman College","ror":"https://ror.org/03m908832","country_code":"US","type":"education","lineage":["https://openalex.org/I161301626"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Melvyn B. Nathanson","raw_affiliation_strings":["Department of Mathematics, Lehman College (CUNY), 250 Bedford Park Boulevard West Bronx, New York, 10468, USA","Lehman College (CUNY), Department of Mathematics, 250 Bedford Park Boulevard West Bronx, 10468, New York, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Lehman College (CUNY), 250 Bedford Park Boulevard West Bronx, New York, 10468, USA","institution_ids":["https://openalex.org/I161301626"]},{"raw_affiliation_string":"Lehman College (CUNY), Department of Mathematics, 250 Bedford Park Boulevard West Bronx, 10468, New York, USA#TAB#","institution_ids":["https://openalex.org/I161301626"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5002525127"],"corresponding_institution_ids":["https://openalex.org/I63634437"],"apc_list":null,"apc_paid":null,"fwci":1.0145,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.77291319,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"28","issue":"4","first_page":"401","last_page":"414"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11797","display_name":"graph theory and CDMA systems","score":0.9975000023841858,"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":0.9975000023841858,"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/T11329","display_name":"Limits and Structures in Graph Theory","score":0.9955999851226807,"subfield":{"id":"https://openalex.org/subfields/2607","display_name":"Discrete Mathematics and Combinatorics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9751999974250793,"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":0.9250299334526062},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.773939311504364},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.693551778793335},{"id":"https://openalex.org/keywords/difference-set","display_name":"Difference set","score":0.5203604102134705},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4645737111568451},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.43068790435791016}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.9250299334526062},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.773939311504364},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.693551778793335},{"id":"https://openalex.org/C188204562","wikidata":"https://www.wikidata.org/wiki/Q5275281","display_name":"Difference set","level":3,"score":0.5203604102134705},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4645737111568451},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.43068790435791016},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C136170076","wikidata":"https://www.wikidata.org/wiki/Q181296","display_name":"Abelian group","level":2,"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:10.1007/s00493-008-2339-4","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00493-008-2339-4","pdf_url":null,"source":{"id":"https://openalex.org/S72366220","display_name":"COMBINATORICA","issn_l":"0209-9683","issn":["0209-9683","1439-6912"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Combinatorica","raw_type":"journal-article"},{"id":"pmh:oai:digital.csic.es:10261/31072","is_oa":true,"landing_page_url":"http://hdl.handle.net/10261/31072","pdf_url":null,"source":{"id":"https://openalex.org/S4306401639","display_name":"DIGITAL.CSIC (Spanish National Research Council (CSIC))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I134820265","host_organization_name":"Consejo Superior de Investigaciones Cient\u00edficas","host_organization_lineage":["https://openalex.org/I134820265"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Art\u00edculo"}],"best_oa_location":{"id":"pmh:oai:digital.csic.es:10261/31072","is_oa":true,"landing_page_url":"http://hdl.handle.net/10261/31072","pdf_url":null,"source":{"id":"https://openalex.org/S4306401639","display_name":"DIGITAL.CSIC (Spanish National Research Council (CSIC))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I134820265","host_organization_name":"Consejo Superior de Investigaciones Cient\u00edficas","host_organization_lineage":["https://openalex.org/I134820265"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Art\u00edculo"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1578321950","https://openalex.org/W1672465231","https://openalex.org/W1718118126","https://openalex.org/W2046768141","https://openalex.org/W2058243999","https://openalex.org/W2062230178","https://openalex.org/W2117908084","https://openalex.org/W2334061819","https://openalex.org/W2950192259","https://openalex.org/W4254284286"],"related_works":["https://openalex.org/W2980963558","https://openalex.org/W2002282073","https://openalex.org/W1882246857","https://openalex.org/W3103304230","https://openalex.org/W2185360082","https://openalex.org/W2389587584","https://openalex.org/W2382978275","https://openalex.org/W2053624443","https://openalex.org/W2924691597","https://openalex.org/W1987153376"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}