{"id":"https://openalex.org/W1999312585","doi":"https://doi.org/10.1007/bf01389353","title":"The lower bound of the quadratic spans of Debruijn sequences","display_name":"The lower bound of the quadratic spans of Debruijn sequences","publication_year":1993,"publication_date":"1993-03-01","ids":{"openalex":"https://openalex.org/W1999312585","doi":"https://doi.org/10.1007/bf01389353","mag":"1999312585"},"language":"en","primary_location":{"id":"doi:10.1007/bf01389353","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01389353","pdf_url":null,"source":{"id":"https://openalex.org/S81616010","display_name":"Designs Codes and Cryptography","issn_l":"0925-1022","issn":["0925-1022","1573-7586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Designs, Codes and Cryptography","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/A5113974688","display_name":"Levon H. Khachatrian","orcid":null},"institutions":[{"id":"https://openalex.org/I4210092286","display_name":"Institute of Informatics Problems","ror":"https://ror.org/00n8bqs64","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210092286","https://openalex.org/I4210097085"]},{"id":"https://openalex.org/I4210133484","display_name":"Institute for Informatics and Automation Problems","ror":"https://ror.org/04a8k4p47","country_code":"AM","type":"facility","lineage":["https://openalex.org/I4210133484","https://openalex.org/I99064381"]}],"countries":["AM","RU"],"is_corresponding":true,"raw_author_name":"Levon H. Khachatrian","raw_affiliation_strings":["Institute of Problems and Informatics and Automation, 375044 P. Sevak 1, Yerevan, Armenian Republic USSR","Institute of Problems and Informatics and Automation, Yerevan, Armenian Republic USSR"],"affiliations":[{"raw_affiliation_string":"Institute of Problems and Informatics and Automation, 375044 P. Sevak 1, Yerevan, Armenian Republic USSR","institution_ids":["https://openalex.org/I4210133484"]},{"raw_affiliation_string":"Institute of Problems and Informatics and Automation, Yerevan, Armenian Republic USSR","institution_ids":["https://openalex.org/I4210092286"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113974688"],"corresponding_institution_ids":["https://openalex.org/I4210092286","https://openalex.org/I4210133484"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.5819,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.72999458,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":"1","first_page":"29","last_page":"32"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9998999834060669,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9994999766349792,"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/T11567","display_name":"semigroups and automata theory","score":0.9929999709129333,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.7118678689002991},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.6319494843482971},{"id":"https://openalex.org/keywords/span","display_name":"Span (engineering)","score":0.6025200486183167},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5250741839408875},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.49100640416145325},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.3469083309173584},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1739426851272583},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13909688591957092},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.10471713542938232},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10383793711662292},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.08556810021400452},{"id":"https://openalex.org/keywords/genetics","display_name":"Genetics","score":0.07624095678329468}],"concepts":[{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.7118678689002991},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.6319494843482971},{"id":"https://openalex.org/C2778753569","wikidata":"https://www.wikidata.org/wiki/Q1960395","display_name":"Span (engineering)","level":2,"score":0.6025200486183167},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5250741839408875},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.49100640416145325},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.3469083309173584},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1739426851272583},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13909688591957092},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.10471713542938232},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10383793711662292},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.08556810021400452},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.07624095678329468}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf01389353","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf01389353","pdf_url":null,"source":{"id":"https://openalex.org/S81616010","display_name":"Designs Codes and Cryptography","issn_l":"0925-1022","issn":["0925-1022","1573-7586"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Designs, Codes and Cryptography","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4699999988079071,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W2007453203","https://openalex.org/W2134958877"],"related_works":["https://openalex.org/W4229054622","https://openalex.org/W4283651310","https://openalex.org/W4283803146","https://openalex.org/W4283792424","https://openalex.org/W1981806906","https://openalex.org/W4205134996","https://openalex.org/W2073731920","https://openalex.org/W2980963558","https://openalex.org/W2330319906","https://openalex.org/W2313801060"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}