{"id":"https://openalex.org/W2014294552","doi":"https://doi.org/10.1016/0022-0000(84)90013-8","title":"Commutative One-counter languages are regular","display_name":"Commutative One-counter languages are regular","publication_year":1984,"publication_date":"1984-08-01","ids":{"openalex":"https://openalex.org/W2014294552","doi":"https://doi.org/10.1016/0022-0000(84)90013-8","mag":"2014294552"},"language":"en","primary_location":{"id":"doi:10.1016/0022-0000(84)90013-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(84)90013-8","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","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/A5016243955","display_name":"Michel Latteux","orcid":null},"institutions":[{"id":"https://openalex.org/I2279609970","display_name":"Universit\u00e9 de Lille","ror":"https://ror.org/02kzqn938","country_code":"FR","type":"education","lineage":["https://openalex.org/I2279609970"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"M. Latteux","raw_affiliation_strings":["Universit\u00e9 de Lille I, U.E.R. d'I.E.E.A.-Informatique, 59655 Villeneuve d'Ascq Cedex, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Lille I, U.E.R. d'I.E.E.A.-Informatique, 59655 Villeneuve d'Ascq Cedex, France","institution_ids":["https://openalex.org/I2279609970"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110486000","display_name":"Grzegorz Rozenberg","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. Rozenberg","raw_affiliation_strings":["Institute of Applied Mathematics and Computer Science, University of Leiden, 2300 Ra Leiden, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Applied Mathematics and Computer Science, University of Leiden, 2300 Ra Leiden, The Netherlands","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":1.6324,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.82422621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"29","issue":"1","first_page":"54","last_page":"57"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":1.0,"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"}},{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9986000061035156,"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"}},{"id":"https://openalex.org/T11703","display_name":"Rings, Modules, and Algebras","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/2602","display_name":"Algebra and Number Theory"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/commutative-property","display_name":"Commutative property","score":0.6366666555404663},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5076993703842163},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44293415546417236},{"id":"https://openalex.org/keywords/regular-language","display_name":"Regular language","score":0.4391999840736389},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43902358412742615},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.38065505027770996},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.32777106761932373},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.28109949827194214},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.22878286242485046},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.16854789853096008}],"concepts":[{"id":"https://openalex.org/C183778304","wikidata":"https://www.wikidata.org/wiki/Q165474","display_name":"Commutative property","level":2,"score":0.6366666555404663},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5076993703842163},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44293415546417236},{"id":"https://openalex.org/C52370388","wikidata":"https://www.wikidata.org/wiki/Q752532","display_name":"Regular language","level":3,"score":0.4391999840736389},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43902358412742615},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.38065505027770996},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.32777106761932373},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.28109949827194214},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.22878286242485046},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.16854789853096008}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0022-0000(84)90013-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0022-0000(84)90013-8","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W136442121","https://openalex.org/W956032893","https://openalex.org/W1505482284","https://openalex.org/W1535681052","https://openalex.org/W1968763185","https://openalex.org/W2001517125","https://openalex.org/W2050516132","https://openalex.org/W2076508310","https://openalex.org/W2498187449","https://openalex.org/W2914032487","https://openalex.org/W4239188751","https://openalex.org/W6605557035","https://openalex.org/W6662939540","https://openalex.org/W6669870310"],"related_works":["https://openalex.org/W3001284428","https://openalex.org/W2248715553","https://openalex.org/W2285136996","https://openalex.org/W2338502647","https://openalex.org/W2948692897","https://openalex.org/W1989629559","https://openalex.org/W4299388153","https://openalex.org/W2048244852","https://openalex.org/W4320854783","https://openalex.org/W2946585142"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}