{"id":"https://openalex.org/W2088663140","doi":"https://doi.org/10.1016/s0304-3975(01)00390-5","title":"Extensions and submonoids of automatic monoids","display_name":"Extensions and submonoids of automatic monoids","publication_year":2002,"publication_date":"2002-10-01","ids":{"openalex":"https://openalex.org/W2088663140","doi":"https://doi.org/10.1016/s0304-3975(01)00390-5","mag":"2088663140"},"language":"en","primary_location":{"id":"doi:10.1016/s0304-3975(01)00390-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(01)00390-5","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","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/A5100363300","display_name":"Pedro V. Silva","orcid":"https://orcid.org/0000-0003-1819-7289"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Pedro V. Silva","raw_affiliation_strings":["Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto, R. Campo Alegre 687, 4169-007 Porto, Portugal","Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto R. Campo Alegre 687, 4169-007 Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto, R. Campo Alegre 687, 4169-007 Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto R. Campo Alegre 687, 4169-007 Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056602969","display_name":"Benjamin Steinberg","orcid":"https://orcid.org/0000-0003-3636-4255"},"institutions":[{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Benjamin Steinberg","raw_affiliation_strings":["Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto, R. Campo Alegre 687, 4169-007 Porto, Portugal","Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto R. Campo Alegre 687, 4169-007 Porto, Portugal"],"affiliations":[{"raw_affiliation_string":"Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto, R. Campo Alegre 687, 4169-007 Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]},{"raw_affiliation_string":"Centro de Matem\u00e1tica, Faculdade de Ci\u00eancias, Universidade do Porto R. Campo Alegre 687, 4169-007 Porto, Portugal","institution_ids":["https://openalex.org/I182534213"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100363300"],"corresponding_institution_ids":["https://openalex.org/I182534213"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":2.4489,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.89503179,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"289","issue":"1","first_page":"727","last_page":"754"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9973999857902527,"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":0.9973999857902527,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.982699990272522,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"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/T10304","display_name":"Geometric and Algebraic Topology","score":0.9758999943733215,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"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/monoid","display_name":"Monoid","score":0.8961735963821411},{"id":"https://openalex.org/keywords/automaticity","display_name":"Automaticity","score":0.831000030040741},{"id":"https://openalex.org/keywords/closure","display_name":"Closure (psychology)","score":0.7082736492156982},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5693200826644897},{"id":"https://openalex.org/keywords/ideal","display_name":"Ideal (ethics)","score":0.5625090599060059},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.5328322649002075},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.49406006932258606},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.47042369842529297},{"id":"https://openalex.org/keywords/characterization","display_name":"Characterization (materials science)","score":0.4508877694606781},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.42618656158447266},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2774299681186676},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.185664564371109},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.10622945427894592},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08788192272186279},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07271265983581543},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.07128432393074036},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.05666476488113403}],"concepts":[{"id":"https://openalex.org/C206901836","wikidata":"https://www.wikidata.org/wiki/Q208237","display_name":"Monoid","level":2,"score":0.8961735963821411},{"id":"https://openalex.org/C33002781","wikidata":"https://www.wikidata.org/wiki/Q4826617","display_name":"Automaticity","level":3,"score":0.831000030040741},{"id":"https://openalex.org/C146834321","wikidata":"https://www.wikidata.org/wiki/Q2979672","display_name":"Closure (psychology)","level":2,"score":0.7082736492156982},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5693200826644897},{"id":"https://openalex.org/C2776639384","wikidata":"https://www.wikidata.org/wiki/Q840396","display_name":"Ideal (ethics)","level":2,"score":0.5625090599060059},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.5328322649002075},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.49406006932258606},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.47042369842529297},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.4508877694606781},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.42618656158447266},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2774299681186676},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.185664564371109},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.10622945427894592},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08788192272186279},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07271265983581543},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.07128432393074036},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.05666476488113403},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0},{"id":"https://openalex.org/C169900460","wikidata":"https://www.wikidata.org/wiki/Q2200417","display_name":"Cognition","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0304-3975(01)00390-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(01)00390-5","pdf_url":null,"source":{"id":"https://openalex.org/S90727058","display_name":"Theoretical Computer Science","issn_l":"0304-3975","issn":["0304-3975","1879-2294"],"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":"Theoretical Computer Science","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.35.9419","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.35.9419","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.fc.up.pt/cmup/home/pvsilva/../../preprints/2000-06.ps.gz","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1545078593","https://openalex.org/W1585649433","https://openalex.org/W1817451992","https://openalex.org/W1987561876","https://openalex.org/W1999298820","https://openalex.org/W2048263388","https://openalex.org/W2167954650","https://openalex.org/W2545792164","https://openalex.org/W2573213845","https://openalex.org/W2592184324","https://openalex.org/W2798619248","https://openalex.org/W2915052804","https://openalex.org/W4240747429","https://openalex.org/W6817441935"],"related_works":["https://openalex.org/W2370106850","https://openalex.org/W2129129476","https://openalex.org/W1512872257","https://openalex.org/W2126749247","https://openalex.org/W2150946581","https://openalex.org/W2945252190","https://openalex.org/W2042212793","https://openalex.org/W3099396151","https://openalex.org/W1999622242","https://openalex.org/W4323664721"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
