{"id":"https://openalex.org/W2080215124","doi":"https://doi.org/10.1142/s0129054194000050","title":"ITERATIVE DEVICES GENERATING INFINITE WORDS","display_name":"ITERATIVE DEVICES GENERATING INFINITE WORDS","publication_year":1994,"publication_date":"1994-03-01","ids":{"openalex":"https://openalex.org/W2080215124","doi":"https://doi.org/10.1142/s0129054194000050","mag":"2080215124"},"language":"en","primary_location":{"id":"doi:10.1142/s0129054194000050","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054194000050","pdf_url":null,"source":{"id":"https://openalex.org/S68047077","display_name":"International Journal of Foundations of Computer Science","issn_l":"0129-0541","issn":["0129-0541","1793-6373"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Foundations of 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/A5111515504","display_name":"Karel \u010cul\u00edk","orcid":null},"institutions":[{"id":"https://openalex.org/I155781252","display_name":"University of South Carolina","ror":"https://ror.org/02b6qw903","country_code":"US","type":"education","lineage":["https://openalex.org/I155781252"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"KAREL CULIK II","raw_affiliation_strings":["Department of Computer Science, University of South Carolina, Columbia, S.C. 29208, USA","Department of Computer Science University of South Carolina Columbia, S.C. 29208 USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of South Carolina, Columbia, S.C. 29208, USA","institution_ids":["https://openalex.org/I155781252"]},{"raw_affiliation_string":"Department of Computer Science University of South Carolina Columbia, S.C. 29208 USA#TAB#","institution_ids":["https://openalex.org/I155781252"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085504322","display_name":"Juhani Karhum\u00e4ki","orcid":null},"institutions":[{"id":"https://openalex.org/I155660961","display_name":"University of Turku","ror":"https://ror.org/05vghhr25","country_code":"FI","type":"education","lineage":["https://openalex.org/I155660961"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"JUHANI KARHUM\u00c4KI","raw_affiliation_strings":["Department of Mathematics, University of Turku,  Turku, 20500, Finland","Department of Mathematics , University of Turku , Turku, 20500, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, University of Turku,  Turku, 20500, Finland","institution_ids":["https://openalex.org/I155660961"]},{"raw_affiliation_string":"Department of Mathematics , University of Turku , Turku, 20500, Finland","institution_ids":["https://openalex.org/I155660961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3935,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.82492,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"05","issue":"01","first_page":"69","last_page":"97"},"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.986299991607666,"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/T10126","display_name":"Logic, programming, and type systems","score":0.9692000150680542,"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/morphism","display_name":"Morphism","score":0.7951098680496216},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6669526100158691},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.6202458739280701},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5503911972045898},{"id":"https://openalex.org/keywords/expressive-power","display_name":"Expressive power","score":0.44934993982315063},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4387863874435425},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4222424328327179},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2937818765640259},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.2550860643386841}],"concepts":[{"id":"https://openalex.org/C137212723","wikidata":"https://www.wikidata.org/wiki/Q1948412","display_name":"Morphism","level":2,"score":0.7951098680496216},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6669526100158691},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.6202458739280701},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5503911972045898},{"id":"https://openalex.org/C195818886","wikidata":"https://www.wikidata.org/wiki/Q5421724","display_name":"Expressive power","level":2,"score":0.44934993982315063},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4387863874435425},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4222424328327179},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2937818765640259},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.2550860643386841},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0129054194000050","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054194000050","pdf_url":null,"source":{"id":"https://openalex.org/S68047077","display_name":"International Journal of Foundations of Computer Science","issn_l":"0129-0541","issn":["0129-0541","1793-6373"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Foundations of Computer Science","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":0,"referenced_works":[],"related_works":["https://openalex.org/W2952244080","https://openalex.org/W1481670130","https://openalex.org/W856865640","https://openalex.org/W2768503191","https://openalex.org/W2139158010","https://openalex.org/W3100593643","https://openalex.org/W2328639173","https://openalex.org/W1883384169","https://openalex.org/W3006338902","https://openalex.org/W1679944736"],"abstract_inverted_index":{"We":[0,32],"consider":[1,33],"various":[2],"TAG-like":[3],"devices":[4,18,56],"that":[5,54],"generate":[6],"one-way":[7],"infinite":[8,61],"words":[9],"in":[10],"real":[11],"time.":[12],"The":[13],"simplest":[14],"types":[15],"of":[16,45],"these":[17,46],"are":[19],"equivalent":[20],"to":[21],"iterative":[22,30],"morphisms":[23],"(also":[24],"called":[25],"substitutions),":[26],"automatic":[27],"sequences":[28],"and":[29,48],"DGSM\u2019s.":[31],"also":[34],"a":[35,59],"few":[36],"new":[37],"types.":[38],"Mainly":[39],"we":[40],"study":[41],"the":[42],"comparative":[43],"power":[44],"mechanisms":[47],"develop":[49],"some":[50],"techniques":[51],"for":[52],"proving":[53],"certain":[55],"cannot":[57],"produce":[58],"particular":[60],"word.":[62]},"counts_by_year":[{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}