{"id":"https://openalex.org/W2058601435","doi":"https://doi.org/10.1016/0020-0190(94)90008-6","title":"On bispecial factors of the Thue\u2013Morse word","display_name":"On bispecial factors of the Thue\u2013Morse word","publication_year":1994,"publication_date":"1994-02-01","ids":{"openalex":"https://openalex.org/W2058601435","doi":"https://doi.org/10.1016/0020-0190(94)90008-6","mag":"2058601435"},"language":"en","primary_location":{"id":"doi:10.1016/0020-0190(94)90008-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(94)90008-6","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":"Information Processing Letters","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/A5103150964","display_name":"Aldo de Luca","orcid":"https://orcid.org/0000-0003-0259-0289"},"institutions":[{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]},{"id":"https://openalex.org/I4210150716","display_name":"Istituto di Cibernetica \u201cEduardo Caianiello\u201d","ror":"https://ror.org/05cdfm144","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210150716","https://openalex.org/I4210155236"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Aldo de Luca","raw_affiliation_strings":["Dipartimento di Matematica dell'Universit\u00e1 di Roma \u201cLa Sapienza\u201d, Piazzale Aldo Moro 2, I-00185 Roma, Italy","Istituto di Cibernetica del C.N.R., Arco Felice, Napoli, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Matematica dell'Universit\u00e1 di Roma \u201cLa Sapienza\u201d, Piazzale Aldo Moro 2, I-00185 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Istituto di Cibernetica del C.N.R., Arco Felice, Napoli, Italy","institution_ids":["https://openalex.org/I4210150716"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064098621","display_name":"Licia Mione","orcid":null},"institutions":[{"id":"https://openalex.org/I4210150716","display_name":"Istituto di Cibernetica \u201cEduardo Caianiello\u201d","ror":"https://ror.org/05cdfm144","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210150716","https://openalex.org/I4210155236"]},{"id":"https://openalex.org/I861853513","display_name":"Sapienza University of Rome","ror":"https://ror.org/02be6w209","country_code":"IT","type":"education","lineage":["https://openalex.org/I861853513"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Licia Mione","raw_affiliation_strings":["Dipartimento di Matematica dell'Universit\u00e1 di Roma \u201cLa Sapienza\u201d, Piazzale Aldo Moro 2, I-00185 Roma, Italy","Istituto di Cibernetica del C.N.R., Arco Felice, Napoli, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Matematica dell'Universit\u00e1 di Roma \u201cLa Sapienza\u201d, Piazzale Aldo Moro 2, I-00185 Roma, Italy","institution_ids":["https://openalex.org/I861853513"]},{"raw_affiliation_string":"Istituto di Cibernetica del C.N.R., Arco Felice, Napoli, Italy","institution_ids":["https://openalex.org/I4210150716"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103150964"],"corresponding_institution_ids":["https://openalex.org/I4210150716","https://openalex.org/I861853513"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":null,"fwci":0.4655,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.63977877,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"49","issue":"4","first_page":"179","last_page":"183"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9911999702453613,"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":0.9911999702453613,"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/T13326","display_name":"Biochemical and Structural Characterization","score":0.9901000261306763,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12380","display_name":"Authorship Attribution and Profiling","score":0.939300000667572,"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/combinatorics","display_name":"Combinatorics","score":0.7777653932571411},{"id":"https://openalex.org/keywords/alphabet","display_name":"Alphabet","score":0.731914758682251},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.6976612210273743},{"id":"https://openalex.org/keywords/enumeration","display_name":"Enumeration","score":0.6769497394561768},{"id":"https://openalex.org/keywords/prefix","display_name":"Prefix","score":0.6761531233787537},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.6681773662567139},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6457198858261108},{"id":"https://openalex.org/keywords/morse-code","display_name":"Morse code","score":0.5698273777961731},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.5580704212188721},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.45226776599884033},{"id":"https://openalex.org/keywords/factor","display_name":"Factor (programming language)","score":0.4417569637298584},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.3804601728916168},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14259248971939087},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.09786257147789001},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.05535125732421875}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7777653932571411},{"id":"https://openalex.org/C112876837","wikidata":"https://www.wikidata.org/wiki/Q837518","display_name":"Alphabet","level":2,"score":0.731914758682251},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.6976612210273743},{"id":"https://openalex.org/C156340839","wikidata":"https://www.wikidata.org/wiki/Q2704791","display_name":"Enumeration","level":2,"score":0.6769497394561768},{"id":"https://openalex.org/C141603448","wikidata":"https://www.wikidata.org/wiki/Q134830","display_name":"Prefix","level":2,"score":0.6761531233787537},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.6681773662567139},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6457198858261108},{"id":"https://openalex.org/C140031139","wikidata":"https://www.wikidata.org/wiki/Q79897","display_name":"Morse code","level":2,"score":0.5698273777961731},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.5580704212188721},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.45226776599884033},{"id":"https://openalex.org/C2781039887","wikidata":"https://www.wikidata.org/wiki/Q1391724","display_name":"Factor (programming language)","level":2,"score":0.4417569637298584},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3804601728916168},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14259248971939087},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.09786257147789001},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05535125732421875},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"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":1,"locations":[{"id":"doi:10.1016/0020-0190(94)90008-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-0190(94)90008-6","pdf_url":null,"source":{"id":"https://openalex.org/S147953040","display_name":"Information Processing Letters","issn_l":"0020-0190","issn":["0020-0190","1872-6119"],"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":"Information Processing Letters","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":2,"referenced_works":["https://openalex.org/W1968553864","https://openalex.org/W2006661113"],"related_works":["https://openalex.org/W108845024","https://openalex.org/W4300125793","https://openalex.org/W2578985712","https://openalex.org/W2406961474","https://openalex.org/W2143566611","https://openalex.org/W588267724","https://openalex.org/W2057205169","https://openalex.org/W4297743441","https://openalex.org/W2056409918","https://openalex.org/W2777710427"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}