{"id":"https://openalex.org/W4409708412","doi":"https://doi.org/10.1142/s0129054125500121","title":"Multi-Head Two-Way Finite Automata with Advice","display_name":"Multi-Head Two-Way Finite Automata with Advice","publication_year":2025,"publication_date":"2025-04-22","ids":{"openalex":"https://openalex.org/W4409708412","doi":"https://doi.org/10.1142/s0129054125500121"},"language":"en","primary_location":{"id":"doi:10.1142/s0129054125500121","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054125500121","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/A5069284806","display_name":"Ahmet Bilal U\u00e7an","orcid":"https://orcid.org/0000-0002-7504-1048"},"institutions":[{"id":"https://openalex.org/I4405392","display_name":"Bo\u011fazi\u00e7i University","ror":"https://ror.org/03z9tma90","country_code":"TR","type":"education","lineage":["https://openalex.org/I4405392"]}],"countries":["TR"],"is_corresponding":true,"raw_author_name":"Ahmet Bilal U\u00e7an","raw_affiliation_strings":["Computer Engineering, Bo\u011fazi\u00e7i University, Bebek, 34342, \u0130stanbul, T\u00fcrkiye"],"raw_orcid":"https://orcid.org/0000-0002-7504-1048","affiliations":[{"raw_affiliation_string":"Computer Engineering, Bo\u011fazi\u00e7i University, Bebek, 34342, \u0130stanbul, T\u00fcrkiye","institution_ids":["https://openalex.org/I4405392"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5069284806"],"corresponding_institution_ids":["https://openalex.org/I4405392"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09032505,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"37","issue":"02","first_page":"349","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.9993000030517578,"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":0.9993000030517578,"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/T12029","display_name":"DNA and Biological Computing","score":0.9990000128746033,"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/T11269","display_name":"Algorithms and Data Compression","score":0.9891999959945679,"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/advice","display_name":"Advice (programming)","score":0.7638638019561768},{"id":"https://openalex.org/keywords/head","display_name":"Head (geology)","score":0.6122385859489441},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5974324345588684},{"id":"https://openalex.org/keywords/automaton","display_name":"Automaton","score":0.49181488156318665},{"id":"https://openalex.org/keywords/finite-state-machine","display_name":"Finite-state machine","score":0.48345884680747986},{"id":"https://openalex.org/keywords/deterministic-finite-automaton","display_name":"Deterministic finite automaton","score":0.4690105617046356},{"id":"https://openalex.org/keywords/nondeterministic-finite-automaton","display_name":"Nondeterministic finite automaton","score":0.4174365997314453},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4121795892715454},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.33821821212768555},{"id":"https://openalex.org/keywords/automata-theory","display_name":"Automata theory","score":0.29937517642974854},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.10750371217727661}],"concepts":[{"id":"https://openalex.org/C2779955035","wikidata":"https://www.wikidata.org/wiki/Q4686785","display_name":"Advice (programming)","level":2,"score":0.7638638019561768},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.6122385859489441},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5974324345588684},{"id":"https://openalex.org/C112505250","wikidata":"https://www.wikidata.org/wiki/Q787116","display_name":"Automaton","level":2,"score":0.49181488156318665},{"id":"https://openalex.org/C167822520","wikidata":"https://www.wikidata.org/wiki/Q176452","display_name":"Finite-state machine","level":2,"score":0.48345884680747986},{"id":"https://openalex.org/C104091681","wikidata":"https://www.wikidata.org/wiki/Q837528","display_name":"Deterministic finite automaton","level":3,"score":0.4690105617046356},{"id":"https://openalex.org/C158008952","wikidata":"https://www.wikidata.org/wiki/Q617295","display_name":"Nondeterministic finite automaton","level":4,"score":0.4174365997314453},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4121795892715454},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.33821821212768555},{"id":"https://openalex.org/C116248031","wikidata":"https://www.wikidata.org/wiki/Q214526","display_name":"Automata theory","level":3,"score":0.29937517642974854},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.10750371217727661},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0129054125500121","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0129054125500121","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W204922234","https://openalex.org/W1505876086","https://openalex.org/W1571566554","https://openalex.org/W1849715658","https://openalex.org/W1971451627","https://openalex.org/W1974042674","https://openalex.org/W2054801208","https://openalex.org/W2089690927","https://openalex.org/W2092364091","https://openalex.org/W2168431435","https://openalex.org/W2295564140","https://openalex.org/W2886654810","https://openalex.org/W2963941169","https://openalex.org/W3008289078","https://openalex.org/W4212975470","https://openalex.org/W4311244946"],"related_works":["https://openalex.org/W2111868903","https://openalex.org/W1428391281","https://openalex.org/W2100711766","https://openalex.org/W3087272834","https://openalex.org/W2146605784","https://openalex.org/W4281261571","https://openalex.org/W4312340169","https://openalex.org/W3012311918","https://openalex.org/W2116593309","https://openalex.org/W1525520558"],"abstract_inverted_index":{"We":[0,35,73],"reject":[1],"the":[2,33,64,76],"proposed":[3],"proofs":[4],"of":[5,11,92],"\u201cLemma":[6],"9\u201d":[7],"and":[8,48,63,71,81,99],"\u201cTheorem":[9],"13\u201d":[10],"an":[12,100],"article":[13],"by":[14,18],"Frei":[15],"et":[16],"al.":[17],"pointing":[19],"out":[20],"fatal":[21],"errors":[22],"in":[23,60,96],"them.":[24],"In":[25],"addition,":[26],"we":[27],"proved":[28,74],"a":[29],"result":[30],"that":[31,37,75,103],"contradicts":[32],"latter.":[34],"show":[36],"it":[38],"is":[39,67,83],"possible":[40],"to":[41,58],"trade":[42],"input":[43,101],"heads":[44,47,55],"with":[45],"advice":[46,65,77,89],"vice":[49],"versa":[50],"as":[51,53],"long":[52,70],"all":[54,91],"are":[56,87],"allowed":[57],"move":[59,95,105],"both":[61,97],"directions":[62,98],"length":[66],"not":[68],"too":[69],"short.":[72],"gap":[78],"between":[79],"determinism":[80],"non-determinism":[82],"exponential":[84],"when":[85],"there":[86],"multiple":[88],"heads,":[90],"which":[93],"can":[94],"head":[102],"cannot":[104],"left.":[106]},"counts_by_year":[],"updated_date":"2026-02-24T06:16:03.338239","created_date":"2025-10-10T00:00:00"}