{"id":"https://openalex.org/W195458124","doi":"https://doi.org/10.3217/jucs-008-01-0075","title":"An Implicit Recursive Language for the Polynomial Time-space Complexity Classes","display_name":"An Implicit Recursive Language for the Polynomial Time-space Complexity Classes","publication_year":2020,"publication_date":"2020-04-07","ids":{"openalex":"https://openalex.org/W195458124","doi":"https://doi.org/10.3217/jucs-008-01-0075","mag":"195458124"},"language":"en","primary_location":{"id":"pmh:oai:zenodo.org:6996097","is_oa":true,"landing_page_url":"https://zenodo.org/record/6996097","pdf_url":"https://zenodo.org/record/6996097","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 8((1)) 75-84","raw_type":"info:eu-repo/semantics/article"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/6996097","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014432252","display_name":"Emanuele Covino","orcid":"https://orcid.org/0000-0002-2905-0314"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Emanuele Covino","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5051631180","display_name":"Giovanni Pani","orcid":"https://orcid.org/0000-0001-9294-6327"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Giovanni Pani","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5014432252"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.00113507,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9937000274658203,"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/T10142","display_name":"Formal Methods in Verification","score":0.9937000274658203,"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":0.9843000173568726,"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"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9682999849319458,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/computer-science","display_name":"Computer science","score":0.8982627987861633},{"id":"https://openalex.org/keywords/pspace","display_name":"PSPACE","score":0.5188797116279602},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.4846956729888916},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44085922837257385},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.43637457489967346},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4225488603115082},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.31902337074279785},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3187025785446167},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12224200367927551}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8982627987861633},{"id":"https://openalex.org/C197685441","wikidata":"https://www.wikidata.org/wiki/Q500716","display_name":"PSPACE","level":3,"score":0.5188797116279602},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.4846956729888916},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44085922837257385},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.43637457489967346},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4225488603115082},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.31902337074279785},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3187025785446167},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12224200367927551},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:zenodo.org:6996097","is_oa":true,"landing_page_url":"https://zenodo.org/record/6996097","pdf_url":"https://zenodo.org/record/6996097","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 8((1)) 75-84","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:ricerca.uniba.it:11586/2604","is_oa":false,"landing_page_url":"http://hdl.handle.net/11586/2604","pdf_url":null,"source":{"id":"https://openalex.org/S4377196296","display_name":"CINECA IRIS Institutional Research Information System (University of Bari Aldo Moro)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I5561750","host_organization_name":"University of Bari Aldo Moro","host_organization_lineage":["https://openalex.org/I5561750"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.3217/jucs-008-01-0075","is_oa":true,"landing_page_url":"https://doi.org/10.3217/jucs-008-01-0075","pdf_url":null,"source":{"id":"https://openalex.org/S4306400660","display_name":"TUGraz OPEN Library (Graz University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4092182","host_organization_name":"Graz University of Technology","host_organization_lineage":["https://openalex.org/I4092182"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:6996097","is_oa":true,"landing_page_url":"https://zenodo.org/record/6996097","pdf_url":"https://zenodo.org/record/6996097","source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"JUCS - Journal of Universal Computer Science 8((1)) 75-84","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W195458124.pdf"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2021141490","https://openalex.org/W203645649","https://openalex.org/W2999259059","https://openalex.org/W1525023070","https://openalex.org/W2997914125","https://openalex.org/W2138990159","https://openalex.org/W2105038944","https://openalex.org/W1516116165","https://openalex.org/W1834737061","https://openalex.org/W3193940692","https://openalex.org/W1539308159","https://openalex.org/W2131798840","https://openalex.org/W1979644108","https://openalex.org/W1560512928","https://openalex.org/W1495098865","https://openalex.org/W1993955032","https://openalex.org/W1499975475","https://openalex.org/W2101230787","https://openalex.org/W1511738550","https://openalex.org/W2155681304"],"abstract_inverted_index":{"Abstract:":[0],"We":[1],"define":[2],"a":[3,13,24,32,50,57,63,67],"language":[4],"over":[5,72],"an":[6],"algebra":[7],"of":[8,12,15,27,49,53,59,62],"words":[9],"by":[10,31,47],"means":[11,48],"version":[14],"predicative":[16],"recursion,":[17],"and":[18,46,74],"we":[19,55],"prove":[20],"that":[21],"it":[22],"represents":[23],"resource-free":[25],"characterization":[26,58],"the":[28,60],"computations":[29,61],"performed":[30],"register":[33,64],"machine":[34,65],"in":[35],"time":[36,73],"O(nk),":[37],"for":[38],"each":[39],"denite":[40],"k;":[41],"starting":[42],"from":[43],"this":[44],"result,":[45],"restricted":[51],"form":[52],"composition,":[54],"give":[56],"with":[66],"polynomial":[68],"bound":[69],"simultaneously":[70],"imposed":[71],"space":[75],"complexity.":[76]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}