{"id":"https://openalex.org/W2073296504","doi":"https://doi.org/10.1016/0304-3975(95)00066-6","title":"Effective category and measure in abstract complexity theory","display_name":"Effective category and measure in abstract complexity theory","publication_year":1996,"publication_date":"1996-02-01","ids":{"openalex":"https://openalex.org/W2073296504","doi":"https://doi.org/10.1016/0304-3975(95)00066-6","mag":"2073296504"},"language":"en","primary_location":{"id":"doi:10.1016/0304-3975(95)00066-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(95)00066-6","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/A5079186295","display_name":"Cristian S. Calude","orcid":"https://orcid.org/0000-0002-8711-6799"},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":true,"raw_author_name":"Cristian Calude","raw_affiliation_strings":["Computer Science Department, The University of Auckland, Private Bag 92109, Auckland, New Zealand","UNIVERSITY OF AUCKLAND, Auckland, New Zealand"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, The University of Auckland, Private Bag 92109, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"UNIVERSITY OF AUCKLAND, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046763801","display_name":"Marius Zimand","orcid":"https://orcid.org/0000-0002-5938-6599"},"institutions":[{"id":"https://openalex.org/I5388228","display_name":"University of Rochester","ror":"https://ror.org/022kthw22","country_code":"US","type":"education","lineage":["https://openalex.org/I5388228"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Marius Zimand","raw_affiliation_strings":["Department of Computer Science, University of Rochester, NY 14627, USA","University of Rochester; Rochester, NY"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Rochester, NY 14627, USA","institution_ids":["https://openalex.org/I5388228"]},{"raw_affiliation_string":"University of Rochester; Rochester, NY","institution_ids":["https://openalex.org/I5388228"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5079186295"],"corresponding_institution_ids":["https://openalex.org/I154130895"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":0.5153,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.67389349,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"154","issue":"2","first_page":"307","last_page":"327"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":1.0,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":1.0,"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/T11567","display_name":"semigroups and automata theory","score":0.998199999332428,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.995199978351593,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7383908033370972},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.6984083652496338},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6678224802017212},{"id":"https://openalex.org/keywords/operator","display_name":"Operator (biology)","score":0.6237435340881348},{"id":"https://openalex.org/keywords/\u03bc-operator","display_name":"\u03bc operator","score":0.6149609088897705},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5250955820083618},{"id":"https://openalex.org/keywords/gap-theorem","display_name":"Gap theorem","score":0.521999716758728},{"id":"https://openalex.org/keywords/complexity-class","display_name":"Complexity class","score":0.46923476457595825},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4416508972644806},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.3974764943122864},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3027893900871277},{"id":"https://openalex.org/keywords/fundamental-theorem","display_name":"Fundamental theorem","score":0.27445828914642334},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.25172853469848633},{"id":"https://openalex.org/keywords/compactness-theorem","display_name":"Compactness theorem","score":0.24671587347984314},{"id":"https://openalex.org/keywords/recursive-functions","display_name":"Recursive functions","score":0.17825284600257874},{"id":"https://openalex.org/keywords/fixed-point-theorem","display_name":"Fixed-point theorem","score":0.15259569883346558},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14506009221076965},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07112205028533936}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7383908033370972},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.6984083652496338},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6678224802017212},{"id":"https://openalex.org/C17020691","wikidata":"https://www.wikidata.org/wiki/Q139677","display_name":"Operator (biology)","level":5,"score":0.6237435340881348},{"id":"https://openalex.org/C85955891","wikidata":"https://www.wikidata.org/wiki/Q307772","display_name":"\u03bc operator","level":3,"score":0.6149609088897705},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5250955820083618},{"id":"https://openalex.org/C3853638","wikidata":"https://www.wikidata.org/wiki/Q1314081","display_name":"Gap theorem","level":5,"score":0.521999716758728},{"id":"https://openalex.org/C39637292","wikidata":"https://www.wikidata.org/wiki/Q908207","display_name":"Complexity class","level":3,"score":0.46923476457595825},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4416508972644806},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3974764943122864},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3027893900871277},{"id":"https://openalex.org/C194886279","wikidata":"https://www.wikidata.org/wiki/Q430271","display_name":"Fundamental theorem","level":3,"score":0.27445828914642334},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.25172853469848633},{"id":"https://openalex.org/C171636804","wikidata":"https://www.wikidata.org/wiki/Q1149458","display_name":"Compactness theorem","level":4,"score":0.24671587347984314},{"id":"https://openalex.org/C2982939207","wikidata":"https://www.wikidata.org/wiki/Q1175101","display_name":"Recursive functions","level":2,"score":0.17825284600257874},{"id":"https://openalex.org/C45962547","wikidata":"https://www.wikidata.org/wiki/Q1422068","display_name":"Fixed-point theorem","level":2,"score":0.15259569883346558},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14506009221076965},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07112205028533936},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C86339819","wikidata":"https://www.wikidata.org/wiki/Q407384","display_name":"Transcription factor","level":3,"score":0.0},{"id":"https://openalex.org/C158448853","wikidata":"https://www.wikidata.org/wiki/Q425218","display_name":"Repressor","level":4,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/0304-3975(95)00066-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(95)00066-6","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:10.1.1.65.1316","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.65.1316","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://triton.towson.edu/~mzimand/pub/blumtcs.ps","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W142490811","https://openalex.org/W167123301","https://openalex.org/W245191144","https://openalex.org/W1481367701","https://openalex.org/W1579083493","https://openalex.org/W1585469132","https://openalex.org/W1587422975","https://openalex.org/W1589141582","https://openalex.org/W1969182601","https://openalex.org/W1986973083","https://openalex.org/W1995479936","https://openalex.org/W2002089154","https://openalex.org/W2012030760","https://openalex.org/W2015666295","https://openalex.org/W2020242021","https://openalex.org/W2028223683","https://openalex.org/W2033546285","https://openalex.org/W2037240754","https://openalex.org/W2038586290","https://openalex.org/W2039986919","https://openalex.org/W2043382625","https://openalex.org/W2045709959","https://openalex.org/W2049599272","https://openalex.org/W2075242512","https://openalex.org/W2077218542","https://openalex.org/W2081635977","https://openalex.org/W2085283873","https://openalex.org/W2087288945","https://openalex.org/W2089442854","https://openalex.org/W2091585331","https://openalex.org/W2092329528","https://openalex.org/W2115488732","https://openalex.org/W2121669037","https://openalex.org/W2121670331","https://openalex.org/W2131389166","https://openalex.org/W2132750992","https://openalex.org/W2133552552","https://openalex.org/W2150960963","https://openalex.org/W2176419554","https://openalex.org/W2530006810","https://openalex.org/W2905135108","https://openalex.org/W4234441517","https://openalex.org/W4302339081","https://openalex.org/W6605833201","https://openalex.org/W6606803849","https://openalex.org/W6630223424","https://openalex.org/W6660331599","https://openalex.org/W6677368695","https://openalex.org/W6678257095","https://openalex.org/W6679563633","https://openalex.org/W6682644489"],"related_works":["https://openalex.org/W2408436962","https://openalex.org/W2476013598","https://openalex.org/W214477566","https://openalex.org/W1544313815","https://openalex.org/W2006786362","https://openalex.org/W2625390511","https://openalex.org/W2158775560","https://openalex.org/W2031348075","https://openalex.org/W2911693923","https://openalex.org/W2024588640"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}