{"id":"https://openalex.org/W1970373826","doi":"https://doi.org/10.1016/0304-3975(91)90320-2","title":"An upward measure separation theorem","display_name":"An upward measure separation theorem","publication_year":1991,"publication_date":"1991-04-01","ids":{"openalex":"https://openalex.org/W1970373826","doi":"https://doi.org/10.1016/0304-3975(91)90320-2","mag":"1970373826"},"language":"en","primary_location":{"id":"doi:10.1016/0304-3975(91)90320-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(91)90320-2","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/A5064796448","display_name":"Jack H. Lutz","orcid":"https://orcid.org/0000-0003-1004-3891"},"institutions":[{"id":"https://openalex.org/I173911158","display_name":"Iowa State University","ror":"https://ror.org/04rswrd78","country_code":"US","type":"education","lineage":["https://openalex.org/I173911158"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Jack H. Lutz","raw_affiliation_strings":["Department of Computer Science, Iowa State University, Ames, IA 50011, USA","Iowa State University Ames,"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Iowa State University, Ames, IA 50011, USA","institution_ids":["https://openalex.org/I173911158"]},{"raw_affiliation_string":"Iowa State University Ames,","institution_ids":["https://openalex.org/I173911158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5064796448"],"corresponding_institution_ids":["https://openalex.org/I173911158"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":2.5657,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.88919808,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"81","issue":"1","first_page":"127","last_page":"135"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9988999962806702,"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":0.9970999956130981,"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/measure","display_name":"Measure (data warehouse)","score":0.8078036308288574},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6793779134750366},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4797210097312927},{"id":"https://openalex.org/keywords/separation","display_name":"Separation (statistics)","score":0.47836631536483765},{"id":"https://openalex.org/keywords/espace","display_name":"ESPACE","score":0.43016698956489563},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.42941394448280334},{"id":"https://openalex.org/keywords/\u03c3-finite-measure","display_name":"\u03c3-finite measure","score":0.4154800772666931},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.37395399808883667},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.30071911215782166},{"id":"https://openalex.org/keywords/probability-measure","display_name":"Probability measure","score":0.202205091714859},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.16753804683685303},{"id":"https://openalex.org/keywords/borel-measure","display_name":"Borel measure","score":0.13038292527198792},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09417590498924255}],"concepts":[{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.8078036308288574},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6793779134750366},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4797210097312927},{"id":"https://openalex.org/C2776061190","wikidata":"https://www.wikidata.org/wiki/Q7451805","display_name":"Separation (statistics)","level":2,"score":0.47836631536483765},{"id":"https://openalex.org/C2776443958","wikidata":"https://www.wikidata.org/wiki/Q3298658","display_name":"ESPACE","level":2,"score":0.43016698956489563},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.42941394448280334},{"id":"https://openalex.org/C102065156","wikidata":"https://www.wikidata.org/wiki/Q291430","display_name":"\u03c3-finite measure","level":4,"score":0.4154800772666931},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.37395399808883667},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.30071911215782166},{"id":"https://openalex.org/C21031990","wikidata":"https://www.wikidata.org/wiki/Q355020","display_name":"Probability measure","level":2,"score":0.202205091714859},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.16753804683685303},{"id":"https://openalex.org/C166758865","wikidata":"https://www.wikidata.org/wiki/Q892585","display_name":"Borel measure","level":3,"score":0.13038292527198792},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09417590498924255},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0304-3975(91)90320-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0304-3975(91)90320-2","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:10.1.1.44.7129","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.44.7129","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.iastate.edu/~lutz/=PAPERS/p26.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.693.4361","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.693.4361","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cs.iastate.edu/%7Elutz/%3DPAPERS/ums.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.41999998688697815,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W189979554","https://openalex.org/W1488487350","https://openalex.org/W1552744309","https://openalex.org/W1587422975","https://openalex.org/W1969678783","https://openalex.org/W1971578307","https://openalex.org/W1985433872","https://openalex.org/W2001132147","https://openalex.org/W2005097301","https://openalex.org/W2028223683","https://openalex.org/W2041517255","https://openalex.org/W2042587503","https://openalex.org/W2050955338","https://openalex.org/W2053392269","https://openalex.org/W2059442002","https://openalex.org/W2062767125","https://openalex.org/W2068422506","https://openalex.org/W2069919161","https://openalex.org/W2077218542","https://openalex.org/W2078472124","https://openalex.org/W2105972598","https://openalex.org/W2131798840","https://openalex.org/W2135625884","https://openalex.org/W2154462988","https://openalex.org/W2159841662","https://openalex.org/W2176419554","https://openalex.org/W2506855370","https://openalex.org/W4213350211","https://openalex.org/W6629307702","https://openalex.org/W6635187087","https://openalex.org/W6667944808","https://openalex.org/W6676111042","https://openalex.org/W6679636167","https://openalex.org/W6683403658"],"related_works":["https://openalex.org/W2333722679","https://openalex.org/W2315835829","https://openalex.org/W4232282788","https://openalex.org/W2097081898","https://openalex.org/W2389551393","https://openalex.org/W4291340253","https://openalex.org/W1977114845","https://openalex.org/W1999179650","https://openalex.org/W4386563502","https://openalex.org/W86840480"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
