{"id":"https://openalex.org/W2087502667","doi":"https://doi.org/10.1016/s0020-0190(02)00346-0","title":"Monotone Boolean dualization is in co-NP[log2n]","display_name":"Monotone Boolean dualization is in co-NP[log2n]","publication_year":2002,"publication_date":"2002-12-02","ids":{"openalex":"https://openalex.org/W2087502667","doi":"https://doi.org/10.1016/s0020-0190(02)00346-0","mag":"2087502667"},"language":"en","primary_location":{"id":"doi:10.1016/s0020-0190(02)00346-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0020-0190(02)00346-0","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/A5111740824","display_name":"Dimitris J. Kavvadias","orcid":null},"institutions":[{"id":"https://openalex.org/I174878644","display_name":"University of Patras","ror":"https://ror.org/017wvtq80","country_code":"GR","type":"education","lineage":["https://openalex.org/I174878644"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Dimitris J. Kavvadias","raw_affiliation_strings":["University of Patras, Department of Mathematics, GR-265 00 Patras, Greece","University of Patras, Department of Mathematics, GR-265 00 Patras, Greece#TAB#"],"affiliations":[{"raw_affiliation_string":"University of Patras, Department of Mathematics, GR-265 00 Patras, Greece","institution_ids":["https://openalex.org/I174878644"]},{"raw_affiliation_string":"University of Patras, Department of Mathematics, GR-265 00 Patras, Greece#TAB#","institution_ids":["https://openalex.org/I174878644"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047497074","display_name":"Elias C. Stavropoulos","orcid":"https://orcid.org/0000-0002-0706-781X"},"institutions":[{"id":"https://openalex.org/I174878644","display_name":"University of Patras","ror":"https://ror.org/017wvtq80","country_code":"GR","type":"education","lineage":["https://openalex.org/I174878644"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Elias C. Stavropoulos","raw_affiliation_strings":["University of Patras, Computer Engineering & Informatics Department, GR-265 00 Patras, Greece"],"affiliations":[{"raw_affiliation_string":"University of Patras, Computer Engineering & Informatics Department, GR-265 00 Patras, Greece","institution_ids":["https://openalex.org/I174878644"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047497074"],"corresponding_institution_ids":["https://openalex.org/I174878644"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":null,"fwci":1.7497,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.84529528,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"85","issue":"1","first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9987999796867371,"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":0.9987999796867371,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9983000159263611,"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/T12072","display_name":"Machine Learning and Algorithms","score":0.9977999925613403,"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/nondeterministic-algorithm","display_name":"Nondeterministic algorithm","score":0.8899866342544556},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6693983674049377},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.6555918455123901},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.6419258117675781},{"id":"https://openalex.org/keywords/monotone-polygon","display_name":"Monotone polygon","score":0.6276501417160034},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5448711514472961},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4917903244495392},{"id":"https://openalex.org/keywords/disjunctive-normal-form","display_name":"Disjunctive normal form","score":0.4756217300891876},{"id":"https://openalex.org/keywords/boolean-function","display_name":"Boolean function","score":0.4610755443572998},{"id":"https://openalex.org/keywords/complexity-class","display_name":"Complexity class","score":0.45926961302757263},{"id":"https://openalex.org/keywords/conjunctive-normal-form","display_name":"Conjunctive normal form","score":0.4386349022388458},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.22858622670173645}],"concepts":[{"id":"https://openalex.org/C176181172","wikidata":"https://www.wikidata.org/wiki/Q3490301","display_name":"Nondeterministic algorithm","level":2,"score":0.8899866342544556},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6693983674049377},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6555918455123901},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.6419258117675781},{"id":"https://openalex.org/C2834757","wikidata":"https://www.wikidata.org/wiki/Q4925424","display_name":"Monotone polygon","level":2,"score":0.6276501417160034},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5448711514472961},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4917903244495392},{"id":"https://openalex.org/C136726353","wikidata":"https://www.wikidata.org/wiki/Q903789","display_name":"Disjunctive normal form","level":2,"score":0.4756217300891876},{"id":"https://openalex.org/C187455244","wikidata":"https://www.wikidata.org/wiki/Q942353","display_name":"Boolean function","level":2,"score":0.4610755443572998},{"id":"https://openalex.org/C39637292","wikidata":"https://www.wikidata.org/wiki/Q908207","display_name":"Complexity class","level":3,"score":0.45926961302757263},{"id":"https://openalex.org/C16221470","wikidata":"https://www.wikidata.org/wiki/Q846564","display_name":"Conjunctive normal form","level":2,"score":0.4386349022388458},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22858622670173645},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0020-0190(02)00346-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0020-0190(02)00346-0","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"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.13.643","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.13.643","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://students.ceid.upatras.gr/~estavrop/papers/IPL2003.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1500050811","https://openalex.org/W1603162376","https://openalex.org/W1676134498","https://openalex.org/W1970461358","https://openalex.org/W1972004026","https://openalex.org/W1985250585","https://openalex.org/W1996070840","https://openalex.org/W2007940874","https://openalex.org/W2021131202","https://openalex.org/W2054784808","https://openalex.org/W2065895258","https://openalex.org/W2080947358","https://openalex.org/W2087134747","https://openalex.org/W2154671707","https://openalex.org/W2337710787","https://openalex.org/W6629876729","https://openalex.org/W6636141538","https://openalex.org/W6637214666","https://openalex.org/W6658153212"],"related_works":["https://openalex.org/W2383447474","https://openalex.org/W2370559189","https://openalex.org/W2355295171","https://openalex.org/W2368813805","https://openalex.org/W2164267854","https://openalex.org/W2094988934","https://openalex.org/W2105859078","https://openalex.org/W2093198163","https://openalex.org/W2109930162","https://openalex.org/W1877903854"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}