{"id":"https://openalex.org/W1982124236","doi":"https://doi.org/10.1016/s0022-0000(05)80082-0","title":"Simple characterizations of P(#P) and complete problems","display_name":"Simple characterizations of P(#P) and complete problems","publication_year":1994,"publication_date":"1994-08-01","ids":{"openalex":"https://openalex.org/W1982124236","doi":"https://doi.org/10.1016/s0022-0000(05)80082-0","mag":"1982124236"},"language":"en","primary_location":{"id":"doi:10.1016/s0022-0000(05)80082-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0022-0000(05)80082-0","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","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/A5053366001","display_name":"Seinosuke Toda","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Seinosuke Toda","raw_affiliation_strings":["Department of Computer Science and Information Mathematics, University of Electro-Communications, Chofu-shi, Tokyo 182, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Information Mathematics, University of Electro-Communications, Chofu-shi, Tokyo 182, Japan","institution_ids":["https://openalex.org/I20529979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053366001"],"corresponding_institution_ids":["https://openalex.org/I20529979"],"apc_list":{"value":2520,"currency":"USD","value_usd":2520},"apc_paid":null,"fwci":0.9309,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.72148596,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"49","issue":"1","first_page":"1","last_page":"17"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9998000264167786,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9998000264167786,"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/T10374","display_name":"Advanced Graph Theory Research","score":0.9991000294685364,"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":0.9939000010490417,"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/combinatorics","display_name":"Combinatorics","score":0.6992034316062927},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6731560230255127},{"id":"https://openalex.org/keywords/turing-machine","display_name":"Turing machine","score":0.640172004699707},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.5731383562088013},{"id":"https://openalex.org/keywords/bounded-function","display_name":"Bounded function","score":0.5011093616485596},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.5009775161743164},{"id":"https://openalex.org/keywords/time-hierarchy-theorem","display_name":"Time hierarchy theorem","score":0.4991769790649414},{"id":"https://openalex.org/keywords/nondeterministic-algorithm","display_name":"Nondeterministic algorithm","score":0.4968445599079132},{"id":"https://openalex.org/keywords/non-deterministic-turing-machine","display_name":"Non-deterministic Turing machine","score":0.46656858921051025},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4539416432380676},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4312272071838379},{"id":"https://openalex.org/keywords/complexity-class","display_name":"Complexity class","score":0.41038748621940613},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.2837792634963989},{"id":"https://openalex.org/keywords/universal-turing-machine","display_name":"Universal Turing machine","score":0.2293873429298401},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.13330286741256714}],"concepts":[{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.6992034316062927},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6731560230255127},{"id":"https://openalex.org/C29248071","wikidata":"https://www.wikidata.org/wiki/Q163310","display_name":"Turing machine","level":3,"score":0.640172004699707},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.5731383562088013},{"id":"https://openalex.org/C34388435","wikidata":"https://www.wikidata.org/wiki/Q2267362","display_name":"Bounded function","level":2,"score":0.5011093616485596},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.5009775161743164},{"id":"https://openalex.org/C48415503","wikidata":"https://www.wikidata.org/wiki/Q5251122","display_name":"Time hierarchy theorem","level":5,"score":0.4991769790649414},{"id":"https://openalex.org/C176181172","wikidata":"https://www.wikidata.org/wiki/Q3490301","display_name":"Nondeterministic algorithm","level":2,"score":0.4968445599079132},{"id":"https://openalex.org/C15190523","wikidata":"https://www.wikidata.org/wiki/Q1190223","display_name":"Non-deterministic Turing machine","level":5,"score":0.46656858921051025},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4539416432380676},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4312272071838379},{"id":"https://openalex.org/C39637292","wikidata":"https://www.wikidata.org/wiki/Q908207","display_name":"Complexity class","level":3,"score":0.41038748621940613},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.2837792634963989},{"id":"https://openalex.org/C131671149","wikidata":"https://www.wikidata.org/wiki/Q2703890","display_name":"Universal Turing machine","level":4,"score":0.2293873429298401},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.13330286741256714},{"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/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0022-0000(05)80082-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0022-0000(05)80082-0","pdf_url":null,"source":{"id":"https://openalex.org/S141020589","display_name":"Journal of Computer and System Sciences","issn_l":"0022-0000","issn":["0022-0000","1090-2724"],"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":"Journal of Computer and System Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1496284751","https://openalex.org/W1541794392","https://openalex.org/W1552288906","https://openalex.org/W1575897077","https://openalex.org/W1975442866","https://openalex.org/W1975784724","https://openalex.org/W1975790950","https://openalex.org/W1996184580","https://openalex.org/W2002385864","https://openalex.org/W2006912660","https://openalex.org/W2011039300","https://openalex.org/W2024309621","https://openalex.org/W2033323875","https://openalex.org/W2036265926","https://openalex.org/W2040895999","https://openalex.org/W2050190588","https://openalex.org/W2053364286","https://openalex.org/W2053913299","https://openalex.org/W2059442002","https://openalex.org/W2065251436","https://openalex.org/W2066356146","https://openalex.org/W2071367694","https://openalex.org/W2072181151","https://openalex.org/W2115826669","https://openalex.org/W2141884608","https://openalex.org/W2151536080","https://openalex.org/W2396234570","https://openalex.org/W2525267029","https://openalex.org/W2913222977","https://openalex.org/W2913674407","https://openalex.org/W3036236905","https://openalex.org/W4243643814","https://openalex.org/W4383163603","https://openalex.org/W6629607947","https://openalex.org/W6632645830","https://openalex.org/W6633148477","https://openalex.org/W6644040475","https://openalex.org/W6682708965","https://openalex.org/W6712385367"],"related_works":["https://openalex.org/W2070488416","https://openalex.org/W4387774848","https://openalex.org/W4388215614","https://openalex.org/W2189193453","https://openalex.org/W2035025857","https://openalex.org/W2089690927","https://openalex.org/W2184601028","https://openalex.org/W2144345645","https://openalex.org/W2109807377","https://openalex.org/W2020831804"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}
