{"id":"https://openalex.org/W2109953449","doi":"https://doi.org/10.1016/s1571-0661(05)80259-2","title":"Hardness results for weak bisimilarity of simple process algebras","display_name":"Hardness results for weak bisimilarity of simple process algebras","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W2109953449","doi":"https://doi.org/10.1016/s1571-0661(05)80259-2","mag":"2109953449"},"language":"en","primary_location":{"id":"doi:10.1016/s1571-0661(05)80259-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(05)80259-2","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1016/s1571-0661(05)80259-2","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026914516","display_name":"Jitka St\u0159\u00edAbrn\u00e1","orcid":null},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Jitka St\u0159\u00edAbrn\u00e1","raw_affiliation_strings":["LFCS, Department of Computer Science University of Edinburgh, UK"],"affiliations":[{"raw_affiliation_string":"LFCS, Department of Computer Science University of Edinburgh, UK","institution_ids":["https://openalex.org/I98677209"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5026914516"],"corresponding_institution_ids":["https://openalex.org/I98677209"],"apc_list":null,"apc_paid":null,"fwci":2.4541,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.89467401,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"18","issue":null,"first_page":"179","last_page":"190"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","score":0.9961000084877014,"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":0.9961000084877014,"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/T12423","display_name":"Software Reliability and Analysis Research","score":0.9312000274658203,"subfield":{"id":"https://openalex.org/subfields/1712","display_name":"Software"},"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/T10876","display_name":"Fault Detection and Control Systems","score":0.9168000221252441,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.9342218637466431},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.7503641247749329},{"id":"https://openalex.org/keywords/decision-problem","display_name":"Decision problem","score":0.5129527449607849},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5067952275276184},{"id":"https://openalex.org/keywords/pspace","display_name":"PSPACE","score":0.48072388768196106},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.46694910526275635},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.43919503688812256},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4385776221752167},{"id":"https://openalex.org/keywords/process-calculus","display_name":"Process calculus","score":0.42774802446365356},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.39206358790397644},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.35949987173080444},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3243520259857178},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.19812962412834167},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1162213385105133},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.053584784269332886}],"concepts":[{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.9342218637466431},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.7503641247749329},{"id":"https://openalex.org/C115988155","wikidata":"https://www.wikidata.org/wiki/Q3262192","display_name":"Decision problem","level":2,"score":0.5129527449607849},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5067952275276184},{"id":"https://openalex.org/C197685441","wikidata":"https://www.wikidata.org/wiki/Q500716","display_name":"PSPACE","level":3,"score":0.48072388768196106},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.46694910526275635},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.43919503688812256},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4385776221752167},{"id":"https://openalex.org/C161771561","wikidata":"https://www.wikidata.org/wiki/Q1970286","display_name":"Process calculus","level":2,"score":0.42774802446365356},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39206358790397644},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.35949987173080444},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3243520259857178},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.19812962412834167},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1162213385105133},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.053584784269332886},{"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/s1571-0661(05)80259-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(05)80259-2","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/s1571-0661(05)80259-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s1571-0661(05)80259-2","pdf_url":null,"source":{"id":"https://openalex.org/S50368787","display_name":"Electronic Notes in Theoretical Computer Science","issn_l":"1571-0661","issn":["1571-0661"],"is_oa":true,"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Notes in Theoretical Computer Science","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.7200000286102295,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W258022877","https://openalex.org/W1503973138","https://openalex.org/W1598641851","https://openalex.org/W1883453769","https://openalex.org/W2002089154","https://openalex.org/W2011039300","https://openalex.org/W2137502532","https://openalex.org/W3005584262","https://openalex.org/W3023981071","https://openalex.org/W4234470675","https://openalex.org/W4285719527","https://openalex.org/W4302339081","https://openalex.org/W6610072603","https://openalex.org/W6634379790","https://openalex.org/W6663402743","https://openalex.org/W6680595242"],"related_works":["https://openalex.org/W2161597229","https://openalex.org/W1532207056","https://openalex.org/W4234189135","https://openalex.org/W1510777277","https://openalex.org/W4246520964","https://openalex.org/W2107608134","https://openalex.org/W2170336571","https://openalex.org/W2327776271","https://openalex.org/W3149488358","https://openalex.org/W2951545071"],"abstract_inverted_index":{"We":[0],"do":[1],"not":[2],"know":[3],"whether":[4],"weak":[5,62],"bisimilarity":[6,63],"(denoted":[7],"\u2248)":[8],"is":[9,36],"decidable":[10],"for":[11,42,67,71],"general":[12],"BPA":[13],"and":[14,46,69],"BPP":[15],"but":[16],"we":[17,54],"may":[18],"try":[19],"to":[20,49],"estimate":[21],"what":[22],"would":[23,64],"be":[24,65],"a":[25,29],"least":[26],"complexity":[27,44],"of":[28,60],"decision":[30],"procedure":[31],"that":[32,57],"might":[33],"exist.":[34],"That":[35],"achieved":[37],"by":[38],"taking":[39],"problems":[40],"complete":[41],"some":[43],"classes":[45],"reducing":[47],"them":[48],"\u2248.":[50],"In":[51],"this":[52],"way":[53],"will":[55],"show":[56],"the":[58],"problem":[59],"deciding":[61],"NP-hard":[66],"BPP,":[68],"PSPACE-hard":[70],"BPA.":[72]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
