{"id":"https://openalex.org/W2049940171","doi":"https://doi.org/10.1016/s0304-3975(98)00185-6","title":"Decidability and complexity of simultaneous rigid E-unification with one variable and related results","display_name":"Decidability and complexity of simultaneous rigid E-unification with one variable and related results","publication_year":2000,"publication_date":"2000-07-01","ids":{"openalex":"https://openalex.org/W2049940171","doi":"https://doi.org/10.1016/s0304-3975(98)00185-6","mag":"2049940171"},"language":"en","primary_location":{"id":"doi:10.1016/s0304-3975(98)00185-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(98)00185-6","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":null,"display_name":"Anatoli Degtyarev","orcid":null},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Anatoli Degtyarev","raw_affiliation_strings":["Uppsala University , Uppsala, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uppsala University , Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065430432","display_name":"Yuri Gurevich","orcid":"https://orcid.org/0000-0001-7808-9293"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yuri Gurevich","raw_affiliation_strings":["University of Michigan , Ann Arbor"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan , Ann Arbor","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083889587","display_name":"Paliath Narendran","orcid":"https://orcid.org/0000-0003-4521-5892"},"institutions":[{"id":"https://openalex.org/I392282","display_name":"University at Albany, State University of New York","ror":"https://ror.org/012zs8222","country_code":"US","type":"education","lineage":["https://openalex.org/I392282"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paliath Narendran","raw_affiliation_strings":["University at Albany SUNY Albany New York"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University at Albany SUNY Albany New York","institution_ids":["https://openalex.org/I392282"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060114046","display_name":"Margus Veanes","orcid":"https://orcid.org/0009-0008-8427-7977"},"institutions":[{"id":"https://openalex.org/I4210109712","display_name":"Max Planck Institute for Informatics","ror":"https://ror.org/01w19ak89","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210109712"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Margus Veanes","raw_affiliation_strings":["Max-Planck-Institut f\u00fcr Informatik (Germany)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max-Planck-Institut f\u00fcr Informatik (Germany)","institution_ids":["https://openalex.org/I4210109712"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054629753","display_name":"\u0410\u043d\u0434\u0440\u0435\u0439 \u0412\u043e\u0440\u043e\u043d\u043a\u043e\u0432","orcid":"https://orcid.org/0009-0009-4367-4885"},"institutions":[{"id":"https://openalex.org/I123387679","display_name":"Uppsala University","ror":"https://ror.org/048a87296","country_code":"SE","type":"education","lineage":["https://openalex.org/I123387679"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Andrei Voronkov","raw_affiliation_strings":["Uppsala University , Uppsala, Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Uppsala University , Uppsala, Sweden","institution_ids":["https://openalex.org/I123387679"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":null,"fwci":0.531,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.76872107,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"243","issue":"1-2","first_page":"167","last_page":"184"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9997000098228455,"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"}},{"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9987000226974487,"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/decidability","display_name":"Decidability","score":0.9442229270935059},{"id":"https://openalex.org/keywords/fragment","display_name":"Fragment (logic)","score":0.847321629524231},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7491509914398193},{"id":"https://openalex.org/keywords/variable","display_name":"Variable (mathematics)","score":0.7400007843971252},{"id":"https://openalex.org/keywords/unification","display_name":"Unification","score":0.707923173904419},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.5431119799613953},{"id":"https://openalex.org/keywords/prefix","display_name":"Prefix","score":0.4446398913860321},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4309028089046478},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.4119443893432617},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.21011757850646973},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17977920174598694},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.08076408505439758}],"concepts":[{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.9442229270935059},{"id":"https://openalex.org/C2776235265","wikidata":"https://www.wikidata.org/wiki/Q18392052","display_name":"Fragment (logic)","level":2,"score":0.847321629524231},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7491509914398193},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.7400007843971252},{"id":"https://openalex.org/C96146094","wikidata":"https://www.wikidata.org/wiki/Q609057","display_name":"Unification","level":2,"score":0.707923173904419},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5431119799613953},{"id":"https://openalex.org/C141603448","wikidata":"https://www.wikidata.org/wiki/Q134830","display_name":"Prefix","level":2,"score":0.4446398913860321},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4309028089046478},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.4119443893432617},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.21011757850646973},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17977920174598694},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.08076408505439758},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":7,"locations":[{"id":"doi:10.1016/s0304-3975(98)00185-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0304-3975(98)00185-6","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:pure.atira.dk:publications/eed423f7-a379-427d-8ccb-476c8b8d37dc","is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/eed423f7-a379-427d-8ccb-476c8b8d37dc","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Degtyarev, A, Gurevich, Y, Narendran, P, Veanes, M & Voronkov, A 2000, 'Decidability and complexity of simultaneous rigid E-unification with one variable and related results', Theoretical Computer Science, vol. 243, no. 1-2, pp. 167-184. https://doi.org/10.1016/S0304-3975(98)00185-6","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.11.5285","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.11.5285","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dcs.kcl.ac.uk/staff/anatoli/papers/rta98.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.11.5771","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.11.5771","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.dcs.kcl.ac.uk/staff/anatoli/papers/tcs_sreu_onevar.ps","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.61.2672","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.61.2672","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://research.microsoft.com/~gurevich/Opera/127b.pdf","raw_type":"text"},{"id":"pmh:oai:edoc.mpg.de:519742","is_oa":false,"landing_page_url":"http://edoc.mpg.de/519742","pdf_url":null,"source":{"id":"https://openalex.org/S4406922265","display_name":"Max Planck Institute for Plasma Physics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theoretical Computer Science, v.243, 167-184 (2000)","raw_type":"Article"},{"id":"pmh:oai:pure.mpg.de:item_1330904","is_oa":false,"landing_page_url":"http://hdl.handle.net/11858/00-001M-0000-000F-341B-9","pdf_url":null,"source":{"id":"https://openalex.org/S4306400654","display_name":"MPG.PuRe (Max Planck Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I149899117","host_organization_name":"Max Planck Society","host_organization_lineage":["https://openalex.org/I149899117"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theoretical Computer Science","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.49000000953674316},{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.4099999964237213}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W71290743","https://openalex.org/W113726745","https://openalex.org/W154331794","https://openalex.org/W177597414","https://openalex.org/W210557330","https://openalex.org/W1497287285","https://openalex.org/W1500424608","https://openalex.org/W1504855775","https://openalex.org/W1508932139","https://openalex.org/W1542464114","https://openalex.org/W1546126118","https://openalex.org/W1568007287","https://openalex.org/W1577306287","https://openalex.org/W1594285439","https://openalex.org/W1608421539","https://openalex.org/W1609776842","https://openalex.org/W1692739636","https://openalex.org/W1903986294","https://openalex.org/W1969777579","https://openalex.org/W1974542856","https://openalex.org/W1984256985","https://openalex.org/W1993370765","https://openalex.org/W2001621593","https://openalex.org/W2005090804","https://openalex.org/W2007520000","https://openalex.org/W2018221833","https://openalex.org/W2020852080","https://openalex.org/W2030028426","https://openalex.org/W2033019111","https://openalex.org/W2035020702","https://openalex.org/W2036915776","https://openalex.org/W2037895998","https://openalex.org/W2039529128","https://openalex.org/W2050407768","https://openalex.org/W2061877402","https://openalex.org/W2062893737","https://openalex.org/W2073663206","https://openalex.org/W2105602558","https://openalex.org/W2109893633","https://openalex.org/W2115656500","https://openalex.org/W2128805181","https://openalex.org/W2132638915","https://openalex.org/W2132750992","https://openalex.org/W2142202556","https://openalex.org/W2149015191","https://openalex.org/W2547662413","https://openalex.org/W2799061192","https://openalex.org/W2912818154","https://openalex.org/W2987472443","https://openalex.org/W3037477934","https://openalex.org/W6608512460","https://openalex.org/W6629840866","https://openalex.org/W6632584264","https://openalex.org/W6634733445","https://openalex.org/W6658680356","https://openalex.org/W6759055872"],"related_works":["https://openalex.org/W2007520000","https://openalex.org/W2803425303","https://openalex.org/W2165407280","https://openalex.org/W2150481709","https://openalex.org/W2779744813","https://openalex.org/W3102630320","https://openalex.org/W2250084181","https://openalex.org/W2118701833","https://openalex.org/W1568007287","https://openalex.org/W2049940171"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}