{"id":"https://openalex.org/W2144383687","doi":"https://doi.org/10.1016/s0304-3975(00)00188-2","title":"A polynomial-time algorithm for checking equivalence under certain semiring congruences motivated by the state-space isomorphism problem for hybrid systems","display_name":"A polynomial-time algorithm for checking equivalence under certain semiring congruences motivated by the state-space isomorphism problem for hybrid systems","publication_year":2001,"publication_date":"2001-07-01","ids":{"openalex":"https://openalex.org/W2144383687","doi":"https://doi.org/10.1016/s0304-3975(00)00188-2","mag":"2144383687"},"language":"en","primary_location":{"id":"doi:10.1016/s0304-3975(00)00188-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00188-2","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500001882/pdf","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":true,"oa_status":"bronze","oa_url":"https://www.sciencedirect.com/science/article/pii/S0304397500001882/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061957076","display_name":"Bhaskar DasGupta","orcid":"https://orcid.org/0000-0001-5614-5477"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Bhaskar DasGupta","raw_affiliation_strings":["Department of Computer Science, Rutgers University, Camden, NJ 08102, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Rutgers University, Camden, NJ 08102, USA","institution_ids":["https://openalex.org/I102322142"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068753451","display_name":"Eduardo D. Sontag","orcid":"https://orcid.org/0000-0001-8020-5783"},"institutions":[{"id":"https://openalex.org/I102322142","display_name":"Rutgers, The State University of New Jersey","ror":"https://ror.org/05vt9qd57","country_code":"US","type":"education","lineage":["https://openalex.org/I102322142"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eduardo D. Sontag","raw_affiliation_strings":["Department of Mathematics, Rutgers University,New Brunswick, NJ 08903, USA","School of Arts and Sciences, Mathematics"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Rutgers University,New Brunswick, NJ 08903, USA","institution_ids":["https://openalex.org/I102322142"]},{"raw_affiliation_string":"School of Arts and Sciences, Mathematics","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061957076"],"corresponding_institution_ids":["https://openalex.org/I102322142"],"apc_list":{"value":2600,"currency":"USD","value_usd":2600},"apc_paid":null,"fwci":0.4426,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.67966736,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"262","issue":"1-2","first_page":"161","last_page":"189"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10142","display_name":"Formal Methods in Verification","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/T10142","display_name":"Formal Methods in Verification","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/T11125","display_name":"Petri Nets in System Modeling","score":0.9990000128746033,"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":0.9853000044822693,"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/congruence-relation","display_name":"Congruence relation","score":0.7323338985443115},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.7163560390472412},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6557182669639587},{"id":"https://openalex.org/keywords/semiring","display_name":"Semiring","score":0.6281868815422058},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.4920162856578827},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.44764894247055054},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.4420994222164154},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.4340308904647827},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.2523344159126282}],"concepts":[{"id":"https://openalex.org/C9973445","wikidata":"https://www.wikidata.org/wiki/Q8349849","display_name":"Congruence relation","level":2,"score":0.7323338985443115},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.7163560390472412},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6557182669639587},{"id":"https://openalex.org/C21696900","wikidata":"https://www.wikidata.org/wiki/Q1333055","display_name":"Semiring","level":2,"score":0.6281868815422058},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.4920162856578827},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.44764894247055054},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.4420994222164154},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.4340308904647827},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.2523344159126282}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0304-3975(00)00188-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00188-2","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500001882/pdf","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:10.1.1.78.4326","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.78.4326","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://crab.rutgers.edu/~bhaskar/resume/publ/papers/conf1.unix15.pdf","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1016/s0304-3975(00)00188-2","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0304-3975(00)00188-2","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0304397500001882/pdf","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"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4278248660","display_name":"RUI:  A Proposal for Research on Computing with Neural      Models of Computation","funder_award_id":"9800086","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320332467","display_name":"U.S. Air Force","ror":"https://ror.org/006gmme17"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2144383687.pdf","grobid_xml":"https://content.openalex.org/works/W2144383687.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1484739396","https://openalex.org/W1515514400","https://openalex.org/W1559815321","https://openalex.org/W1562722544","https://openalex.org/W1582408114","https://openalex.org/W1868193499","https://openalex.org/W1971435636","https://openalex.org/W2004463571","https://openalex.org/W2006097270","https://openalex.org/W2011039300","https://openalex.org/W2022932655","https://openalex.org/W2035496804","https://openalex.org/W2071846104","https://openalex.org/W2072508748","https://openalex.org/W2089107726","https://openalex.org/W2101508170","https://openalex.org/W2163590987","https://openalex.org/W2475213500","https://openalex.org/W2476096155","https://openalex.org/W2489001267","https://openalex.org/W2500657905","https://openalex.org/W2733133693","https://openalex.org/W3107709063","https://openalex.org/W4205625588","https://openalex.org/W6630923487","https://openalex.org/W6639029870","https://openalex.org/W6672861001"],"related_works":["https://openalex.org/W2023860477","https://openalex.org/W3122724205","https://openalex.org/W2767634713","https://openalex.org/W2118117473","https://openalex.org/W2170336571","https://openalex.org/W871449085","https://openalex.org/W1999013503","https://openalex.org/W4297447786","https://openalex.org/W2083034957","https://openalex.org/W1602376581"],"abstract_inverted_index":null,"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}