{"id":"https://openalex.org/W2054490147","doi":"https://doi.org/10.1016/s0167-6911(03)00155-5","title":"Real stability radii of linear time-invariant time-delay systems","display_name":"Real stability radii of linear time-invariant time-delay systems","publication_year":2003,"publication_date":"2003-06-02","ids":{"openalex":"https://openalex.org/W2054490147","doi":"https://doi.org/10.1016/s0167-6911(03)00155-5","mag":"2054490147"},"language":"en","primary_location":{"id":"doi:10.1016/s0167-6911(03)00155-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0167-6911(03)00155-5","pdf_url":null,"source":{"id":"https://openalex.org/S56603566","display_name":"Systems & Control Letters","issn_l":"0167-6911","issn":["0167-6911","1872-7956"],"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":"Systems &amp; Control 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/A5044548101","display_name":"Guangdi Hu","orcid":"https://orcid.org/0000-0002-6104-1346"},"institutions":[{"id":"https://openalex.org/I1292974536","display_name":"Ford Motor Company (United States)","ror":"https://ror.org/00g2tkw06","country_code":"US","type":"company","lineage":["https://openalex.org/I1292974536"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Guangdi Hu","raw_affiliation_strings":["Scientific Research Laboratory, Research and Advanced Engineering Department, Ford Motor Company, MD 2074, 2101 Village Road, Dearborn, MI 48124, USA"],"affiliations":[{"raw_affiliation_string":"Scientific Research Laboratory, Research and Advanced Engineering Department, Ford Motor Company, MD 2074, 2101 Village Road, Dearborn, MI 48124, USA","institution_ids":["https://openalex.org/I1292974536"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113557516","display_name":"E.J. Davison","orcid":null},"institutions":[{"id":"https://openalex.org/I185261750","display_name":"University of Toronto","ror":"https://ror.org/03dbr7087","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Edward J. Davison","raw_affiliation_strings":["Systems Control Group, Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ont., Canada M5S 3G4"],"affiliations":[{"raw_affiliation_string":"Systems Control Group, Department of Electrical and Computer Engineering, University of Toronto, 10 King's College Road, Toronto, Ont., Canada M5S 3G4","institution_ids":["https://openalex.org/I185261750"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5113557516"],"corresponding_institution_ids":["https://openalex.org/I185261750"],"apc_list":{"value":2750,"currency":"USD","value_usd":2750},"apc_paid":null,"fwci":3.0281,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.91264706,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"50","issue":"3","first_page":"209","last_page":"219"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11416","display_name":"Numerical methods for differential equations","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2612","display_name":"Numerical Analysis"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.9994999766349792,"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/T11022","display_name":"Spectral Theory in Mathematical Physics","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/lti-system-theory","display_name":"LTI system theory","score":0.7043285369873047},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6842386722564697},{"id":"https://openalex.org/keywords/linear-system","display_name":"Linear system","score":0.6379650235176086},{"id":"https://openalex.org/keywords/stability","display_name":"Stability (learning theory)","score":0.584505558013916},{"id":"https://openalex.org/keywords/linear-stability","display_name":"Linear stability","score":0.5642321109771729},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.5302576422691345},{"id":"https://openalex.org/keywords/complex-plane","display_name":"Complex plane","score":0.5135579109191895},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.4588582515716553},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.4346344769001007},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.43346428871154785},{"id":"https://openalex.org/keywords/differential-equation","display_name":"Differential equation","score":0.43057823181152344},{"id":"https://openalex.org/keywords/plane","display_name":"Plane (geometry)","score":0.4219474494457245},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.26092466711997986},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.21926909685134888},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16674679517745972},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14766928553581238},{"id":"https://openalex.org/keywords/mathematical-physics","display_name":"Mathematical physics","score":0.07129579782485962}],"concepts":[{"id":"https://openalex.org/C87698059","wikidata":"https://www.wikidata.org/wiki/Q1808960","display_name":"LTI system theory","level":3,"score":0.7043285369873047},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6842386722564697},{"id":"https://openalex.org/C6802819","wikidata":"https://www.wikidata.org/wiki/Q1072174","display_name":"Linear system","level":2,"score":0.6379650235176086},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.584505558013916},{"id":"https://openalex.org/C43466630","wikidata":"https://www.wikidata.org/wiki/Q17098945","display_name":"Linear stability","level":3,"score":0.5642321109771729},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.5302576422691345},{"id":"https://openalex.org/C179117685","wikidata":"https://www.wikidata.org/wiki/Q328998","display_name":"Complex plane","level":2,"score":0.5135579109191895},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.4588582515716553},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4346344769001007},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.43346428871154785},{"id":"https://openalex.org/C78045399","wikidata":"https://www.wikidata.org/wiki/Q11214","display_name":"Differential equation","level":2,"score":0.43057823181152344},{"id":"https://openalex.org/C17825722","wikidata":"https://www.wikidata.org/wiki/Q17285","display_name":"Plane (geometry)","level":2,"score":0.4219474494457245},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.26092466711997986},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.21926909685134888},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16674679517745972},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14766928553581238},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","level":1,"score":0.07129579782485962},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","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},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0167-6911(03)00155-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0167-6911(03)00155-5","pdf_url":null,"source":{"id":"https://openalex.org/S56603566","display_name":"Systems & Control Letters","issn_l":"0167-6911","issn":["0167-6911","1872-7956"],"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":"Systems &amp; Control Letters","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":23,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W1579645751","https://openalex.org/W1967411070","https://openalex.org/W1969484009","https://openalex.org/W1972168701","https://openalex.org/W2007799662","https://openalex.org/W2009319865","https://openalex.org/W2048187422","https://openalex.org/W2050649877","https://openalex.org/W2054865687","https://openalex.org/W2058936716","https://openalex.org/W2061251874","https://openalex.org/W2071376769","https://openalex.org/W2078828849","https://openalex.org/W2131377323","https://openalex.org/W2146418432","https://openalex.org/W2147664758","https://openalex.org/W2163044500","https://openalex.org/W2179522436","https://openalex.org/W2610857016","https://openalex.org/W4241203672","https://openalex.org/W6652217117","https://openalex.org/W6652394133"],"related_works":["https://openalex.org/W2053005959","https://openalex.org/W2299538996","https://openalex.org/W2144143333","https://openalex.org/W2027136373","https://openalex.org/W2276636510","https://openalex.org/W3163145068","https://openalex.org/W2105658174","https://openalex.org/W1990421243","https://openalex.org/W776139355","https://openalex.org/W3007064390"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
