{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:56:27Z","timestamp":1760244987371,"version":"build-2065373602"},"reference-count":14,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2002,8,1]],"date-time":"2002-08-01T00:00:00Z","timestamp":1028160000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2002,8,1]],"date-time":"2002-08-01T00:00:00Z","timestamp":1028160000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":4003,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Applied Mathematics Letters"],"published-print":{"date-parts":[[2002,8]]},"DOI":"10.1016\/s0893-9659(02)00026-5","type":"journal-article","created":{"date-parts":[[2002,10,8]],"date-time":"2002-10-08T08:14:51Z","timestamp":1034064891000},"page":"671-675","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"title":["Symmetric singular linear control systems"],"prefix":"10.1016","volume":"15","author":[{"given":"R.","family":"Bru","sequence":"first","affiliation":[]},{"given":"C.","family":"Coll","sequence":"additional","affiliation":[]},{"given":"N.","family":"Thome","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"year":"1973","author":"Anderson","key":"10.1016\/S0893-9659(02)00026-5_BIB1"},{"key":"10.1016\/S0893-9659(02)00026-5_BIB2","doi-asserted-by":"crossref","first-page":"487","DOI":"10.1109\/TCS.1985.1085737","article-title":"On the cross-Gramian for symmetric MIMO systems","volume":"32","author":"Fernando","year":"1985","journal-title":"IEEE Trans. Circuits Systems"},{"key":"10.1016\/S0893-9659(02)00026-5_BIB3","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/S0167-6911(96)00072-2","article-title":"Model reduction of systems with zeros interlacing the poles","volume":"30","author":"Srinivasan","year":"1997","journal-title":"Systems & Control Letters"},{"key":"10.1016\/S0893-9659(02)00026-5_BIB4","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1016\/S0167-6911(98)00024-3","article-title":"Model reduction for state-space symmetric systems","volume":"34","author":"Liu","year":"1998","journal-title":"Systems & Control Letters"},{"issue":"1","key":"10.1016\/S0893-9659(02)00026-5_BIB5","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1109\/TAC.1981.1102568","article-title":"Principal component analysis in linear systems: Controllability, observability, and model reduction","volume":"AC-26","author":"Moore","year":"1981","journal-title":"IEEE Trans.-Autom. Control"},{"volume":"Volume I","year":"1992","author":"Kaczorek","key":"10.1016\/S0893-9659(02)00026-5_BIB6"},{"issue":"8","key":"10.1016\/S0893-9659(02)00026-5_BIB7","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1016\/S0893-9659(00)00088-4","article-title":"Balancing singular discrete-time systems","volume":"13","author":"Bru","year":"2000","journal-title":"Appl. Math. Lett."},{"issue":"2","key":"10.1016\/S0893-9659(02)00026-5_BIB8","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1109\/TAC.1983.1103195","article-title":"On the structure of balanced and other principal representations of SISO systems","volume":"AC-28","author":"Fernando","year":"1983","journal-title":"IEEE Trans. Autom. Control"},{"key":"10.1016\/S0893-9659(02)00026-5_BIB9","doi-asserted-by":"crossref","first-page":"904","DOI":"10.1109\/PROC.1983.12688","article-title":"A note on cross-Gramian for symmetric realizations","volume":"71","author":"Laub","year":"1983","journal-title":"Proc. IEEE"},{"key":"10.1016\/S0893-9659(02)00026-5_BIB10","doi-asserted-by":"crossref","first-page":"997","DOI":"10.1109\/TCS.1987.1086262","article-title":"Balanced realization of orthogonality symmetric transfer function matrices","volume":"34","author":"De Abreu-Garc\u00eda","year":"1987","journal-title":"IEEE Trans. Circuits Systems"},{"year":"1974","author":"Ben-Israel","key":"10.1016\/S0893-9659(02)00026-5_BIB11"},{"year":"1996","author":"Skogestad","key":"10.1016\/S0893-9659(02)00026-5_BIB12"},{"year":"1989","author":"Dai","key":"10.1016\/S0893-9659(02)00026-5_BIB13"},{"issue":"2\/3","key":"10.1016\/S0893-9659(02)00026-5_BIB14","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1080\/03081089808818587","article-title":"Group inverse and group involutory matrices","volume":"45","author":"Bru","year":"1998","journal-title":"Linear and Multilinear Algebra"}],"container-title":["Applied Mathematics Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965902000265?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0893965902000265?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T03:06:01Z","timestamp":1760238361000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0893965902000265"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,8]]},"references-count":14,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2002,8]]}},"alternative-id":["S0893965902000265"],"URL":"https:\/\/doi.org\/10.1016\/s0893-9659(02)00026-5","relation":{},"ISSN":["0893-9659"],"issn-type":[{"type":"print","value":"0893-9659"}],"subject":[],"published":{"date-parts":[[2002,8]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Symmetric singular linear control systems","name":"articletitle","label":"Article Title"},{"value":"Applied Mathematics Letters","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/S0893-9659(02)00026-5","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2002 Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}