{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T10:06:41Z","timestamp":1773396401112,"version":"3.50.1"},"reference-count":12,"publisher":"Informa UK Limited","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Linear and Multilinear Algebra"],"published-print":{"date-parts":[[2001,4]]},"DOI":"10.1080\/03081080108818675","type":"journal-article","created":{"date-parts":[[2007,7,7]],"date-time":"2007-07-07T19:45:29Z","timestamp":1183837529000},"page":"281-292","source":"Crossref","is-referenced-by-count":10,"title":["Linear operators preserving the numerical range (radius) on triangular matrices"],"prefix":"10.1080","volume":"48","author":[{"given":"Chi-Kwong","family":"Li","sequence":"first","affiliation":[]},{"given":"Peter","family":"\u0160emrl","sequence":"additional","affiliation":[]},{"given":"Graca","family":"Soares","sequence":"additional","affiliation":[]}],"member":"301","reference":[{"key":"CIT0001","first-page":"1437","volume":"123","author":"Chan J. T.","year":"1995","journal-title":"Proc. Amer. Math. Soc"},{"key":"CIT0002","doi-asserted-by":"publisher","DOI":"10.1007\/s000130050223"},{"key":"CIT0003","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9780511840371"},{"key":"CIT0004","doi-asserted-by":"publisher","DOI":"10.1080\/03081088708817779"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.1090\/S0002-9939-1987-0877024-7"},{"key":"CIT0006","doi-asserted-by":"publisher","DOI":"10.1080\/03081088808817854"},{"key":"CIT0007","doi-asserted-by":"publisher","DOI":"10.1080\/03081088808817888"},{"key":"CIT0008","volume-title":"Inequalities: Theory of Majorization and its Applications","author":"Marshall A. W.","year":"1979"},{"key":"CIT0009","doi-asserted-by":"publisher","DOI":"10.1016\/0024-3795(90)90004-V"},{"key":"CIT0010","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1002\/sapm1975542143","volume":"54","author":"Pellegrini V.","year":"1975","journal-title":"Studia Math."},{"key":"CIT0011","doi-asserted-by":"publisher","DOI":"10.1080\/03081087808817237"},{"key":"CIT0012","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1080\/03081089208818176","volume":"33","author":"Pierce S.","year":"1992","journal-title":"Linear and Multilinear Algebra"}],"container-title":["Linear and Multilinear Algebra"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/03081080108818675","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,17]],"date-time":"2017-06-17T20:10:12Z","timestamp":1497730212000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.tandfonline.com\/doi\/abs\/10.1080\/03081080108818675"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001,4]]},"references-count":12,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2001,4]]}},"alternative-id":["10.1080\/03081080108818675"],"URL":"https:\/\/doi.org\/10.1080\/03081080108818675","relation":{},"ISSN":["0308-1087","1563-5139"],"issn-type":[{"value":"0308-1087","type":"print"},{"value":"1563-5139","type":"electronic"}],"subject":[],"published":{"date-parts":[[2001,4]]}}}