{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T19:31:57Z","timestamp":1761766317674},"reference-count":7,"publisher":"Informa UK Limited","issue":"1","content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["The American Mathematical Monthly"],"published-print":{"date-parts":[[2018,1,2]]},"DOI":"10.1080\/00029890.2018.1392737","type":"journal-article","created":{"date-parts":[[2017,12,21]],"date-time":"2017-12-21T16:48:01Z","timestamp":1513874881000},"page":"69-74","update-policy":"http:\/\/dx.doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":1,"title":["Preimages of the Numerical Range"],"prefix":"10.1080","volume":"125","author":[{"given":"John","family":"Clifford","sequence":"first","affiliation":[{"name":"Department of Mathematics & Statistics, University of Michigan \u2013 Dearborn, Dearborn, MI, 48128"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kelly","family":"Jabbusch","sequence":"additional","affiliation":[{"name":"Department of Mathematics & Statistics, University of Michigan \u2013 Dearborn, Dearborn, MI, 48128"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Lachance","sequence":"additional","affiliation":[{"name":"Department of Mathematics & Statistics, University of Michigan \u2013 Dearborn, Dearborn, MI, 48128"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"301","published-online":{"date-parts":[[2017,12,21]]},"reference":[{"key":"cit0001","doi-asserted-by":"crossref","first-page":"245","DOI":"10.4153\/CMB-1971-042-7","volume":"14","author":"Davis C.","year":"1971","journal-title":"Canad. Math. Bull."},{"key":"cit0002","doi-asserted-by":"crossref","DOI":"10.1007\/978-1-4613-8498-4","volume-title":"Numerical Range","author":"Gustafson K.","year":"1997"},{"key":"cit0003","volume-title":"Topics in Matrix Analysis","author":"Horn R.","year":"1994"},{"key":"cit0004","doi-asserted-by":"crossref","first-page":"699","DOI":"10.7153\/oam-08-39","volume":"3","author":"Leake T.","year":"2014","journal-title":"Operators and Matrices"},{"key":"cit0005","first-page":"1985","volume":"7","author":"Li C.-K.","year":"1996","journal-title":"Proc. Amer. Math. Soc."},{"key":"cit0006","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1023\/A:1009760027676","volume":"1","author":"Lyubich Y.","year":"1997","journal-title":"Positivity."},{"key":"cit0007","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/0024-3795(84)90125-3","volume":"56","author":"Tsing N.-K.","year":"1984","journal-title":"Linear Alg. Appli."}],"container-title":["The American Mathematical Monthly"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/00029890.2018.1392737","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2018,3,1]],"date-time":"2018-03-01T09:58:18Z","timestamp":1519898298000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/00029890.2018.1392737"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,12,21]]},"references-count":7,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2018,1,11]]},"published-print":{"date-parts":[[2018,1,2]]}},"alternative-id":["10.1080\/00029890.2018.1392737"],"URL":"https:\/\/doi.org\/10.1080\/00029890.2018.1392737","relation":{},"ISSN":["0002-9890","1930-0972"],"issn-type":[{"value":"0002-9890","type":"print"},{"value":"1930-0972","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,12,21]]},"assertion":[{"value":"The publishing and review policy for this title is described in its Aims & Scope.","order":1,"name":"peerreview_statement","label":"Peer Review Statement"},{"value":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=uamm20","URL":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=uamm20","order":2,"name":"aims_and_scope_url","label":"Aim & Scope"}]}}