{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,22]],"date-time":"2026-04-22T07:53:40Z","timestamp":1776844420936,"version":"3.51.2"},"reference-count":8,"publisher":"Society for Industrial & Applied Mathematics (SIAM)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["SIAM J. Matrix Anal. &amp; Appl."],"published-print":{"date-parts":[[2010,1]]},"DOI":"10.1137\/090775932","type":"journal-article","created":{"date-parts":[[2010,7,1]],"date-time":"2010-07-01T18:03:28Z","timestamp":1278007408000},"page":"2261-2290","source":"Crossref","is-referenced-by-count":58,"title":["On the Numerical Rank of the Off-Diagonal Blocks of Schur Complements of Discretized Elliptic PDEs"],"prefix":"10.1137","volume":"31","author":[{"given":"S.","family":"Chandrasekaran","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Dewilde","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Gu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N.","family":"Somasunderam","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"351","reference":[{"key":"R1","doi-asserted-by":"publisher","DOI":"10.1137\/060669747"},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1007\/s00211-002-0445-6"},{"key":"R3","doi-asserted-by":"publisher","DOI":"10.1137\/S0895479803436652"},{"key":"R6","doi-asserted-by":"publisher","DOI":"10.1007\/BF01213791"},{"key":"R7","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9991(87)90140-9"},{"key":"R10","doi-asserted-by":"publisher","DOI":"10.1137\/0716027"},{"key":"R13","doi-asserted-by":"publisher","DOI":"10.1307\/mmj\/1028999029"},{"key":"R15","doi-asserted-by":"publisher","DOI":"10.1007\/BF02165411"}],"container-title":["SIAM Journal on Matrix Analysis and Applications"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/epubs.siam.org\/doi\/pdf\/10.1137\/090775932","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,10,2]],"date-time":"2017-10-02T12:03:41Z","timestamp":1506945821000},"score":1,"resource":{"primary":{"URL":"http:\/\/epubs.siam.org\/doi\/10.1137\/090775932"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,1]]},"references-count":8,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2010,1]]}},"alternative-id":["10.1137\/090775932"],"URL":"https:\/\/doi.org\/10.1137\/090775932","relation":{},"ISSN":["0895-4798","1095-7162"],"issn-type":[{"value":"0895-4798","type":"print"},{"value":"1095-7162","type":"electronic"}],"subject":[],"published":{"date-parts":[[2010,1]]}}}