{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T23:28:44Z","timestamp":1780356524236,"version":"3.54.1"},"reference-count":40,"publisher":"Society for Industrial & Applied Mathematics (SIAM)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["SIAM J. Sci. Comput."],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1137\/21m139548x","type":"journal-article","created":{"date-parts":[[2021,11,11]],"date-time":"2021-11-11T17:18:05Z","timestamp":1636651085000},"page":"A3837-A3861","source":"Crossref","is-referenced-by-count":8,"title":["Two-Level Nystr\u00f6m--Schur Preconditioner for Sparse Symmetric Positive Definite Matrices"],"prefix":"10.1137","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9355-4042","authenticated-orcid":true,"given":"Hussam","family":"Al Daas","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0476-2259","authenticated-orcid":true,"given":"Tyrone","family":"Rees","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2130-1091","authenticated-orcid":true,"given":"Jennifer","family":"Scott","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"351","published-online":{"date-parts":[[2021,11,11]]},"reference":[{"key":"atypb2","doi-asserted-by":"publisher","DOI":"10.1137\/18M1194365"},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1137\/19M1266964"},{"key":"atypb5","first-page":"1","volume":"38","author":"Davis T. A.","year":"2011","journal-title":"ACM Trans. Math. Softw."},{"key":"atypb6","doi-asserted-by":"publisher","DOI":"10.1007\/s101070100263"},{"key":"atypb8","doi-asserted-by":"publisher","DOI":"10.1080\/00207168808803625"},{"key":"atypb10","doi-asserted-by":"publisher","DOI":"10.1137\/S1064827500373231"},{"key":"atypb11","doi-asserted-by":"publisher","DOI":"10.1137\/110820713"},{"key":"atypb12","first-page":"3977","volume":"17","author":"Gittens A.","year":"2016","journal-title":"J. Mach. Learn. Res."},{"key":"atypb15","doi-asserted-by":"publisher","DOI":"10.1137\/130923087"},{"key":"atypb16","doi-asserted-by":"publisher","DOI":"10.1137\/090771806"},{"key":"atypb17","doi-asserted-by":"publisher","DOI":"10.1515\/jnum-2012-0013"},{"key":"atypb18","doi-asserted-by":"publisher","DOI":"10.1137\/18M1182802"},{"key":"atypb19","doi-asserted-by":"publisher","DOI":"10.1137\/16M1107735"},{"key":"atypb21","doi-asserted-by":"publisher","DOI":"10.1007\/s10543-016-0631-z"},{"key":"atypb22","first-page":"97","volume":"47","author":"J\u00f6nsth\u00f6vel T. B.","year":"2009","journal-title":"Comput. Model. Eng. Sci."},{"key":"atypb23","doi-asserted-by":"publisher","DOI":"10.1137\/100803651"},{"key":"atypb24","doi-asserted-by":"publisher","DOI":"10.1016\/0377-0427(88)90358-5"},{"key":"atypb25","doi-asserted-by":"publisher","DOI":"10.1016\/j.laa.2016.10.027"},{"key":"atypb26","doi-asserted-by":"publisher","DOI":"10.1137\/S1064827595287997"},{"key":"atypb27","doi-asserted-by":"publisher","DOI":"10.1002\/nla.2051"},{"key":"atypb28","doi-asserted-by":"publisher","DOI":"10.1017\/S0962492920000021"},{"key":"atypb29","doi-asserted-by":"publisher","DOI":"10.1002\/nla.571"},{"key":"atypb31","doi-asserted-by":"publisher","DOI":"10.1137\/100796376"},{"key":"atypb32","doi-asserted-by":"publisher","DOI":"10.1137\/0724027"},{"key":"atypb33","doi-asserted-by":"publisher","DOI":"10.1007\/BF02547521"},{"key":"atypb34","doi-asserted-by":"publisher","DOI":"10.1016\/0024-3795(80)90247-5"},{"key":"atypb36","doi-asserted-by":"publisher","DOI":"10.1137\/18M1179432"},{"key":"atypb37","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0207(20010220)50:5<1131::AID-NME68>3.0.CO;2-X"},{"key":"atypb38","doi-asserted-by":"publisher","DOI":"10.1145\/2617555"},{"key":"atypb39","doi-asserted-by":"publisher","DOI":"10.1007\/s00211-013-0576-y"},{"key":"atypb40","doi-asserted-by":"publisher","DOI":"10.1002\/nme.4534"},{"key":"atypb41","doi-asserted-by":"publisher","DOI":"10.1137\/S0895479800371529"},{"key":"atypb42","doi-asserted-by":"publisher","DOI":"10.1137\/08072084X"},{"key":"atypb43","doi-asserted-by":"publisher","DOI":"10.1007\/s10915-009-9272-6"},{"key":"atypb44","doi-asserted-by":"publisher","DOI":"10.1006\/jcph.1999.6255"},{"key":"atypb45","doi-asserted-by":"publisher","DOI":"10.1006\/jcph.2001.6795"},{"key":"atypb46","first-page":"682","author":"Williams C. K. I.","year":"2001","journal-title":"MA"},{"key":"atypb47","doi-asserted-by":"publisher","DOI":"10.1561\/0400000060"},{"key":"atypb48","doi-asserted-by":"publisher","DOI":"10.1137\/15M1021830"},{"key":"atypb49","doi-asserted-by":"publisher","DOI":"10.1137\/20M1316445"}],"container-title":["SIAM Journal on Scientific Computing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/epubs.siam.org\/doi\/pdf\/10.1137\/21M139548X","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,12,23]],"date-time":"2021-12-23T15:09:02Z","timestamp":1640272142000},"score":1,"resource":{"primary":{"URL":"https:\/\/epubs.siam.org\/doi\/10.1137\/21M139548X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":40,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2021,1]]}},"alternative-id":["10.1137\/21M139548X"],"URL":"https:\/\/doi.org\/10.1137\/21m139548x","relation":{},"ISSN":["1064-8275","1095-7197"],"issn-type":[{"value":"1064-8275","type":"print"},{"value":"1095-7197","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,1]]}}}