{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T06:18:12Z","timestamp":1774419492325,"version":"3.50.1"},"reference-count":39,"publisher":"IEEE","license":[{"start":{"date-parts":[[2025,4,6]],"date-time":"2025-04-06T00:00:00Z","timestamp":1743897600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2025,4,6]],"date-time":"2025-04-06T00:00:00Z","timestamp":1743897600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100020487","name":"Nature","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100020487","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,4,6]]},"DOI":"10.1109\/icassp49660.2025.10890766","type":"proceedings-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T13:52:43Z","timestamp":1741787563000},"page":"1-5","source":"Crossref","is-referenced-by-count":0,"title":["Large Covariance Matrix Estimation for Groups of Highly Correlated Variables via Nonconvex Optimization"],"prefix":"10.1109","author":[{"given":"Shanshan","family":"Zou","sequence":"first","affiliation":[{"name":"ShanghaiTech University,School of Information Science and Technology,Shanghai,China"}]},{"given":"Ziping","family":"Zhao","sequence":"additional","affiliation":[{"name":"ShanghaiTech University,School of Information Science and Technology,Shanghai,China"}]}],"member":"263","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.psych.47.1.563"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.2202\/1544-6115.1175"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2018.2799193"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2019.2893862"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/PROC.1969.7278"},{"key":"ref6","volume-title":"Array Signal Processing","author":"Pillai","year":"2012"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-45528-0"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1214\/aos\/1009210544"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1214\/08-AOS600"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1198\/jasa.2009.0101"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1111\/ectj.12061"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1214\/10-AOS850"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.3150\/12-BEJ487"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2019.2906405"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1214\/12-AOS1000"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP48485.2024.10447865"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1214\/09-AOS752"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1007\/s00440-012-0422-7"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/9.905704"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1214\/009053607000000758"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.5705\/ss.2010.253"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1016\/j.jmva.2006.08.003"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1093\/biomet\/ass025"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1080\/01621459.2012.725386"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1080\/10618600.2013.782818"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-9868.2012.01049.x"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1007\/s40305-021-00351-y"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.96.12.6745"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1016\/j.jocs.2024.102348"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.2307\/2346830"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1093\/comjnl\/16.1.30"},{"key":"ref32","first-page":"51","article-title":"Estimation of simultaneously sparse and low rank matrices","volume-title":"Proc. Int. Conf. Mach. Learn","author":"Richard"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1007\/s40305-014-0058-7"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1198\/016214501753382273"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1214\/09-AOS729"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2023.3311523"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2016.2601299"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.2307\/2975974.JSTOR2975974"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1007\/0-387-30528-9_7"}],"event":{"name":"ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","location":"Hyderabad, India","start":{"date-parts":[[2025,4,6]]},"end":{"date-parts":[[2025,4,11]]}},"container-title":["ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/10887540\/10887541\/10890766.pdf?arnumber=10890766","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T05:23:08Z","timestamp":1774416188000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/10890766\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,4,6]]},"references-count":39,"URL":"https:\/\/doi.org\/10.1109\/icassp49660.2025.10890766","relation":{},"subject":[],"published":{"date-parts":[[2025,4,6]]}}}