1. ℋ‐matrix techniques for approximating large covariance matrices and estimating its parameters. Issue 1 (October 2016) Authors: Litvinenko, Alexander; Genton, Marc; Sun, Ying; Keyes, David Journal: Proceedings in applied mathematics and mechanics Issue: Volume 16:Issue 1(2016) Page Start: 731 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗