204 citations · 422 across the 26 of their papers we have counts for
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math.NA2014★ 12 cited
Fast symmetric factorization of hierarchical matrices with applications
Sivaram Ambikasaran, Michael O'Neil, Karan Raj Singh
We present a fast direct algorithm for computing symmetric factorizations, i.e. , of symmetric positive-definite hierarchical matrices with weak-admissibility conditions.…
math.NA2014
Fast Direct Methods for Gaussian Processes
Sivaram Ambikasaran, Daniel Foreman-Mackey, Leslie Greengard +2
A number of problems in probability and statistics can be addressed using the multivariate normal (Gaussian) distribution. In the one-dimensional case, computing the probability fo…