14 citations · 51 across the 12 of their papers we have counts for
Showing 2020Show all
2 papers · 1 filter
cs.MS2020
Sparse Approximate Multifrontal Factorization with Butterfly Compression for High Frequency Wave Equations
Yang Liu, Pieter Ghysels, Lisa Claus +1
We present a fast and approximate multifrontal solver for large-scale sparse linear systems arising from finite-difference, finite-volume or finite-element discretization of high-f…
math.NA2020★ 9 cited
Butterfly factorization via randomized matrix-vector multiplications
Yang Liu, Xin Xing, Han Guo +3
This paper presents an adaptive randomized algorithm for computing the butterfly factorization of a matrix with provided that both the matrix and its trans…