84 citations · 222 across the 12 of their papers we have counts for
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hep-lat2013★ 12 cited
Extending the eigCG algorithm to nonsymmetric Lanczos for linear systems with multiple right-hand sides
A. M. Abdel-Rehim, Andreas Stathopoulos, Kostas Orginos
The technique that was used to build the EigCG algorithm for sparse symmetric linear systems is extended to the nonsymmetric case using the BiCG algorithm. We show that, similarly…
hep-lat2013
Hierarchical probing for estimating the trace of the matrix inverse on toroidal lattices
Andreas Stathopoulos, Jesse Laeuchli, Kostas Orginos
The standard approach for computing the trace of the inverse of a very large, sparse matrix is to view the trace as the mean value of matrix quadratures, and use the Monte Carl…