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Multipolynomial Monte Carlo Trace Estimation
Paul Lashomb, Ronald B. Morgan, Travis Whyte +1
In lattice QCD the calculation of disconnected quark loops from the trace of the inverse quark matrix has large noise variance. A multilevel Monte Carlo method is proposed for this…
Multi-Polynomial Monte Carlo for Trace Estimation in Lattice QCD
Paul Lashomb, Ronald B. Morgan, Travis Whyte +1
Estimating the trace of the inverse of a large matrix is an important problem in lattice quantum chromodynamics. A multilevel Monte Carlo method is proposed for this problem that u…
High-degree Polynomial Noise Subtraction
Paul Lashomb, Ronald B. Morgan, Travis Whyte +1
In lattice QCD, the calculation of physical quantities from disconnected quark loop calculations have large variance due to the use of Monte Carlo methods for the estimation of the…