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hep-lat2024
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…
hep-lat2023★ 1 cited
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…