Projection of the low-lying eigenmodes of the overlap Dirac operator in lattice QCD

preprint2014arXivOpen access

Abstract

We outline our implementation of the adaptive thick-restart Lanczos algorithm (aa-TRLan) for the projection of the low-lying eigenmodes of the overlap Dirac operator in lattice QCD, and compare the performances of our code and the widely used package ARPACK.

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