arXiv:hep-lat/0409030·v1·High Energy Physics — Lattice
Improving Inversions of the Overlap Operator
S. Krieg🇩🇪 · N. Cundy🇩🇪 · J.van den Eshof🇩🇪 · A. Frommer🇩🇪 · Th. Lippert🇩🇪 · K. Schäfer🇩🇪
Abstract
We present relaxation and preconditioning techniques which accelerate the inversion of the overlap operator by a factor of four on small lattices, with larger gains as the lattice size increases. These improvements can be used in both propagator calculations and dynamical simulations.
Comments: lattice2004(machines)