000842441 001__ 842441
000842441 005__ 20211128011413.0
000842441 0247_ $$2arXiv$$aarXiv:1701.00726
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000842441 037__ $$aFZJ-2018-00677
000842441 1001_ $$0P:(DE-Juel1)132580$$aDurr, Stephan$$b0$$eCorresponding author$$ufzj
000842441 245__ $$aOn the suitability of the Brillouin action as a kernel to the overlap procedure
000842441 260__ $$c2017
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000842441 520__ $$aWe investigate the Brillouin action in terms of its suitability as a kernel to the overlap procedure, with a view on both heavy and light quark physics. We use the diagonal elements of the Kenney-Laub family of iterations for the sparse matrix sign function, since they grow monotonically and facilitate cascaded preconditioning strategies with different rational approximations to the sign function. We find that the overlap action with the Brillouin kernel is significantly better localized than the version with the Wilson kernel.
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000842441 7001_ $$0P:(DE-HGF)0$$aKoutsou, Giannis$$b1
000842441 8564_ $$uhttps://juser.fz-juelich.de/record/842441/files/1701.00726.pdf$$yOpenAccess
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