Preprint

FZJ-2018-00677

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png On the suitability of the Brillouin action as a kernel to the overlap procedure

Durr, S. (Corresponding author)FZJ* ; Koutsou, G.

2017

This record in other databases:

Please use a persistent id in citations: http://hdl.handle.net/2128/29083

Abstract: We 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.

---

Contributing Institute(s):

1. Jülich Supercomputing Center (JSC)

Research Program(s):

1. 5111 - Domain-Specific Simulation & Data Life Cycle Labs (SDLs) and Research Groups (POF4-511) (POF4-511)

---

Database coverage:

---