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Multigrid preconditioning for the overlap operator in lattice QCD.
James J. Brannick
Andreas Frommer
Karsten Kahl
Björn Leder
Matthias Rottmann
Artur Strebel
Published in:
Numerische Mathematik (2016)
Keyphrases
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inverse problems
boundary conditions
multiscale
image analysis
multiresolution
iterative methods
edge preserving
image reconstruction
conjugate gradient
emission tomography
concept lattice
linear systems
optical flow computation
computationally expensive
lattice structure
boolean algebra
moving objects