225 citations · 474 across the 21 of their papers we have counts for
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Application of Domain Decomposition to the Evaluation of Fermion Determinant Ratios
Jacob Finkenrath, Francesco Knechtli, Björn Leder
We analyze the fluctuations in the case of mass reweighting for N_f=2 Wilson fermions. We use a domain decomposition factorization of the fermion determinant. Ratios of determinant…
The strange quark mass and Lambda parameter of two flavor QCD
Patrick Fritzsch, Francesco Knechtli, Björn Leder +4
We complete the non-perturbative calculations of the strange quark mass and the Lambda parameter in two flavor QCD by the ALPHA collaboration. The missing lattice scale is determin…
Fermions as Global Correction: the QCD Case
Jacob Finkenrath, Francesco Knechtli, Björn Leder
It is widely believed that the fermion determinant cannot be treated in global acceptance-rejection steps of gauge link configurations that differ in a large fraction of the links.…
Aggregation-based Multilevel Methods for Lattice QCD
Andreas Frommer, Karsten Kahl, Stefan Krieg +2
In Lattice QCD computations a substantial amount of work is spent in solving the Dirac equation. In the recent past it has been observed that conventional Krylov solvers tend to cr…