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20042022
most citedThe pseudoscalar hadronic channel contribution of the light-by-light process to the muon (g-2) within the nonlocal chiral quark model

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math.NA2022

Direct optimization of BPX preconditioners

Vladimir Fanaskov, Ivan Oseledets

We consider an automatic construction of locally optimal preconditioners for positive definite linear systems. To achieve this goal, we introduce a differentiable loss function tha…