most citedOn the generalised eigenvalue method and its relation to Prony and generalised pencil of function methods

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hep-lat2020★ 30 cited

On the generalised eigenvalue method and its relation to Prony and generalised pencil of function methods

Matthias Fischer, Bartosz Kostrzewa, Johann Ostmeyer +3

We discuss the relation of three methods to determine energy levels in lattice QCD simulations: the generalised eigenvalue, the Prony and the generalised pencil of function methods…