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math.SP2024
Computing the spectrum and pseudospectrum of infinite-volume operators from local patches
Paul Hege, Massimo Moscolari, Stefan Teufel
We show how the spectrum of normal discrete short-range infinite-volume operators can be approximated with two-sided error control using only data from finite-sized local patches.…
math-ph2024★ 1 cited
Equality of magnetization and edge current for interacting lattice fermions at positive temperature
Jonas Lampart, Massimo Moscolari, Stefan Teufel +1
We prove that the magnetization is equal to the edge current in the thermodynamic limit for a large class of models of lattice fermions with finite-range interactions satisfying lo…