Half-line Dirac operators with L2 potentials admit an explicit, two-sided weighted stability estimate between potentials and their Schur spectral functions, proved via an exact Kronig-Penney model and Schur's algorithm.
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Direct and inverse spectral continuity for Dirac operators
Half-line Dirac operators with L2 potentials admit an explicit, two-sided weighted stability estimate between potentials and their Schur spectral functions, proved via an exact Kronig-Penney model and Schur's algorithm.