Abstract
It is shown that transfer functions, which play a crucial role in M.G. Krein’s study of inverse spectral problems, are a proper tool to formulate local spectral uniqueness conditions.
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Dedicated to Professor Zoltán Sasvári on the occasion of his 60th birthday
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Langer, H. Transfer Functions and Local Spectral Uniqueness for Sturm-Liouville Operators, Canonical Systems and Strings. Integr. Equ. Oper. Theory 85, 1–23 (2016). https://doi.org/10.1007/s00020-016-2292-3
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DOI: https://doi.org/10.1007/s00020-016-2292-3