ITQDE can stably extract coarse spectral data with polynomially many shots and overlaps, provided the energy gaps of interest lie within a bandwidth set by the filter width tau and the shot budget K.
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Free Snacks in Quantum Complexity
ITQDE can stably extract coarse spectral data with polynomially many shots and overlaps, provided the energy gaps of interest lie within a bandwidth set by the filter width tau and the shot budget K.