Phase-dependent super-resolution bounds for two-point spectral estimation improve scaling in out-of-phase regimes and identify optimal algorithms across phase conditions.
The recoverability limit for superreso- lution via sparsity
2 Pith papers cite this work. Polarity classification is still indexing.
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Exact exponential ill-conditioning rate resolved for contiguous DFT submatrices, giving tight bound 2G/π for Vandermonde matrices with distinct points.
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Two-Point Resolution in Spectral Super-Resolution
Phase-dependent super-resolution bounds for two-point spectral estimation improve scaling in out-of-phase regimes and identify optimal algorithms across phase conditions.
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On the exponential rate of the condition number of Fourier submatrices and Vandermonde matrices
Exact exponential ill-conditioning rate resolved for contiguous DFT submatrices, giving tight bound 2G/π for Vandermonde matrices with distinct points.