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Distinguishability and Recovery for a Doubly Sparse Spiked Wigner Model

arXiv:2610.23033v1 Announce Type: new Abstract: We study distinguishability and recovery of a sparse rank-one signal in a spiked Wigner model with independently sparse noise through a variety of algorithms and parameter regimes. The signal and noise have separate sparsity parameters, while the sign…

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  1. 2026-10-19 04:00 · arXiv stat.ML
    Distinguishability and Recovery for a Doubly Sparse Spiked Wigner Model

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