First poly-time algorithm for dihedral and projected MRA via recursive method of moments on the third moment tensor, conditional on a verifiable rank conjecture for power-of-two lengths.
Diagonally-weighted gener- alized method of moments estimation for Gaussian mixture modeling.arXiv preprint arXiv:2507.20459, 2025
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In low-SNR Gaussian latent-variable models, optimally weighted GMoM using minimal-order moments achieves the same leading asymptotic covariance as MLE via matching layerwise expansions of the information operators.
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Beyond Frequency Marching: Orbit Recovery in Dihedral and Projected Multireference Alignment
First poly-time algorithm for dihedral and projected MRA via recursive method of moments on the third moment tensor, conditional on a verifiable rank conjecture for power-of-two lengths.