Establishes a sharp computational phase transition for learning-to-sample from constantly bounded-width Ising models exactly at the spectral threshold λ_max(J)−λ_min(J)=1, with hardness above and tractability below under crypto assumptions.
45 Ankur Moitra, Elchanan Mossel, and Colin P Sandon
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A computational phase transition for learning-to-sample from Ising models
Establishes a sharp computational phase transition for learning-to-sample from constantly bounded-width Ising models exactly at the spectral threshold λ_max(J)−λ_min(J)=1, with hardness above and tractability below under crypto assumptions.