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stat.ML2019★ 8 cited
Overcomplete Independent Component Analysis via SDP
Anastasia Podosinnikova, Amelia Perry, Alexander Wein +3
We present a novel algorithm for overcomplete independent components analysis (ICA), where the number of latent sources k exceeds the dimension p of observed variables. Previous al…
stat.ML2018
Notes on computational-to-statistical gaps: predictions using statistical physics
Afonso S. Bandeira, Amelia Perry, Alexander S. Wein
In these notes we describe heuristics to predict computational-to-statistical gaps in certain statistical problems. These are regimes in which the underlying statistical problem is…