18 citations · 94 across the 21 of their papers we have counts for
Showing 2022Show all
2 papers · 1 filter
stat.ML2022
Rank-1 Matrix Completion with Gradient Descent and Small Random Initialization
Daesung Kim, Hye Won Chung
The nonconvex formulation of the matrix completion problem has received significant attention in recent years due to its affordable complexity compared to the convex formulation. G…
math.ST2022★ 1 cited
Asymptotic Normality of Log Likelihood Ratio and Fundamental Limit of the Weak Detection for Spiked Wigner Matrices
Hye Won Chung, Jiho Lee, Ji Oon Lee
We consider the problem of detecting the presence of a signal in a rank-one spiked Wigner model. For general non-Gaussian noise, assuming that the signal is drawn from the Rademach…