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20182021
most citedShallow Neural Network can Perfectly Classify an Object following Separable Probability Distribution

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math.ST2021

Detection of Signal in the Spiked Rectangular Models

Ji Hyung Jung, Hye Won Chung, Ji Oon Lee

We consider the problem of detecting signals in the rank-one signal-plus-noise data matrix models that generalize the spiked Wishart matrices. We show that the principal component…

math.ST2020

Weak Detection in the Spiked Wigner Model with General Rank

Ji Hyung Jung, Hye Won Chung, Ji Oon Lee

We study the statistical decision process of detecting the signal from a `signal+noise' type matrix model with an additive Wigner noise. We propose a hypothesis test based on the l…