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01/12/2023
Detection problems in the spiked matrix models
We study the statistical decision process of detecting the low-rank sign...
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06/20/2022
Phase Transition in the Generalized Stochastic Block Model
We study the problem of detecting the community structure from the gener...
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03/02/2022
Asymptotic Normality of Log Likelihood Ratio and Fundamental Limit of the Weak Detection for Spiked Wigner Matrices
We consider the problem of detecting the presence of a signal in a rank-...
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04/28/2021
Detection of Signal in the Spiked Rectangular Models
We consider the problem of detecting signals in the rank-one signal-plus...
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01/16/2020
Weak Detection in the Spiked Wigner Model with General Rank
We study the statistical decision process of detecting the presence of s...
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08/17/2019
Extremal eigenvalues of sample covariance matrices with general population
We analyze the behavior of the largest eigenvalues of sample covariance ...
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09/28/2018
Weak detection of signal in the spiked Wigner model
We consider the problem of detecting the presence of the signal in a ran...
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09/04/2018
Parity Crowdsourcing for Cooperative Labeling
Consider a database of k objects, e.g., a set of videos, where each obje...
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12/01/2017