21 citations · 129 across the 26 of their papers we have counts for
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math.PR2017★ 3 cited
Tracy-Widom at each edge of real covariance and MANOVA estimators
Zhou Fan, Iain M. Johnstone
We study the sample covariance matrix for real-valued data with general population covariance, as well as MANOVA-type covariance estimators in variance components models under null…
stat.ME2017★ 7 cited
Approximate -penalized estimation of piecewise-constant signals on graphs
Zhou Fan, Leying Guan
We study recovery of piecewise-constant signals on graphs by the estimator minimizing an -edge-penalized objective. Although exact minimization of this objective may be comput…