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20192026
most citedPrincipal components of spiked covariance matrices in the supercritical regime

3 citations · 5 across the 7 of their papers we have counts for

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2 papers · 1 filter

math.ST2024

Entry-Wise Eigenvector Analysis and Improved Rates for Topic Modeling on Short Documents

Zheng Tracy Ke, Jingming Wang

Topic modeling is a widely utilized tool in text analysis. We investigate the optimal rate for estimating a topic model. Specifically, we consider a scenario with documents, a…

cs.LG2024★ 1 cited

Improved Algorithm and Bounds for Successive Projection

Jiashun Jin, Zheng Tracy Ke, Gabriel Moryoussef +2

Given a -vertex simplex in a -dimensional space, suppose we measure points on the simplex with noise (hence, some of the observed points fall outside the simplex). Vertex…