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math.ST2023
On Uniform Consistency of Spectral Embeddings
Ruofei Zhao, Songkai Xue, Yuekai Sun
In this paper, we study the convergence of the spectral embeddings obtained from the leading eigenvectors of certain similarity matrices to their population counterparts. We opt to…
math.ST2018★ 12 cited
Statistical Convergence of the EM Algorithm on Gaussian Mixture Models
Ruofei Zhao, Yuanzhi Li, Yuekai Sun
We study the convergence behavior of the Expectation Maximization (EM) algorithm on Gaussian mixture models with an arbitrary number of mixture components and mixing weights. We sh…