2.3k citations · 2.7k across the 38 of their papers we have counts for
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stat.ML2017★ 3 cited
Alternating minimization for dictionary learning: Local Convergence Guarantees
Niladri S. Chatterji, Peter L. Bartlett
We present theoretical guarantees for an alternating minimization algorithm for the dictionary learning/sparse coding problem. The dictionary learning problem is to factorize vecto…
stat.ML2017★ 97 cited
Underdamped Langevin MCMC: A non-asymptotic analysis
Xiang Cheng, Niladri S. Chatterji, Peter L. Bartlett +1
We study the underdamped Langevin diffusion when the log of the target distribution is smooth and strongly concave. We present a MCMC algorithm based on its discretization and show…