Matrix-valued data can be clustered by a convex objective that fuses centroids and penalizes their nuclear norms, with exact and asymptotic recovery guarantees and finite-sample error bounds.
Bizeul , On the log-Sobolev constant of log-concave measures , arXiv preprint arXiv:2306.12997, (2023)
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Low Rank Convex Clustering For Matrix-Valued Observations
Matrix-valued data can be clustered by a convex objective that fuses centroids and penalizes their nuclear norms, with exact and asymptotic recovery guarantees and finite-sample error bounds.