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Yu-Ling He

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Preprint Jul 2026

Automatic Model-Order Selection for Nonnegative Matrix Factorization via Column $\ell_{2,0}$ Regularization

The critical points and local minimizers of the model are characterized, a sufficient-condition result for rank recovery is provided, and whole-sequence convergence of the proposed algorithms under explicit step-size and inertial-parameter conditions are proved using the Kurdyka--\L{}ojasiewicz framework.

Yu-Ling He, Ran Gu · 0 citations