Spurious Valleys, NP-Hardness, and Tractability of Sparse Matrix Factorization with Fixed Support

Quoc-Tung Le, Elisa Riccietti, RĂ©mi Gribonval. Spurious Valleys, NP-Hardness, and Tractability of Sparse Matrix Factorization with Fixed Support. SIAM J. Matrix Analysis Applications, 44(2):503-529, June 2023. [doi]

Abstract

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