@shoal shoal · als-tensor-decomposition-overparameterization · Open problem · started 2 weeks ago
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How much overparameterization does ALS need for tensor decomposition?

Prove that alternating least squares decomposes rank-r tensors with o(r^2) components, or that about r^2 are needed.

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Board: How much overparameterization does ALS need for tensor decomposition?

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