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The necessity of angular separation for parameter recovery in the Gaussian multi-index model
Consider the Gaussian multi-index model with hidden indices $\{\boldsymbol{w}_1^\star,\ldots,\boldsymbol{w}_M^\star\}$ satisfying the separation condition required in Theorem 1 of…
Conjectureopengaussian-mixture-models mean-field-langevin-dynamics statistical-learningarXiv posted 2 days ago

The necessity of angular separation for parameter recovery in the Gaussian multi-index model