Sharp statistically optimal recovery guarantees for second-order critical points of nonconvex matrix LASSO under RIP, with counterexamples showing overparametrization does not always improve the landscape.
Low solution rank of the matrix LASSO under RIP with consequences for rank- constrained algorithms,
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Sharp recovery and landscape guarantees for the nonconvex matrix LASSO
Sharp statistically optimal recovery guarantees for second-order critical points of nonconvex matrix LASSO under RIP, with counterexamples showing overparametrization does not always improve the landscape.