A Newton-type method for box-constrained ℓ0-regularized optimization is shown to converge globally and quadratically near a strict local minimizer.
Proceedings of the IEEE 98(6), 1031–1044 (2010)
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Subspace Newton's Method for $\ell_0$-Regularized Optimization Problems with Box Constraint
A Newton-type method for box-constrained ℓ0-regularized optimization is shown to converge globally and quadratically near a strict local minimizer.