In this section we present our main results regarding systems of equations in solvable groups. The next lemma deals with the case when the group is virtually abelian.
We studied the subsampled Newton (SSN) method and its variants, GIANT and SSPN, and established stronger convergence guarantees than the prior works. In particular, we showed that a sample size of s=~Θ(dγeff) suffices, where γ is the ℓ2 regularizati…
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