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Optimal Parameter-Free Second-order Acceleration with Inexact Hessians under Generalized Smoothness
We study second-order convex optimization under generalized Hessian smoothness, where the local Hessian Lipschitz constant may grow linearly with the gradient norm. For inexact Hessians, we develop adaptive algorithms, including an accelerated Monteiro-Svaiter-type method whose complexity matches th
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