Classical stochastic approximation methods such as SGD in reproducing kernel Hilbert spaces are not able to exploit regions of different regularity of the target function. This slows down local convergence dramatically. To overcome this drawback, we propose to analyze localized SGD approaches.
 Nicole Mücke, Enrico Reiss, Stochastic Gradient Descent in Hilbert Scales: Smoothness, Preconditioning and Earlier Stopping, arXiv:2006.10840
 Nicole Mücke, Gergely Neu, Lorenzo Rosasco, Beating SGD Saturation with Tail-Averaging and Minibatching, 33rd Conference on Neural Information Processing Systems (NeurIPS 2019), Vancouver, Canada,
 Nicole Mücke, Reducing training time by efficient localized kernel regression, Proceedings of Machine Learning Research, PMLR 89:2603-2610, 2019.
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