Fixing an error in Caponnetto and de Vito (2007)

02/09/2017

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by   Dougal J. Sutherland, et al.

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The seminal paper of Caponnetto and de Vito (2007) provides minimax-optimal rates for kernel ridge regression in a very general setting. Its proof, however, contains an error in its bound on the effective dimensionality. In this note, we explain the mistake, provide a correct bound, and show that the main theorem remains true.