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stat.ML2026
Simple-regret rates and minimax optimality of fixed-prior expected improvement in Matérn and squared-exponential RKHSs
Emmanuel Vazquez, Sébastien Petit
We study expected improvement (EI) for minimizing a deterministic function in the RKHS of a continuous positive-semidefinite kernel on a nonempty compact set…
stat.ML2021★ 17 cited
Numerical issues in maximum likelihood parameter estimation for Gaussian process interpolation
Subhasish Basak, Sébastien Petit, Julien Bect +1
This article investigates the origin of numerical issues in maximum likelihood parameter estimation for Gaussian process (GP) interpolation and investigates simple but effective st…