Bayesian Optimization with Fisher Information Geometry: Gradient Bounds and Trust-Region Methods
FITR is proposed, a trust-region-based BO method that replaces lengthscale-based scaling by local pullback-Fisher weights and easily generalizes to non-isotropic surrogates, although the gains are more task-dependent in that setting.
Saksham Kiroriwal, Julius Pfrommer, Jürgen Beyerer
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