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Author

Toni Karvonen

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Preprint Aug 2026

Why not to use the Gaussian kernel

Kernels measure similarity or correlation in tasks such as regression and classification. The Gaussian kernel, other names of which include squared exponential and radial basis function kernel, is one of the most popular in Gaussian process regression. We argue that the Gaussian kernel is best avoided and should never...

Toni Karvonen, C. Oates · 0 citations

Safe learning-based control via function-based uncertainty quantification

The authors' uncertainty tubes rely solely on sampled realizations and can therefore accommodate discontinuities represented by the sampling model and are integrated into a safe Bayesian optimization algorithm with which to safely tune control parameters on a real Furuta pendulum.

Abdullah Tokmak, Toni Karvonen, Thomas Bo Schön et al. · 1 citation
#machine learning Review Open access Feb 2026

Bayesian Quadrature: Gaussian Processes for Integration

Bayesian quadrature is a probabilistic, model-based approach to numerical integration, the estimation of intractable integrals, or expectations. Although Bayesian quadrature was popularized already in the 1980s, no systematic and comprehensive treatment has been published. The purpose of this survey is to fill this gap...

Maren Mahsereci, Toni Karvonen · 3 citations · ⚡1

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