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Uncertainty quantification with Bayesian higher order ReLU-KANs
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Journal Article
Uncertainty quantification with Bayesian higher order ReLU-KANs
2025
Overview
We introduce the first method of uncertainty quantification in the domain of Kolmogorov–Arnold Networks, specifically focusing on (Higher Order) ReLU-KANs to enhance computational efficiency given the computational demands of Bayesian methods. The method we propose is general in nature, providing access to both epistemic and aleatoric uncertainties. It is also capable of generalization to other various basis functions. We validate our method through a series of closure tests, commonly found in the KAN literature, including simple one-dimensional functions and application to the domain of (stochastic) partial differential equations. Referring to the latter, we demonstrate the method’s ability to correctly identify functional dependencies introduced through the inclusion of a stochastic term.
Publisher
IOP Publishing
