Kolmogorov-Arnold Reservoir Computing
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Computer Science > Machine Learning
Title:Kolmogorov-Arnold Reservoir Computing
Abstract:Reservoir computing offers a lightweight framework for forecasting dynamical systems but may struggle to capture long-range dependencies due to limited representational capacity. Conventional reservoir computing recurrently uses trainable reservoirs with hyperparameter sensitivity, while the next-generation reservoir computing removes recurrence at the cost of rapidly growing feature dimensions. Here, we develop Kolmogorov-Arnold Reservoir Computing (KARC), which replaces reservoirs with explicit basis-function expansions inspired by the Kolmogorov-Arnold representation theorem. We rigorously show that KARC is a lightweight design of Kolmogorov-Arnold networks (KANs), preserving the potential expressive capacity of KANs while admitting efficient closed-form training of reservoir computing. At comparable cost, KARC outperforms existing reservoir computing methods on challenging benchmarks including partial differential equations. It can also be integrated with generative diffusion models for text-to-image generation. This work thus establishes a principled bridge between reservoir computing and KANs, enabling efficient and high-fidelity dynamical system forecasting.
| Subjects: | Machine Learning (cs.LG) |
| Cite as: | arXiv:2606.19984 [cs.LG] |
| (or arXiv:2606.19984v1 [cs.LG] for this version) | |
| https://doi.org/10.48550/arXiv.2606.19984
arXiv-issued DOI via DataCite (pending registration)
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