Reproduce “Reduced Effectiveness of Kolmogorov-Arnold Networks on Functions with Noise” on OpenResearch

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About this paper

Haoran Shen, Chen Zeng, Jiahui Wang, Qiao Wang

Research quantifies the performance degradation of Kolmogorov-Arnold Networks (KANs) when trained on noisy data. It demonstrates that oversampling training data significantly improves KAN robustness, with test loss decreasing asymptotically by O(r^(-1/2)) as data size increases, while kernel filtering shows limited and context-dependent benefits.

Key insights

  • Kolmogorov-Arnold Networks (KANs) exhibit substantial performance degradation even with small amounts of noise in training data.
  • Oversampling training data is an effective strategy for mitigating noise sensitivity in KANs, improving performance across various noise levels.
  • Kernel filtering can reduce noise impact in high noise scenarios, but its effectiveness depends critically on hard-to-determine optimal parameters and can be counterproductive at lower noise levels.

Summary by alphaXiv.

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