FI-KAN: Fractal Interpolation Kolmogorov-Arnold Networks

📰 ArXiv cs.AI

FI-KAN introduces fractal interpolation function bases into Kolmogorov-Arnold Networks for multi-scale decomposition in non-smooth function approximation

advanced Published 31 Mar 2026
Action Steps
  1. Understand the limitations of traditional Kolmogorov-Arnold Networks in approximating non-smooth functions
  2. Learn about fractal interpolation function (FIF) bases from iterated function system (IFS) theory
  3. Implement Pure FI-KAN by replacing B-splines with FIF bases
  4. Explore Hybrid FI-KAN for combining B-splines and FIF bases
  5. Evaluate the performance of FI-KAN variants in various function approximation tasks
Who Needs to Know This

ML researchers and engineers on a team can benefit from FI-KAN as it provides a new approach to function approximation, and software engineers can implement the proposed architecture

Key Insight

💡 Incorporating fractal interpolation function bases into KAN enables intrinsic multi-scale decomposition for improved function approximation

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🤖 FI-KAN: fractal interpolation boosts Kolmogorov-Arnold Networks for non-smooth function approximation!
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