A free-knot variant of Kolmogorov-Arnold networks reports higher accuracy with fewer parameters than fixed-grid KAN, but its central smoothing regularizer is mathematically inert and the knot bound proof is not rigorous.
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Free-Knots Kolmogorov-Arnold Network: On the Analysis of Spline Knots and Advancing Stability
A free-knot variant of Kolmogorov-Arnold networks reports higher accuracy with fewer parameters than fixed-grid KAN, but its central smoothing regularizer is mathematically inert and the knot bound proof is not rigorous.