Author

Emil M. Constantinescu

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Preprint Jul 2026

A Function-Space Dichotomy for Compositional Learning: Exponential Sub-Optimality of the Neural Tangent Kernel

The gap is thus a function-space property, a mismatch between the kernel's smoothness bias and the target's compositional structure, rather than a generic kernel-versus-network phenomenon.

Arkaprabha Ganguli, Emil M. Constantinescu · 1 citation