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The minimal width of universal p-adic ReLU neural networks

arXiv 2603.00064 ↗First posted 10 Feb 2026math.NT cs.LGcited by 0

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Abstract (arXiv)

We determine the minimal width of p-adic neural networks with the universal approximation property for continuous mathbb Qp-valued functions on compact open subsets with respect to the Lq norms and the C1 norm, where the activation function is a natural p-adic analogue of the ReLU function.

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References · 4

  1. 2017The Expressive Power of Neural Networks: A View from the Widthcited by 318
  2. 2017Approximating Continuous Functions by ReLU Nets of Minimal Widthcited by 120
  3. 2020Minimum Width for Universal Approximationcited by 92
  4. 2023Minimum width for universal approximation using ReLU networks on compact domaincited by 17

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