Equivariant Neural Tangent Kernels
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Abstract (arXiv)
Little is known about the training dynamics of equivariant neural networks, in particular how it compares to data augmented training of their non-equivariant counterparts. Recently, neural tangent kernels (NTKs) have emerged as a powerful tool to analytically study the training dynamics of wide neural networks. In this work, we take an important step towards a theoretical understanding of training dynamics of equivariant models by deriving neural tangent kernels for a broad class of equivariant architectures based on group convolutions. As a demonstration of the capabilities of our framework, we show an interesting relationship between data augmentation and group convolutional networks. Specifically, we prove that they share the same expected prediction at all training times and even off-manifold. In this sense, they have the same training dynamics. We demonstrate in numerical experiments that this still holds approximately for finite-width ensembles. By implementing equivariant NTKs for roto-translations in the plane (G=Cnltimesℝ2) and 3d rotations (G=SO(3)), we show that equivariant NTKs outperform their non-equivariant counterparts as kernel predictors for histological image classification and quantum mechanical property prediction.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 53 of its 73 references that are in the map. First posted on arXiv 10 Jun 2024.
Builds on
53 of 73 references.
References · 53
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38 more
- 2016Steerable CNNscited by 298
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- 2019Graph Neural Tangent Kernel: Fusing Graph Neural Networks with Graph Kernelscited by 160
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- 2023Scaling Spherical CNNscited by 21
- 2021Rotation-Equivariant Deep Learning for Diffusion MRIcited by 20
- 2022Demystifying the Neural Tangent Kernel from a Practical Perspective: Can it be trusted for Neural Architecture Search without training?cited by 18
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- 2022Few-shot Backdoor Attacks via Neural Tangent Kernelscited by 15
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- 2022On the Neural Tangent Kernel Analysis of Randomly Pruned Neural Networkscited by 9
- 2023Faithful and Efficient Explanations for Neural Networks via Neural Tangent Kernel Surrogate Modelscited by 8
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Citing papers per year: 2025: 3; 2026: 1.
4 papers.
- 2025Saddle-to-Saddle Dynamics Explains A Simplicity Bias Across Neural Network Architecturescited by 14
- 2025Finite-Width Neural Tangent Kernels from Feynman Diagramscited by 3
- 2025Implicit Bias and Invariance: How Hopfield Networks Efficiently Learn Graph Orbitscited by 0
- 2026Boosting Data Augmentation with Stochastic Weight Averagingcited by 0
- 2026Boosting Data Augmentation with Stochastic Weight Averaging14 Aug 2026
- 2025Saddle-to-Saddle Dynamics Explains A Simplicity Bias Across Neural Network Architectures23 Dec 2025
- 2025Implicit Bias and Invariance: How Hopfield Networks Efficiently Learn Graph Orbits16 Dec 2025
- 2025Finite-Width Neural Tangent Kernels from Feynman Diagrams15 Aug 2025