Intrinsic dimensionality and generalization properties of the R-norm inductive bias
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Abstract (arXiv)
We study the structural and statistical properties of R-norm minimizing interpolants of datasets labeled by specific target functions. The R-norm is the basis of an inductive bias for two-layer neural networks, recently introduced to capture the functional effect of controlling the size of network weights, independently of the network width. We find that these interpolants are intrinsically multivariate functions, even when there are ridge functions that fit the data, and also that the R-norm inductive bias is not sufficient for achieving statistically optimal generalization for certain learning problems. Altogether, these results shed new light on an inductive bias that is connected to practical neural network training.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 33 of its 76 references that are in the map. First posted on arXiv 10 Jun 2022.
Builds on
33 of 76 references.
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21 more
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Built on by
Citing papers per year: 2023: 2; 2024: 2; 2025: 0; 2026: 1.
5 papers.
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- 2023Penalising the biases in norm regularisation enforces sparsitycited by 19
- 2023ReLU Neural Networks with Linear Layers are Biased Towards Single- and Multi-Index Modelscited by 8
- 2024The Effects of Multi-Task Learning on ReLU Neural Network Functionscited by 0
- 2026Non-asymptotic implicit bias of logistic regression at early-stage gradient descent dynamicscited by 0
- 2026Non-asymptotic implicit bias of logistic regression at early-stage gradient descent dynamics5 Aug 2026
- 2024The Effects of Multi-Task Learning on ReLU Neural Network Functions29 Oct 2024
- 2024Emergence in non-neural models: grokking modular arithmetic via average gradient outer product29 Jul 2024
- 2023ReLU Neural Networks with Linear Layers are Biased Towards Single- and Multi-Index Models24 May 2023
- 2023Penalising the biases in norm regularisation enforces sparsity2 Mar 2023