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Neural collapse dynamics linked to feature norm threshold

Researchers have identified a critical feature norm threshold, fn*, that largely dictates when neural collapse occurs in deep learning models. This threshold is specific to each model-dataset pair and is largely unaffected by training conditions, though training speed can vary. The study found that crossing this threshold consistently precedes neural collapse, acting as a practical predictor. Factors like network depth, activation functions, weight decay, and width all influence the speed of collapse and the value of fn*. AI

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RANK_REASON This is a research paper published on arXiv detailing new findings about neural network dynamics. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

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Neural collapse dynamics linked to feature norm threshold

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This is a research paper published on arXiv detailing new findings about neural network dynamics. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Anamika Paul Rupa ·

    Neural Collapse Dynamics: Depth, Activation, Regularisation, and Feature Norm Threshold

    arXiv:2604.00230v2 Announce Type: replace Abstract: Neural collapse (NC) -- the convergence of penultimate-layer features to a simplex equiangular tight frame -- is well understood at equilibrium, but the dynamics governing its onset remain poorly characterised. We identify a sim…