Linear Classification of Neural Manifolds with Correlated Variability
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Abstract (arXiv)
Understanding how the statistical and geometric properties of neural activity relate to performance is a key problem in theoretical neuroscience and deep learning. Here, we calculate how correlations between object representations affect the capacity, a measure of linear separability. We show that for spherical object manifolds, introducing correlations between centroids effectively pushes the spheres closer together, while introducing correlations between the axes effectively shrinks their radii, revealing a duality between correlations and geometry with respect to the problem of classification. We then apply our results to accurately estimate the capacity of deep network data.
Key facts. Cited by 9 papers in the map (data through 14 Oct 2026). Builds on 23 of its 57 references that are in the map. First posted on arXiv 27 Nov 2022.
Builds on
23 of 57 references.
References · 23
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11 more
- 2017Classification and Geometry of General Perceptual Manifoldscited by 62
- 2021Neural population geometry: An approach for understanding biological and artificial neural networkscited by 52
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Built on by
Citing papers per year: 2023: 2; 2024: 1; 2025: 4; 2026: 2.
9 papers.
- 2025The Geometry of Prompting: Unveiling Distinct Mechanisms of Task Adaptation in Language Modelscited by 18
- 2024Neural population geometry and optimal coding of tasks with shared latent structurecited by 9
- 2025Feature Learning beyond the Lazy-Rich Dichotomy: Insights from Representational Geometrycited by 9
- 2023Inversion dynamics of class manifolds in deep learning reveals tradeoffs underlying generalisationcited by 6
- 2023Probing Biological and Artificial Neural Networks with Task-dependent Neural Manifoldscited by 4
- 2025A statistical physics framework for optimal learningcited by 3
- 2026Diagnosing Generalization Failures from Representational Geometry Markerscited by 2
- 2025Can Stationary Distributions of Scale-Invariant Neural Networks Be Described by the Thermodynamics of an Ideal Gas?cited by 0
- 2026Sparse Prototype Code Underlies Classification and Prediction Across Modalitiescited by 0
- 2026Sparse Prototype Code Underlies Classification and Prediction Across Modalities16 Aug 2026
- 2026Diagnosing Generalization Failures from Representational Geometry Markers2 Mar 2026
- 2025Can Stationary Distributions of Scale-Invariant Neural Networks Be Described by the Thermodynamics of an Ideal Gas?10 Nov 2025
- 2025A statistical physics framework for optimal learning10 Jul 2025
- 2025Feature Learning beyond the Lazy-Rich Dichotomy: Insights from Representational Geometry23 Mar 2025
- 2025The Geometry of Prompting: Unveiling Distinct Mechanisms of Task Adaptation in Language Models11 Feb 2025
- 2024Neural population geometry and optimal coding of tasks with shared latent structure26 Feb 2024
- 2023Probing Biological and Artificial Neural Networks with Task-dependent Neural Manifolds21 Dec 2023
- 2023Inversion dynamics of class manifolds in deep learning reveals tradeoffs underlying generalisation9 Mar 2023