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orthogonal multi-index models

Narrative intelligence for orthogonal multi-index models: 1 tracked articles, claims, and spin patterns across AI and technology coverage.

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Learning Orthogonal Multi-Index Models Beyond Small Initialization: Incremental Learning, Competitive Dynamics and Symmetry

A theoretical machine learning paper introduces a new symmetry-based finite-width analysis framework to explain incremental learning and competitive parameter reallocation in two-layer neural networks trained on orthogonal multi-index models under standard initialization.

Spin 45% Claim Present in Source AI Risk Moderate

arXiv Machine Learning

Sep 11, 2026

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01 Incremental learning occurs in polynomial-width two-layer networks learning orthogonal multi-index targets under standard initialization using polynomially many samples.

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