arXiv AI By Vasileios Sevetlidis

A Fiber Criterion for Representation Identifiability in Supervised Learning

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arXiv:2606. 01092v1 Announce Type: cross Abstract: Supervised learning evaluates predictors through their input-output behavior.

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arXiv Machine Learning
Jun 18

Concept Modulation Models: A Unified Framework for Identifiability and Extrapolation

arXiv:2606. 18509v1 Announce Type: new Abstract: Reliable generalization in conditional latent variable models requires understanding both identifiability and extrapolation: how observed variation across attributes determines latent structure, and how that structure determines distributions at unseen attributes.

By Soheun Yi, Yizhou Lu, Chandler Squires, Pradeep Ravikumar
arXiv AI
Jul 2

Persona Without Substrate: Regime-Dependence and the LLM Individuation Problem

arXiv:2607. 00006v1 Announce Type: cross Abstract: Beckmann & Butlin's (2026) ontological framework for the LLM individuation problem inherits an unargued cross-regime co-reference assumption from the persona-vectors literature: that the same direction picks out the same content under prompt-conditioning, gradient-descent fine-tuning, and inference-time steering.

By Shuaizhi Cheng