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I. Fiete

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#artificial intelligence Preprint Oct 2026

Fault-tolerant foundation models

Emerging computer hardware often trades reliability for energy efficiency; here we show that large-language models (LLMs) can be trained to tolerate this unreliability, and that rather than degrading, their error resilience actually increases as they grow. Modified neural scaling laws inferred from 40,000 GPU-hours of...

T. McCourt, I. Fiete, Isaac L. Chuang · 0 citations
#artificial intelligence Preprint Oct 2024

Large Pretraining Datasets Don't Guarantee Robustness after Fine-Tuning in Image Classification

It is found that though continual learning methods help, fine-tuning reduces robustness across pretrained models, suggesting that starting with the strongest foundation model is not necessarily the best approach for performance on specialist tasks.

Jaedong Hwang, Brian Cheung, Zhang-Wei Hong et al. · 0 citations
Open access Aug 2026

Structural generalization and continual learning enabled by factorized entorhinal-hippocampal memory and entorhinal-parietal action circuits

It is found that a structured entorhinal-hippocampal memory model, which provides a content-independent metric scaffold based on grid cells for storing experience, coupled to a policy recurrent network, succeeds at all three forms of generalization.

Jaedong Hwang, Sujaya Neupane, M. Jazayeri et al. · 0 citations
Open access Jul 2026

A metric for comparing complex systems by their dynamics

Comparisons are fundamental to science: experiment against model, one organism against another, a system against itself across time. Because many systems, from brains to climate, are characterized by how they evolve in time, it is a natural goal to compare their dynamics. Dynamical systems comparison is well defined, b...

Mitchell Ostrow, Adam J. Eisen, L. Kozachkov et al. · 0 citations

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