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The Role of Logic and Automata in Understanding Transformers

Year: 2025
Type: preprint
Abstract: The advent of transformers has in recent years led to powerful and revolutionary Large Language Models (LLMs). Despite this, our understanding on the capability of transformers is still meager. In this invited contribution, we recount the rapid progress in the last few years to the question of what transformers can do. In particular, we will see the integral role of logic and automata (also with some help from circuit complexity) in answering this question. We also mention several open problems at the intersection of logic, automata, verification and transformers.
Authors: Lin, Anthony W., Barcelo, Pablo
Language: English
Open Access status: green
OpenAlex ID: W7084164870
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