Showing cs.FLShow all
2 papers · 1 filter
cs.FL2024
Transformers as Transducers
Lena Strobl, Dana Angluin, David Chiang +2
We study the sequence-to-sequence mapping capacity of transformers by relating them to finite transducers, and find that they can express surprisingly large classes of transduction…
cs.FL2024
Masked Hard-Attention Transformers Recognize Exactly the Star-Free Languages
Andy Yang, David Chiang, Dana Angluin
The expressive power of transformers over inputs of unbounded size can be studied through their ability to recognize classes of formal languages. In this paper, we establish exact…