3 papers
cs.LG2026
Disentangling the Expressivity of RoPE
Selim Jerad, Anej Svete, Jiaoda Li +1
Two accounts recur in explanations of the success of rotary position embeddings (RoPE). Expressivity studies associate periodic position information with modular predicates, wherea…
cs.LG2026
Context-Free Recognition with Transformers
Selim Jerad, Anej Svete, Sophie Hao +2
Transformers excel empirically on tasks that process well-formed inputs according to some grammar, such as natural language and code. However, it remains unclear how they can proce…
cs.LG2025
Unique Hard Attention: A Tale of Two Sides
Selim Jerad, Anej Svete, Jiaoda Li +1
Understanding the expressive power of transformers has recently attracted attention, as it offers insights into their abilities and limitations. Many studies analyze unique hard at…