{"id":"2606.02680","title":"Locality Does Not Imply Reachability: Boundary Repair in Block-Sparse Causal Attention","url":"https://codeofpaper.com/paper/2606.02680","arxiv_url":"https://arxiv.org/abs/2606.02680","published":"2026-06-01","code":"none","best":null,"most_starred_community":null,"implementations":[],"possible_matches":0}