Can the Transformer Learn Nested Recursion with Symbol Masking? Jean-Philippe Bernardy author Adam Ek author Vladislav Maraev author 2021-08 text Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication bernardy-etal-2021-transformer 10.18653/v1/2021.findings-acl.67 https://aclanthology.org/2021.findings-acl.67/ 2021-08 753 760