Hyundong Jin

About Me

Hello, I’m Hyundong Jin, a Ph.D. student at Yonsei University. I work on large language models, with a particular interest in connecting formal language theory and language modeling. This personal website collects my publications, accepted papers, preprints, code, and academic profiles.

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Research Interest

  • Formal language theory and theoretical foundations of language modeling
  • Controllable generation, model steering, and constrained decoding
  • Reasoning, evaluation, and interpretability of language models

News

  • Personal website is now publicly available.

Selected Publications

All Publications
Conference A Regex Minimization Benchmark: A PSPACE-Complete Challenge for Language Models
Hyundong Jin, Joonghyuk Hahn, Yo-Sub Han
Proceedings of the Conference of the European Chapter of the Association for Computational Linguistics (EACL), Mar. 2026, Vol. 1, pp. 8020–8048
URL Code
Conference TRAPDOC: Deceiving LLM Users by Injecting Imperceptible Phantom Tokens into Documents
Hyundong Jin, Sicheol Sung, Shinwoo Park, SeungYeop Baik, Yo-Sub Han
Findings of the Conference on Empirical Methods in Natural Language Processing (EMNLP-findings), Nov. 2025, pp. 33663–33678
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