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I also go by the name Jay (which I prefer) and my pronouns are they/them.

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About

I am a PhD student in Cognitive Science at École Normale Supérieure — PSL (Paris) and Universitat Pompeu Fabra (Barcelona) under the co-supervision of Emmanuel Chemla and Thomas Brochhagen.

I study language evolution and cross-linguistic regularity in meaning, investigating how individual-level dynamics of language use and acquisition lead to regular outcomes at the language-level.

Research Interests

• Language change and evolution, evolutionary dynamics
• Cognitive mechanisms
• Language optimality
• Semantic typology
• Information theory
• Language complexity
• Computational linguistics

Publications

• J. Bruneau--Bongard, E. Chemla, T. Brochhagen (2025). Optimal Optimality Models for Natural Language Lexica. Submitted.
• J. Bruneau--Bongard, E. Chemla, T. Brochhagen (2024). Color-naming dynamics. Pre-registration.
• J. Bruneau--Bongard, T.Brochhagen (2023). Influence of Centrality on Communication Protocols in Communities of Deep Neural Agents. Pre-registration.

Teaching Experience

• Teaching Assistant, Formal Semantics (2025)
• Teaching Assistant, Natural Language Processing (2023)
• Tutor, Mathematics (2020-2025)

Fellowships

• Bourse Jean-Pierre Aguilar de la Fondation CFM pour la Recherche (2024-2027). PhD scholarship.