9th International Conference on Applied Category Theory (ACT) 2026

Monday 6. July at 08:00 - Friday 10. July at 17:00

Estonian Maritime Academy of Tallinn University of Technology

The 9th International Conference on Applied Category Theory will take place in Tallinn, Estonia from July 6 - 10, 2026, preceded by the Adjoint School Research Week from June 29 - July 3, 2026.
This conference follows previous events at Florida (2025), Oxford (2024), Maryland (2023), Strathclyde (2022), Cambridge (2021), MIT (2020), Oxford (2019) and Leiden (2018).


Important dates

  • Registration opens 15 May 2026

  • Early bird registration deadline 12 June 2026 (AoE)

  • Late registration deadline 29 June 2026 (AoE)

  • Adjoint School 29 June – 3 July 2026

  • Conference 6 July – 10 July 2026


The local organiser of the conference is the Department of Software Science of Tallinn University of Technology.

The conference is supported by the City of Tallinn.

Estonian Maritime Academy of Tallinn University of Technology Kopli 101, 11712 Tallinn, Estonia

Google Map of Kopli 101, 11712 Tallinn, Estonia

TalTech Department of Software Science

act2026@taltech.ee