Dear all, we are pleased to announce the 7th ItaCa Workshop, which will take place in Florence on 21–22 December 2026. The ItaCa Workshop is a series of short workshops organized by ItaCa, the Italian community of category theorists, focusing on the development and applications of category theory. Students and early-career researchers are particularly encouraged to attend and to submit proposals for contributed talks. The workshop will start on the morning of Monday, 21 December, and continue until the morning of Tuesday, 22 December, possibly extending into the afternoon depending on the number of contributed talks. Important dates - Submission deadline: 12 November 2026 - Notification: 19 November 2026 - Registration deadline: 8 December 2026 - Workshop: 21–22 December 2026 Participation is free of charge, but registration is mandatory. Further information, including registration and submission details, is available on the workshop website: https://progetto-itaca.github.io/ItaCa-26/ For inquiries, please send an e-mail to one of the organisers. Please feel free to circulate this announcement to anyone who may be interested. Best wishes, Program Committee Giuseppe Metere (chair) Francesco Dagnino Jacopo Emmenegger Andrea Gagna Francesca Guffanti Valerio Melani Paolo Perrone Giacomo Tendas Organising Committee Marco Maggesi (chair) Matteo Calosci Gabriele Lobbia Valerio Melani Umberto Tarantino Gabriele Vezzosi