We are happy to announce that the 110th Peripatetic Seminar on Sheaves and Logic (PSSL 110) is set to take place over the weekend of May 3–4, 2025, in Tallinn, Estonia. All the information (venue, schedule of talks) are already or will be posted on the event webpage https://www.ioc.ee/~amar/pssl110/. Registration. There are no registration fees, but we kindly ask that you complete the registration form. Submitting proposals for contributed talks. We seek proposals for contributed talks on all aspects of category theory and its applications. Talks about work in progress are also warmly welcomed. We especially encourage PhD students and young researchers to submit their work. To submit a talk, please register via the form available on the webpage: https://forms.gle/LxQ7cT4JzXJRGS4W6 See you in Tallinn! the organizers Fosco and Amar You're receiving this message because you're a member of the Categories mailing list group from Macquarie University. To take part in this conversation, reply all to this message. View group files<https://outlook.office365.com/owa/categories@mq.edu.au/groupsubscription.ashx?source=EscalatedMessage&action=files&GuestId=6bf90c14-94d1-45b7-a0b5-9dd447734d27> | Leave group<https://outlook.office365.com/owa/categories@mq.edu.au/groupsubscription.ashx?source=EscalatedMessage&action=leave&GuestId=6bf90c14-94d1-45b7-a0b5-9dd447734d27> | Learn more about Microsoft 365 Groups<https://aka.ms/o365g>