Registration sheet for the workshop Hopf algebras and tensor categories, May 22-26, 2023 First name • Family name • Affiliation • Email adress • Do you wish to give a talk? • yes no Day of arrival • Day of departure • Do you wish to stay at the workshop site? • yes no Do you agree to share a room with another person? • yes no Individual comment (e.g. proposal to share a room with, dietary restrictions) Please answer the following question. • Question: Write the number nine?