Dear Colleagues, We would like to remind you of the following deadlines - abstract submission: *May 25, 2018* - early registration: *June 10, 2018* You may find further information concerning CT 2018 at http://www.mat.uc.pt/~ct2018/ With best regards, The Organising Committee -- Category Theory :: ct2018@mat.uc.pt [For admin and other information see: http://www.mta.ca/~cat-dist/ ]