Dear all, We are pleased to announce the third Midwest Homotopy Type Theory Seminar, to take place on October 19-20, 2019 at the University of Michigan (Ann Arbor). The meeting will feature talks by: Kuen-Bang Hou (Favonia) University of Minnesota Nullable Compositions Chris Kapulkin University of Western Ontario Homotopy Canonicity of Homotopy Type Theory Paige North Ohio State University Two-sided Weak Factorization Systems with pre-talks given by: Deshin Finlay (University of Michigan) Scott Newton (Ohio State University) Robert Rose (Indiana University) with topical question/discussion ("ask-me-anything") sessions led by: Andreas Blass University of Michigan on topos theory Dan Christensen University of Western Ontario on homotopy theory Amr Sabry Indiana University on programming languages Please visit http://math.lsa.umich.edu/~simoncho/mwhottseminar.html for further details including the schedule and travel information. In particular, please note that the preferred rate we have negotiated with the nearby hotel is valid until September 27. There is no registration fee, but we request that those planning to attend fill out the very short registration form on the website for our planning purposes (e.g. getting enough coffee for everyone). Best, Simon Cho for the organizers [For admin and other information see: http://www.mta.ca/~cat-dist/ ]