Homotopy theory : tools and applications : a conference in honor of Paul Goerss's 60th birthday, July 17-21, 2017, University of Illinois at Urbana-Champaign, Urbana, I [...] / Daniel G. Davis, Hans-Werner Henn, J. F. Jardine, Mark W. Johnson, Charles Rezk editors. Providence, Rhode Island : American Mathematical Society, 2019 ; © 2019