Dear all, This is the last announcement for the Workshop on Infinity-operads and Applications that will take place at the University of Osnabrück, 12-14 July 2017. There will be three courses by - Javier J. Gutiérrez (Barcelona) - Gijs Heuts (Copenhagen) - Ieke Moerdijk (Utrecht) and further talks by - Pedro Boavida (Lisbon) - Philip Hackney (Sydney) - Rune Haugseng (Copenhagen) - Brice Le Grignou (Utrecht) - Marcy Robertson (Melbourne) The schedule and the abstracts can be found in the workshop webpage: http://userpage.fu-berlin.de/jcirici/infinityoperads/ Before the end of May it is possible to get a hotel room reserved directly through the registration procedure. Be aware that we can only accept 20 more participants because of the dimensions of the lecture hall. The workshop is supported by the project SPP 1786 "Homotopy Theory and Algebraic Geometry" http://www.esaga.uni-due.de/spp1786/. We hope to see you next July in Osnabrück, Hongyi Chu, Joana Cirici, Markus Spitzweck, and Oriol Raventós [For admin and other information see: http://www.mta.ca/~cat-dist/ ]