TY - JOUR AU - FABIAN HEBESTREIT AU - STEFFEN SAGAVE AU - CHRISTIAN SCHLICHTKRULL TI - MULTIPLICATIVE PARAMETRIZED HOMOTOPY THEORY VIA SYMMETRIC SPECTRA IN RETRACTIVE SPACES JO - Forum of Mathematics, Sigma PY - 2020 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2020.11/ DO - 10.1017/fms.2020.11 LA - en ID - 10_1017_fms_2020_11 ER -