%0 Journal Article %A Carlos Segovia %T The classifying space of the 1+1 dimensional $G$-cobordism category %J Homology, homotopy, and applications %D 2023 %P 37-54 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4310/HHA.2023.v25.n2.a3/ %R 10.4310/HHA.2023.v25.n2.a3 %G en %F HHA_2023_25_2_a2