2020/03/25 by Brice Le Grignou, Grignou, Brice Le, Damien Lejay +1
Mathematics · #Homotopy and Cohomology in Algebraic Topology #Algebraic structures and combinatorial models #Geometric and Algebraic Topology
paper · pdf · doi:10.48550/arxiv.2003.11541
In this note we present a recipe which transforms any pull-push along a span of categories into a push-pull along a cospan and vice versa, based on a theorem from Guitart.