Transverse Cellular Mappings of Polyhedra

Ethan Akin
1972 Transactions of the American Mathematical Society  
We generalize Marshall Cohen's notion of transverse cellular map to the polyhedral category. They are described by the following: DÍA; f)^f-YDÍA; L)).
doi:10.2307/1996251 fatcat:awjqe4sajvbg7kdcfhjclhz47e