Banaschewski, B.; Hager, A.W.(Universitat Politècnica de València, 2013-04-01)
[EN] The category C is "projective complete"if each object has a projective cover (which is then a maximal cover). This property inherits from C to an epireflective full subcategory R provided the epimorphisms in R are ...
Comfort, W.W.; Hager, A.W.(Universitat Politècnica de València, 2013-04-01)
[EN] All spaces here are Tychonoff spaces. The class AE(0) consists of those spaces which are absolute extensors for compact zero-dimensional spaces. We define and study here the subclass AE(0)rp, consisting of those spaces ...