×

Limit-operators and reflective subcategories. (English) Zbl 0293.54012

TOPO 72 - General Topology Appl., 2nd Pittsburgh internat. Conf. 1972, Lect. Notes Math. 378, 219-227 (1974).

MSC:

54G20 Counterexamples in general topology
54A10 Several topologies on one set (change of topology, comparison of topologies, lattices of topologies)
18A40 Adjoint functors (universal constructions, reflective subcategories, Kan extensions, etc.)