Topologically inseparable functions I: Finitary case
- Cartagena, O - Lewin, RA - Rubilar, O
- Datos de publicación:
- SEMIGROUP FORUM,Vol.66,18-42,2003
- Migración Web of Science 
- Given a finite set A and a distinguished function f: A --> A, we study the set of all functions g: A --> A that are continuous for all topologies for which f is continuous. The main result is a characterization of the functions f such that this set is trivial, that is, contains only the constant functions and the iterates of f.