Topologically inseparable functions I: Finitary case

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Autor:
Cartagena, O - Lewin, RA - Rubilar, O
URI:
http://repositoriodigital.uct.cl/handle/10925/4165
Datos de publicación:
SEMIGROUP FORUM,Vol.66,18-42,2003
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Resumen:
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.

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