Concept information
Terme préférentiel
isolated point
Définition(s)
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In mathematics, a point x is called an isolated point of a subset S (in a topological space X) if x is an element of S and there exists a neighborhood of x that does not contain any other points of S. This is equivalent to saying that the singleton {x} is an open set in the topological space S (considered as a subspace of X). Another equivalent formulation is: an element x of S is an isolated point of S if and only if it is not a limit point of S.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Isolated_point)
Concept(s) générique(s)
Concept(s) spécifique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/PSR-LKLF0XP4-T
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