ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Eigenpoint
Definition D551
Fixed point
Formulation 0
Let $f : X \to Y$ be a D18: Map.
A D2218: Set element $x \in X$ is a fixed point of $f$ if and only if \begin{equation} f(x) = x \end{equation}
Also known as
Map invariant point, Fixpoint
Children
D3097: Set of fixed points