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fixed point

We say that a function F: X \to 2^X$ (or a function F: X \to C(X)$) has a fixed point provided that there is a point x\in X$ such that x \in F(x)$.

next up previous contents index
Next: fixed set property Up: Definitions Previous: finitely linear
Janusz J. Charatonik, Pawel Krupski and Pavel Pyrih
2001-11-30