Geodesic
On Almost-Fixed-Point Theory
Canadian journal of mathematics, Tome 30 (1978) no. 4, pp. 673-699

Voir la notice de l'article provenant de la source Cambridge University Press

Let X be a topological space, a finite covering of X (the words ‘covering’ and ‘cover’ are used interchangeably). We say that has the almost fixed point property for a class of continuous maps f : X → X if for all there is an x ∈ X and such that x ∈ U and f(x) ∈ U, or, equivalently, if there is a such that . 
Hazewinkel, Michiel; Vel, Marcel Van De. On Almost-Fixed-Point Theory. Canadian journal of mathematics, Tome 30 (1978) no. 4, pp. 673-699. doi: 10.4153/CJM-1978-060-1
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