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On Almost-Fixed-Point Theory
Published online by Cambridge University Press: 20 November 2018
Extract
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
.
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- Copyright © Canadian Mathematical Society 1978
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