Homotopic maps are close: Difference between revisions

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(New page: ==Statement== Suppose <math>X</math> is a compact space and <math>(Y,d)</math> is a metric space. Suppose <math>f</math> and <math>g</math> are homotopic maps from <math>X</math> ...)
 
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Latest revision as of 19:46, 11 May 2008

Statement

Suppose X is a compact space and (Y,d) is a metric space. Suppose f and g are homotopic maps from X to Y. Then, there exists an ϵ>0 and a sequence of maps f=f0,f1,f2,,fn=g such that for every xX:

d(fi(x),fii(x))<ϵ

A related fact is that close maps are homotopic: the condition of compactness is now on Y instead of on X.