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alberto

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Nov 13, 2009, 2:43:55 PM11/13/09
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Let (X,f) be a topological dynamical system, f a surjective map. R(f)
is the set of recurrent points and AP(f) is the set of almost periodic
points, There is a trivial inclusion AP(f)\subset R(f). Is it true
that the closure of AP(f) contains R(f)? is there some reference
about the second inclusion.
best regards
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