When is a subspace of a Scott space itself a Scott space?
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Suppose $P$ and $Q subseteq P$ are posets, and let $tau$ and $rho$ be their respective Scott topologies. Now $Q$ is also equipped with the subspace topology $tauvert_Q$ inherited from $P$ . It is easy to see that: $$tauvert_Q subseteq rho$$ I have not found an example when the reverse inclusion is not also true. So my question is: When do the two topologies on $Q$ coincide?
general-topology order-theory
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edited Jan 22 at 9:55
Bernard Hurley
asked Jan 22 at 9:13