Countable Successor Ordinals as Generalized Ordered Topological Spaces

preprint2016arXivOpen access

Abstract

A topological space LL is called a linear ordered topological space (LOTS) whenever there is a linear order ≤\leq on LL such that the topology on LL is generated by the open sets of the form (a,b)(a, b) with a<ba < b and a,b∈L∪{−∞,+∞}a, b \in L \cup \{ -\infty, +\infty \}. A topological space XX is called a generalized ordered space (GO-space) whenever XX is topologically embeddable in a LOTS. Main Theorem: Let XX be a Hausdorff topological space. Assume that any continuous image of XX is a GO-space. Then XX is homeomorphic to a countable successor ordinal (with the order topology). The converse trivially holds.

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