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Local properties of topological spaces and remainders in compactifications

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What can we say about the properties of remainders of spaces which have a certain property $$\mathcal{P}$$ locally? Below, a rather general approach to this question is developed. In particular,… Click to show full abstract

What can we say about the properties of remainders of spaces which have a certain property $$\mathcal{P}$$ locally? Below, a rather general approach to this question is developed. In particular, we consider remainders of locally metrizable spaces and show that they are rarely homogeneous: if X is a locally metrizable space with a homogeneous remainder Y, then Y is a charming space (Corollary 4.11). We also show (Corollary 4.9) that if X is a locally separable locally metrizable space with a homogeneous remainder Y in a compactification bX, then Y is a Lindelof p-space. If in addition X is nowhere locally compact, then X is also a Lindelof p-space. See also Theorem 5.6.

Keywords: properties topological; spaces remainders; locally metrizable; local properties; topological spaces; space

Journal Title: Acta Mathematica Hungarica
Year Published: 2019

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