Reflecting properties in continuous images of small weight

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Abstract

A topological property P is reflected in continuous images of weight at most ω1 if a space X has P whenever every continuous image of X of weight at most ω1 has P. When X is a generalized ordered space, we consider a number of topological properties including feeble Lindelöfness and κ-monolithicity. In the final section we study small images of pseudocompact and countably compact spaces; we give a condition on continuous images of a pseudocompact space in order that it be compact and show that it is consistently true that a countably compact space of countable projective tightness is countably tight.

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Alas, O. T., Junqueira, L. R., & Wilson, R. G. (2016). Reflecting properties in continuous images of small weight. European Journal of Mathematics, 2(2), 518–525. https://doi.org/10.1007/s40879-016-0094-4

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