Smyth power space of a co-sober space is not always co-sober
Xiaoquan Xu, Fengshuo Xu, Haitao Ji, Dong Qiu
math.GNarXiv:2608.02047
Abstract
In this paper, we give a co-sober space X whose Smyth power space PS(X) is not co-sober, which gives a negative answer to an open problem.
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