Hyperspace selections avoiding points

نویسندگان

چکیده

We deal with a hyperspace selection problem in the setting of connected spaces. present two solutions this illustrating difference between selections for nonempty closed sets, and those at most two-point sets. In first case, we obtain characterisation compact orderable latter case --- that same property is equivalent to existence ternary relation on space, known as cyclic order, gives so called weakly cyclically

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ژورنال

عنوان ژورنال: Commentationes Mathematicae Universitatis Carolinae

سال: 2023

ISSN: ['0010-2628', '1213-7243']

DOI: https://doi.org/10.14712/1213-7243.2022.026