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Countable ordinal spaces and compact countable subsets of a metric space
ArticleAbstract: We show in detail that every compact countable subset of a metric space is homeomorphic to a countabPalabras claves:Cantor-Bendixson's derivative, Ordinal numbers, Ordinal topologyAutores:Andrés Merino, Borys Álvarez-SamaniegoFuentes:googlescopusSome properties related to the cantor-bendixson derivative on a polish space
ArticleAbstract: We show a necessary and sufficient condition for any ordinal number to be a Polish space. We also prPalabras claves:Cantor-Bendixson's derivative, cardinality, Polish spaceAutores:Andrés Merino, Borys Álvarez-SamaniegoFuentes:scopus