On some properties of the metric dimension
Ladislav Mišík, Tibor Žáčik (1990)
Commentationes Mathematicae Universitatis Carolinae
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Ladislav Mišík, Tibor Žáčik (1990)
Commentationes Mathematicae Universitatis Carolinae
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Jun-Iti Nagata (1962-1964)
Compositio Mathematica
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Marques, Diego (2008)
Annales Mathematicae et Informaticae
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Taras O. Banakh, Ostap Chervak, Lubomyr Zdomskyy (2013)
Commentationes Mathematicae Universitatis Carolinae
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We prove that for an unbounded metric space , the minimal character of a point of the Higson corona of is equal to if has asymptotically isolated balls and to otherwise. This implies that under a metric space of bounded geometry is coarsely equivalent to the Cantor macro-cube if and only if and . This contrasts with a result of Protasov saying that under CH the coronas of any two asymptotically zero-dimensional unbounded metric separable spaces are homeomorphic. ...