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Listar por palabra clave "Cardinal invariants"

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Listar por palabra clave "Cardinal invariants"

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    Asymptotic structures of cardinals 
    Petrenko, Oleksandr; Protasov, Igor V.; Slobodianiuk, Sergii (Editorial Universitat Politècnica de València, 2014-10-01)
    [EN] A ballean is a set X endowed with some family F of its subsets, called the balls, in such a way that (X,F)  can be considered as an asymptotic counterpart of a uniform topological space. Given a cardinal k, we define ...
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    More on the cardinality of a topological space 
    Bonanzinga, M.; Carlson, N.; Cuzzupè, M. V.; Stavrova, D. (Universitat Politècnica de València, 2018-10-04)
    [EN] In this paper we continue to investigate the impact that various separation axioms and covering properties have onto the cardinality of topological spaces. Many authors have been working in that field. To mention a ...