On Aleph Zero-weak bases

• Autores: Rongxin Shen
• Localización: Houston journal of mathematics, ISSN 0362-1588, Vol. 35, Nº 2, 2009, págs. 501-514
• Idioma: inglés
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• Resumen

  • In this paper, the author discusses spaces with certain Aleph Zero-weak bases, gives some characterizations of images of metric spaces by certain quotient maps, and studies the covering properties of spaces with special Aleph Zero-weak bases.