Electronic Version 17 (1992), 97-110

Yin Zhu Gao, Han Zhang Qu and Shu Tang Wang

In this paper, we introduce and study \lambda-Lindelöf, \lambda-compact and D\lambdaCC spaces. Some characterizations of these spaces are given. It is shown that in T₁ spaces with the B-property, \omega_\alpha-Lindelöfness, \omega_{\alpha+ 1}-compactness and the D\omega_\alphaCC coincide. Some known results in the literature are generalized.

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volume 17: table of contents
topology proceedings Electronic Version