On Some Sufriciencies of the D-Space

Peng Liangxue. On Some Sufriciencies of the D-SpaceJ. Transactions of Beijing institute of Technology, 1996, (3).

Citation:

Peng Liangxue. On Some Sufriciencies of the D-SpaceJ. Transactions of Beijing institute of Technology, 1996, (3).

Citation:

Peng Liangxue. On Some Sufriciencies of the D-SpaceJ. Transactions of Beijing institute of Technology, 1996, (3).

Abstract

The paper proves that a(D-spare)-like space is a D-space, thus arriving at the following theorem:If a space X is weakly -refingable and(S(D-space))-like space,then X is a D-space.So it follows that a metacsmpact and C-scattered space X is a D-space.Finally the D-space is discussed.

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