| N-Spaces and mssc-Images of Metric Spaces |
| Received:December 17, 2001 |
| Key Words:
N-space sequence-covering mapping κ-network cs-network cs*-network.
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| Fund Project:Supported by NSF of the Education Committee of Jiangsu Province in China(02KJB110001) |
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| Abstract: |
| In this paper, we give some characterizations of N-spaces by mssc-images of metric spaces, and prove that a space X is an N-space if and only if X is a sequence- covering (sequentially quotient) mssc-image of a metric space, which answer a conjecture on N-spaces affirmatively. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.2004.02.002 |
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