摘要
在文章《关于空间和映射》的基础上,描述在拓扑空间的研究中具有一定作用的30个拓扑空间类在商映射,闭映射,具有Lindel■f纤维的闭映射,完备映射,有限到一闭映射,开映射,开紧映射和有限到一开映射作用下的不变性和逆不变性.
Based on the article "On spaces and mappings", a survey is given on invariants and inverse invariants of thirty topological space classes which play a certain role in the study of the theory of topological spaces under quotient mappings, closed mappings, closed mappings with Lindel■f fibers, perfect mappings,finite-to-one closed mappings, open mappings, open-compact mappings and finite-to-one open mappings.
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