Math 2.0

General topology Continuous maps Concept

Perfect map

Summary

A perfect map is a continuous closed map onto its target whose fibres are all compact. Perfect maps carry many properties, such as compactness, local compactness and paracompactness, in both directions between the source and the target. They are a central tool of general topology for comparing spaces.

Further reading

  1. Web https://en.wikipedia.org/wiki/Perfect_map
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SpecializesClosed map
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Changed2 November 2026

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