Open and closed maps

Open and closed maps

Common

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class
Notion
Domain
Science and technology
In collections
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What Wikipedia says

In mathematics, more specifically in topology, an open map is a function between two topological spaces that maps open sets to open sets.

Excerpt from the Wikipedia article “Open and closed maps”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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