Homeomorphism

Rarity: Rare

A topic known well beyond its field, found in many languages.

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

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What Wikipedia says

In mathematics and more specifically in topology, a homeomorphism (from Greek roots meaning "similar shape", named by Henri Poincaré), also called topological isomorphism, or bicontinuous function, is a bijective and continuous function between topological spaces that has a continuous inverse function.

Excerpt from the Wikipedia article “Homeomorphism”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: The original uploader was CHW at German Wikipedia., Public domain, via Wikimedia Commons.