Weyl group

Rarity: Common

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, in particular the theory of Lie algebras, the Weyl group (named after Hermann Weyl) of a root system Φ is a subgroup of the isometry group of that root system.

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

Image: Jgmoxness, CC BY-SA 3.0, via Wikimedia Commons.