= Fundamental domain
{wiki=Fundamental_domain}
In mathematics, specifically in the fields of geometry and group theory, a **fundamental domain** is a concept used to describe a specific subset of a space that can be used to represent an entire space under the action of a group. Here are some key points to understand about fundamental domains: 1. **Definition**: A fundamental domain for a group action on a space is a region that contains exactly one representative of each orbit of the action.
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