##  [Fundamental Polygon](/fundamental-polygon) 

  ##  [Fundamental Polygon](https://puremath.quantumdictionary.io/fundamental-polygon-0) 

  

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- Mathematics & Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A polygonal region in a covering space (typically Euclidean or hyperbolic plane) whose edges are paired by a discrete group of isometries so that identifying pairs produces a quotient surface or orbifold; interior points map injectively to the quotient.