triangle group

Noun

(mathematics) A group that can be realized geometrically by sequences of reflections across the sides of a triangle.

Japanese Meaning

（数学）三角形の各辺に対する反射の列を通じて幾何学的に表現できる群

The triangle group generated by reflections in the sides of an acute triangle acts discretely on the plane.

鋭角三角形の辺に沿った反射の列によって幾何学的に実現される群は平面上で離散的に作用する。

Sense（1）

(mathematics) A group that can be realized geometrically by sequences of reflections across the sides of a triangle.

triangle groups

（ plural ）