Discrete group theory is a broad subject covering certain aspects of groups. Such topics as free groups, group presentations, fundamental groups, Kleinian groups, and polycyclic groups are generally considered to belong to discrete group theory.

# Discrete Group Theory

## See also

Braid Group, Coxeter Group, Discrete Group, Discrete Group Algebra, Free Group, Fuchsian Group, Group, Group Presentation, Group Theory, Knot Group## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Discrete Group Theory."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/DiscreteGroupTheory.html