Definition:Loop (Topology)

Definition
Let $X$ be a topological space.

A path $\gamma:\left[{0 \,.\,.\, 1}\right]\to X$ is called a loop if $\gamma(0)=\gamma(1)$.

Also known as
A loop is also referred to as a closed path.

Also see

 * Definition:Fundamental Group
 * Definition:Closed Contour