Definition:Trail/Subgraph

Definition

The set of vertices and edges which go to make up a trail in a graph $G$ form a subgraph of $G$.

This subgraph itself is also referred to as a trail in $G$.

Also see

• Results about trails can be found here.

Sources

• 1977: Gary Chartrand: Introductory Graph Theory ... (previous) ... (next): $\S 2.3$: Connected Graphs