Month: December 2021

In graph theory, an Eulerian trail (or Eulerian path) is a trail in a finite graph that visits every edge exactly once (allowing for revisiting vertices). Similarly, an Eulerian circuit or Eulerian cycle is an Eulerian trail that starts and ends on the same vertex. We have the following properties for undirected graph, An undirected graph has an Eulerian cycle if and only if every vertex has even…