In graph theory, a vertex (plural vertices) [1][2] is one of the fundamental objects making up a graph, together with the edges that join pairs of vertices to one another. The vertices of a graph form its vertex set .
References
- [1]
“Vertex (graph theory)”, Wikipedia, Available: https://en.wikipedia.org/wiki/Vertex_(graph_theory), Accessed: 2025-08-13 ↩
- [2]
“Graph Vertex”, Wolfram MathWorld, Available: https://mathworld.wolfram.com/GraphVertex.html, Accessed: 2026-07-14 ↩