Other
The University of Edinburgh: Discrete Mathematics Graphs
This article is an in-depth look at graphs. Topics covered are graph models, terminology, representations of graphs, graph isomorphism, connectivity, Euler and Hamiltonian Paths, and more. Examples and explanations are included.
Wolfram Research
Wolfram Math World: Graphs
MathWorld.com shows many types of discrete math graphs and provides links to related topics.
Texas Instruments
Texas Instruments: Numb3 Rs: Ants Go Marching
Based off of the hit television show NUMB3RS, this lesson has students experiment and make observations on a directed graph. The lesson is framed in the context of an ant colony which is in search of the best path to get to food. If an...
Other
Geeks for Geeks: Graph and Its Representations
The choice of graph representation is situation-specific. It totally depends on the type of operations to be performed and ease of use. This reference explains the most commonly used representations of a graph: Adjacency Matrix and...
Other
Free Codecamp: How to Think in Graphs
In this article, we're going to demonstrate various applications of graph theory. These applications will contain detailed illustrations. As the author states, if you've been looking for a "graph theory and everything about it tutorial...