# Module 3: Graphs and Trees

## Graphs and Models

Video: Graphs and Graph Models

## Terminology and Special Graphs

Video: Graph Terminology

## Representing Graphs

Video: Representing Graphs

Video: Bipartite Graphs

## Graph Isomorphisms

Video: Graph Isomorphisms

## Connectivity

Video: Connected Graphs

## Euler and Hamilton Paths

Video: Euler and Hamilton Paths