Trees and Series-Parallel Graphs - Lecture 22a of CS Theory Toolkit

Explore the concept of treewidth in this graduate-level lecture from Carnegie Mellon University's "CS Theory Toolkit" course. Delve into why Constraint Satisfaction Problems (CSPs) and similar computational challenges are typically easier to solve on trees and series-parallel graphs. Learn about graphs with treewidth 2 and their properties. Examine tree examples, series-parallel graphs, and work through exercises to reinforce understanding. Gain valuable insights into fundamental concepts in theoretical computer science, preparing for advanced research in the field.

Introduction
Tree example
Seriesparallel graphs
Example
SeriesParallel Graph
Exercise