1. Matrix Properties and Concepts 1.1 Introduction 1.2 A Simple Example 1.3 Norms and Spectral Radii 1.4 Bounds for the Spectral Radius of a Matrix and Directed Graphs 1.5 Diagonally Dominant Matrices 1.6 Ovals of Cassini 2. Nonnegative Matrices 2.1 Spectral Radii of Nonnegative Matrices 2.2 Cyclic and Primitive Matrices 2.3 Reducible Matrices 2.4 Nonnegative Matrices and&