8.1 Another Form for the Sturm–Liouville Equation8.2 Method of Factorization8.3 Theory of Factorization and the Ladder Operators8.4 Solutions via the Factorization Method8.5 Technique and the Categories of Factorization8.6 Associated Legendre Equation (Type A)8.7 Schrödinger Equation and Single-Electron Atom (Type F)8.8 Gegenbauer Functions (Type A)8.9 Symmetric Top (Type A)8.10 Bessel Functions (Type C)8.11 Harmonic Oscillator (Type D)8.12 Differential Equation for the Rotation MatrixBibliographyProblems