Preface Chapter 1 Introduction 1.1 Intention and Significances 1.2 Basic Concepts 1.3 Preliminaries Chapter 2 The Single Quasilinear Hyperbolic Systems 2.1 Homogeneous Quasilinear Hyperbolic Equation 2.2 Inhomogeneous Quasilinear Hyperbolic Equation 2.3 Periodic Solutions to Quasilinear Hyperbolic Equation 2.4 Quasilinear Hyperbolic Equation with Higher Dissipation Chapter 3 Quasilinear Hyperbolic Systems in Diagonal Form 3.1 Reducible Quasilinear Hyperbolic Systems 3.2 Life Span of C1 Solutions to Reducible Quasilinear Hyperbolic Systems 3.3 Quasilinear Hyperbolic Systems in Diagonal Form 3.4 Hyperbolic Systems with Discontinuous Coefficients Chapter 4 Discontinuous Initial Value Problem for Quasilinear Hyperbolic Systems 4.1 Discontinuous Initial Value Problem 4.2 A Uniform a Priori Estimate 4.3 Typical Boundary Value Problem 4.4 Typical Free Boundary Value Problem on a Fan-shaped Domain. 4.5 Discontinuous Initial Value Problem for Inentropic Folw with Dissipative Term 4.6 Typical Free Value Problem for Quasilinear Hyperbolic Systems with Dissipation Chapter 5 Singularities Caused by the Eigenvectors 5.1 Introduction 5.2 Completely Reducible Systems 5.3 2-Step Completely Reducible Systems with Constant Eigenvalues. 5.4 m (m > 2)-Step Completely Reducible Systems with Constant Eigenvalues 5.5 Non-Completely Reducible Systems 5.6 Examples Chapter 6 Quasilinear Hyperbolic Systems with Dissipative Term 6.1 Introduction 6.2 Reducible Qualinear Hyperbolic Systems with Dissipation 6.3 Formation of Singularities 6.4 Applications Chapter 7 Quasilinear Hyperbolic Systems with Relaxation 7.1 Introduction 7.2 Global Classical Solutions 7.3 Applications 7.4 Convergence of Approximate Solutions Chapter 8 Cauchy Problem for Quasilinear Hyperbolic Systems in Linearly Degenerate Type 8.1 Introduction 8.2 Preliminaries 8.3 Proof of Theorem 8.2.1 8.4 Applications Bibliography