Introduction
Chapter 10. Existence and Approximation of Solutions of
Differential Equations
Summary
10.1. The Spaces Bp.k
10.2. Fundamental Solutions
10.3. The Equation P(D) u =f when
10.4. Comparison of Differential Operators
10.5. Approximation of Solutions of Homogeneous Differential Equations
10.6. The Equation P(D)u=f when f is in a Local Space
10.7. The Equation P(D) u =f when
10.8. The Geometrical Meaning of the Convexity Conditions
Notes
Chapter 11. Interior Regularity of Solutions of Differential Equations
Summary
11.1. HypoeUiptic Operators
11.2. Partially Hypoelliptic Operators
11.3. Continuation of Differentiability
11.4. Estimates for Derivatives of High Order
Notes
Chapter 12. The Cauchy and Mixed Problems
Summary
12.1 The Cauchy Problem for the Wave Equation
12.2 The Oscillatory Cauchy Problem for the Wave Equation
12.3 Necessary Conditions for Existence and Uniqueness of Solutions to the Cauchy Problem
……
Chapter 13 Differential Operators of Constant Strength
Chapter 14 Scattering Theory
Chapter 15 Analytic Function Theory and Differential Equations
Chapter 16 Convolution Equations
Appendix A. Some Algebraic Lemmas
Bibliography
Index
Index of Notation