| Preface | p. vii |
| Introduction and Outline | p. 1 |
| Description of the Contents | p. 2 |
| Notation and Conventions | p. 3 |
| Indefinite Inner Products | p. 7 |
| Definition | p. 7 |
| Orthogonality and Orthogonal Bases | p. 9 |
| Classification of Subspaces | p. 11 |
| Exercises | p. 14 |
| Notes | p. 18 |
| Orthogonalization and Orthogonal Polynomials | p. 19 |
| Regular Orthogonalizations | p. 19 |
| The Theorems of Szego and Krein | p. 27 |
| One-Step Theorem | p. 29 |
| Determinants of One-Step Completions | p. 36 |
| Exercises | p. 40 |
| Notes | p. 44 |
| Classes of Linear Transformations | p. 45 |
| Adjoint Matrices | p. 45 |
| H-Selfadjoint Matrices: Examples and Simplest Properties | p. 48 |
| H-Unitary Matrices: Examples and Simplest Properties | p. 50 |
| A Second Characterization of H-Unitary Matrices | p. 54 |
| Unitary Similarity | p. 55 |
| Contractions | p. 57 |
| Dissipative Matrices | p. 59 |
| Symplectic Matrices | p. 62 |
| Exercises | p. 66 |
| Notes | p. 72 |
| Canonical Forms | p. 73 |
| Description of a Canonical Form | p. 73 |
| First Application of the Canonical Form | p. 75 |
| Proof of Theorem 5.1.1 | p. 77 |
| Classification of Matrices by Unitary Similarity | p. 82 |
| Signature Matrices | p. 85 |
| Structure of H-Selfadjoint Matrices | p. 89 |
| H-Definite Matrices | p. 91 |
| Second Description of the Sign Characteristic | p. 92 |
| Stability of the Sign Characteristic | p. 95 |
| Canonical Forms for Pairs of Hermitian Matrices | p. 96 |
| Third Description of the Sign Characteristic | p. 98 |
| Invariant Maximal Nonnegative Subspaces | p. 99 |
| Inverse Problems | p. 106 |
| Canonical Forms for H-Unitaries: First Examples | p. 107 |
| Canonical Forms for H-Unitaries: General Case | p. 110 |
| First Applications of the Canonical Form of H-Unitaries | p. 118 |
| Further Deductions from the Canonical Form | p. 119 |
| Exercises | p. 120 |
| Notes | p. 123 |
| Real H-Selfadjoint Matrices | p. 125 |
| Real H-Selfadjoint Matrices and Canonical Forms | p. 125 |
| Proof of Theorem 6.1.5 | p. 128 |
| Comparison with Results in the Complex Case | p. 131 |
| Connected Components of Real Unitary Similarity Classes | p. 133 |
| Connected Components of Real Unitary Similarity Classes (H Fixed) | p. 137 |
| Exercises | p. 140 |
| Notes | p. 142 |
| Functions of H-Selfadjoint Matrices | p. 143 |
| Preliminaries | p. 143 |
| Exponential and Logarithmic Functions | p. 145 |
| Functions of H-Selfadjoint Matrices | p. 147 |
| The Canonical Form and Sign Characteristic | p. 150 |
| Functions which are Selfadjoint in another Indefinite Inner Product | p. 154 |
| Exercises | p. 156 |
| Notes | p. 158 |
| H-Normal Matrices | p. 159 |
| Decomposability: First Remarks | p. 159 |
| H-Normal Linear Transformations and Pairs of Commuting Matrices | p. 163 |
| On Unitary Similarity in an Indefinite Inner Product | p. 165 |
| The Case of Only One Negative Eigenvalue of H | p. 166 |
| Exercises | p. 174 |
| Notes | p. 177 |
| General Perturbations. Stability of Diagonalizable Matrices | p. 179 |
| General Perturbations of H-Selfadjoint Matrices | p. 179 |
| Stably Diagonalizable H-Selfadjoint Matrices | p. 183 |
| Analytic Perturbations and Eigenvalues | p. 185 |
| Analytic Perturbations and Eigenvectors | p. 189 |
| The Real Case | p. 192 |
| Positive Perturbations of H-Selfadjoint Matrices | p. 193 |
| H-Selfadjoint Stably r-Diagonalizable Matrices | p. 195 |
| General Perturbations and Stably Diagonalizable H-Unitary Matrices | p. 198 |
| H-Unitarily Stably u-Diagonalizable Matrices | p. 200 |
| Exercises | p. 203 |
| Notes | p. 205 |
| Definite Invariant Subspaces | p. 207 |
| Semidefinite and Neutral Subspaces: A Particular H | p. 207 |
| Plus Matrices and Invariant Nonnegative Subspaces | p. 212 |
| Deductions from Theorem 10.2.4 | p. 217 |
| Expansive, Contractive Matrices and Spectral Properties | p. 221 |
| The Real Case | p. 226 |
| Exercises | p. 227 |
| Notes | p. 228 |
| Differential Equations of First Order | p. 229 |
| Boundedness of solutions | p. 229 |
| Hamiltonian Systems of Positive Type with Constant Coefficients | p. 232 |
| Exercises | p. 234 |
| Notes | p. 236 |
| Matrix Polynomials | p. 237 |
| Standard Pairs and Triples | p. 238 |
| Matrix Polynomials with Hermitian Coefficients | p. 242 |
| Factorization of Hermitian Matrix Polynomials | p. 245 |
| The Sign Characteristic of Hermitian Matrix Polynomials | p. 249 |
| The Sign Characteristic of Hermitian Analytic Matrix Functions | p. 256 |
| Hermitian Matrix Polynomials on the Unit Circle | p. 261 |
| Exercises | p. 263 |
| Notes | p. 266 |
| Differential and Difference Equations of Higher Order | p. 267 |
| General Solution of a System of Differential Equations | p. 267 |
| Boundedness for a System of Differential Equations | p. 268 |
| Stable Boundedness for Differential Equations | p. 270 |
| The Strongly Hyperbolic Case | p. 273 |
| Connected Components of Differential Equations | p. 274 |
| A Special Case | p. 276 |
| Difference Equations | p. 278 |
| Stable Boundedness for Difference Equations | p. 281 |
| Connected Components of Difference Equations | p. 284 |
| Exercises | p. 286 |
| Notes | p. 288 |
| Algebraic Riccati Equations | p. 289 |
| Matrix Pairs in Systems Theory and Control | p. 290 |
| Origins in Systems Theory | p. 293 |
| Preliminaries on the Riccati Equation | p. 295 |
| Solutions and Invariant Subspaces | p. 296 |
| Symmetric Equations | p. 297 |
| An Existence Theorem | p. 298 |
| Existence when M has Real Eigenvalues | p. 303 |
| Description of Hermitian Solutions | p. 307 |
| Extremal Hermitian Solutions | p. 309 |
| The CARE with Real Coefficients | p. 312 |
| The Concerns of Numerical Analysis | p. 315 |
| Exercises | p. 317 |
| Notes | p. 318 |
| Topics from Linear Algebra | p. 319 |
| Hermitian Matrices | p. 319 |
| The Jordan Form | p. 321 |
| Riesz Projections | p. 332 |
| Linear Matrix Equations | p. 335 |
| Perturbation Theory of Subspaces | p. 335 |
| Diagonal Forms for Matrix Polynomials and Matrix Functions | p. 338 |
| Convexity of the Numerical Range | p. 342 |
| The Fixed Point Theorem | p. 344 |
| Exercises | p. 345 |
| Bibliography | p. 349 |
| Index | p. 355 |
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