viii CONTENTS
Bibliography 66
Chapter 8. Tournaments 67
8.1. Landau’s Theorem 67
8.2. A Special Tournament in T (R) 71
8.3. Eigenvalues of Tournament Matrices 74
Bibliography 76
Chapter 9. Two Matrix Polytopes 77
9.1. The Doubly Stochastic Polytope 77
9.2. Alternating Sign Matrices 79
9.3. The Alternating Sign Matrix Polytope 81
9.4. ASM Patterns 83
Bibliography 86
Chapter 10. Digraphs and Eigenvalues of (0, 1)-matrices 87
10.1. (0, 1)-matrices with all Eigenvalues Positive 87
10.2. Totally Nonnegative Matrices 90
10.3. Totally Nonnegative (0, 1)-matrices 91
Bibliography 93
Index 95
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