TABLE OF CONTENTS: Preface vii Introduction ix Chapter 1. Classical results 1 1.1 Michael's Continuous Selection Theorem 1 1.2 Results of Kuratowski and Ryll-Nardzewski 8 1.3 Remarks 13 Chapter 2. Functions that are constant on the sets of a disjoint discretely o-decomposable family of F_{s}-sets 19 2.1 Discretely o-Decomposable Partitions of a Metric Space 19 2.2 Functions of the First Borel and Baire Classes 25 2.3 When is a Function of the First Borel Class also of the First Baire Class? 39 2.4 Remarks 42 Chapter 3. Selectors for upper semi-continuous functions with non-empty compact values 43 3.1 A General Theorem 45 3.2 Special Theorems 53 3.3 Minimal Upper Semi-continuous Set-valued Maps 53 3.4 Remarks 57 Chapter 4. Selectors for compact sets 65 4.1 A Special Theorem 67 4.2 A General Theorem 69 4.3 Remarks 88 Chapter 5. Applications 91 5.1 Monotone Maps and Maximal Monotone Maps 95 5.2 Subdifferential Maps 101 5.3 Attainment Maps from X* to X 106 5.4 Attainment Maps from X to X* 107 5.5 Metric Projections or Nearest Point Maps 108 5.6 Some Selections into Families of Convex Sets 110 5.7 Example 118 5.8 Remarks 122 Chapter 6. Selectors for upper semi-continuous set-valued maps with nonempty values that are otherwise arbitrary 123 6.1 Diagonal Lemmas 124 6.2 Selection Theorems 127 6.3 A Selection Theorem for Lower Semi-continuous Set-valued Maps 138 6.4 Example 140 6.5 Remarks 144 Chapter 7. Further applications 147 7.1 Boundary Lemmas 149 7.2 Duals of Asplund Spaces 151 7.3 A Partial Converse to Theorem 5.4 156 7.4 Remarks 159 Bibliography 161 Index 165
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