| Preface | p. xi |
| Notation | p. xiii |
| Overview | p. 1 |
| Fixed Point Methods | p. 11 |
| Compactness in Metric Spaces | p. 13 |
| Hausdorff's Theorem | p. 13 |
| The Ascoli-Arzela Theorem | p. 15 |
| The Frechet-Kolmogorov Theorem | p. 18 |
| Completely Continuous Operators on Banach Spaces | p. 25 |
| Completely Continuous Operators | p. 25 |
| Brouwer's Fixed Point Theorem | p. 28 |
| Schauder's Fixed Point Theorem | p. 32 |
| Continuous Solutions of Integral Equations via Schauder's Theorem | p. 35 |
| The Fredholm Integral Operator | p. 35 |
| The Volterra Integral Operator | p. 37 |
| An Integral Operator with Delay | p. 39 |
| The Leray-Schauder Principle and Applications | p. 43 |
| The Leray-Schauder Principle | p. 43 |
| Existence Results for Fredholm Integral Equations | p. 45 |
| Existence Results for Volterra Integral Equations | p. 50 |
| The Cauchy Problem for an Integral Equation with Delay | p. 53 |
| Periodic Solutions of an Integral Equation with Delay | p. 55 |
| Existence Theory in L[superscript p] Spaces | p. 61 |
| The Nemytskii Operator | p. 61 |
| The Fredholm Linear Integral Operator | p. 64 |
| The Hammerstein Integral Operator | p. 68 |
| Hammerstein Integral Equations | p. 69 |
| Volterra-Hammerstein Integral Equations | p. 72 |
| References: Part I | p. 77 |
| Variational Methods | p. 83 |
| Positive Self-Adjoint Operators in Hilbert Spaces | p. 85 |
| Adjoint Operators | p. 85 |
| The Square Root of a Positive Self-Adjoint Operator | p. 88 |
| Splitting of Linear Operators in L[superscript p] Spaces | p. 90 |
| The Frechet Derivative and Critical Points of Extremum | p. 97 |
| The Frechet Derivative. Examples | p. 97 |
| Minima of Lower Semicontinuous Functionals | p. 103 |
| Application to Hammerstein Integral Equations | p. 107 |
| The Mountain Pass Theorem and Critical Points of Saddle Type | p. 111 |
| The Ambrosetti-Rabinowitz Theorem | p. 111 |
| Flows and Generalized Pseudo-Gradients | p. 117 |
| Schechter's Bounded Mountain Pass Theorem | p. 121 |
| Nontrivial Solutions of Abstract Hammerstein Equations | p. 129 |
| Nontrivial Solvability of Abstract Hammerstein Equations | p. 129 |
| Nontrivial Solutions of Hammerstein Integral Equations | p. 132 |
| A Localization Result for Nontrivial Solutions | p. 137 |
| References: Part II | p. 145 |
| Iterative Methods | p. 149 |
| The Discrete Continuation Principle | p. 151 |
| Perov's Theorem | p. 151 |
| The Continuation Principle for Contractive Maps on Generalized Metric Spaces | p. 154 |
| Hammerstein Integral Equations with Matrix Kernels | p. 159 |
| Monotone Iterative Methods | p. 163 |
| Ordered Banach Spaces | p. 163 |
| Fixed Point Theorems for Monotone Operators | p. 167 |
| Monotone Iterative Technique for Fredholm Integral Equations | p. 172 |
| Minimal and Maximal Solutions of a Delay Integral Equation | p. 177 |
| Methods of Upper and Lower Solutions for Equations of Hammerstein Type | p. 184 |
| Quadratically Convergent Methods | p. 195 |
| Newton's Method | p. 196 |
| Generalized Quasilinearization for an Integral Equation with Delay | p. 201 |
| References: Part III | p. 211 |
| Index | p. 217 |
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