| Preface | |
| Periodic Solutions of First Order Linear Equations | p. 1 |
| Periodic Solutions of Generalized Difference Systems | p. 11 |
| Periodic Boundary Value Problems: First Order Systems | p. 26 |
| Periodic Boundary Value Problems: Second Order Systems | p. 33 |
| Periodic Solutions of Higher Order Partial Difference Equations | p. 41 |
| Nonlinear Variation of Parameter Methods: One Independent Variable | p. 61 |
| Nonlinear Variation of Parameter Methods: Several Independent Variables | p. 74 |
| Convergence to Equilibria | p. 84 |
| Asymptotic Behavior of Generalized Difference Systems | p. 96 |
| Stability of Generalized Difference Systems | p. 105 |
| Oscillation via Lyapunov's Second Method | p. 112 |
| Oscillation via Difference Inequalities | p. 121 |
| Oscillation via Summation Averages | p. 134 |
| Oscillation for Nonlinear Difference Equations | p. 149 |
| Oscillation for Quasilinear Difference Equations | p. 167 |
| Oscillations Generated by Deviating Arguments | p. 172 |
| Positive Monotone Solutions for Nonlinear Difference Equations | p. 189 |
| Oscillation for nth Order Nonlinear Difference Equations | p. 197 |
| Comparison Theorems | p. 209 |
| Oscillation for Second Order Neutral Delay Difference Equations | p. 219 |
| Oscillation for Second Order Neutral Delay Difference Equations (Contd.) | p. 227 |
| Oscillation for Higher Order Neutral Delay Difference Equations | p. 233 |
| Oscillation for Partial Difference Equations I | p. 241 |
| Oscillation for Partial Difference Equations II | p. 271 |
| Oscillation for Partial Difference Equations III | p. 277 |
| Oscillation for Partial Difference Equations IV | p. 296 |
| A Three-Point Boundary Value Problem | p. 311 |
| A Singular Boundary Value Problem | p. 318 |
| Eigenvalues of Boundary Value Problems | p. 329 |
| Two Solutions of a Boundary Value Problem | p. 350 |
| (n,p) Boundary Value Problems | p. 361 |
| Boundary Value Problems Arising in Transport Phenomena | p. 384 |
| Solutions of m-Point Boundary Value Problems | p. 398 |
| Two-Point Boundary Value Problems for Generalized Difference Systems | p. 414 |
| Multi-Point Boundary Value Problems for General Difference Systems | p. 425 |
| Resonant Boundary Value Problems for Generalized Difference Systems | p. 449 |
| Boundary Value Problems in Abstract Spaces | p. 464 |
| Linear Square Optimal Control Problem | p. 471 |
| Symmetries of Difference Systems on Manifolds | p. 478 |
| Discrete Polar Coordinates | p. 483 |
| References | p. 492 |
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