"Version: 20151201"--Title page verso.Includes bibliographical references.Preface -- 1. Introduction : geometrically confined magnetic systems -- 1.1. Magnetic order, dipoles and fields -- 1.2. Effects due to geometry -- 1.3. Exchange interactions -- 1.4. Anisotropic exchange couplings -- 1.5. Local anisotropies -- 1.6. Theory for linear and nonlinear magnetism -- 1.7. Simulations in magnetismp…