AbstractIntroduction16.1 Symmetric Bent Functions16.2 Homogeneous Bent Functions16.3 Rotation-Symmetric Bent Functions16.4 Normal Bent Functions16.5 Self-Dual and Anti-Self-Dual Bent Functions16.6 Partially Defined Bent Functions16.7 Plateaued Functions16.8 Z-Bent Functions16.9 Negabent Functions, Bent4-Functions, and I-Bent Functions