dmf.mw

• Preliminaries
• Euclidean space curves
  • Minimal order cross-section
  • Non minimal order cross section
• Euclidean surfaces : retrieve the Codazzi equation.
• Equi-Affine surfaces
  • Hyperbolic section
  • Elliptic section
• Abelian group G_P
• Symmetry group for orthogonal wave equations