L9_A
1. Review: Developable Surface
2. Minimal Surface
3. Normal Variation
4. Interpretation of Minimality
L9_B
1. Interpretation of Minimality (cont.)
L9_C
1. Interpretation of Minimality (cont.)
2. Proposition: A Parametrized Surface Is Minimal if and only if A’(0)=0
OCW _ Subtitle List (Geometry II).pdf
