L4_A
1.Theorem: A Compact Surface Has an Elliptic Point
L4_B
1.Theorem: A Compact Connected Surface with Constant
Gauss Curvature Is a Sphere
Gauss Curvature Is a Sphere
2.Lemma: Three Conditions of a Point to Be an Umbilical Point
3.Proof: A Compact Connected Surface with Constant Gauss Curvature Is
a Sphere
a Sphere
L4_C
1.Proof: A Compact Connected Surface with Constant Gauss Curvature
Is a Sphere (cont.)
2.Proof: Three Conditions of a Point to Be an Umbilical Point
OCW _ Subtitle List (Geometry II).pdf
