Vet Let S = x(U) C E be an elementary surface. Prove that K S HP and deduce that on a minimal elementary surface K(u, v)

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Vet Let S X U C E Be An Elementary Surface Prove That K S Hp And Deduce That On A Minimal Elementary Surface K U V 1 (29.69 KiB) Viewed 36 times

Vet Let S = x(U) C E be an elementary surface. Prove that K S HP and deduce that on a minimal elementary surface K(u, v) < 0 with equality holding if and only if S is a portion of a plane. KO Va) Use to prove that K >0 on the green region, K <0 on the red region and K = 0 on the borderline region.