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Principal direction
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Area of mathematics
Geometry and topology
Differential geometry
Second fundamental form
Shape operator
Principal curvature
2026-09-29
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A
principal direction is an
eigenvector
of the
shape operator
. The
normal curvature
in
a
unit principal direction is the corresponding
principal curvature
.
Ancestors
(8)
Principal curvature
Shape operator
Second fundamental form
Differential geometry
Geometry and topology
Area of mathematics
Mathematics
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Gaussian curvature
Mean curvature of a sphere and cylinder
Past exam of the mathematics course of the University of Cambridge
/
2010
/
ii
/
Paper 3
/
24H
/
ii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2019
/
ii
/
Paper 4
/
25H
/
a
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2020
/
ii
/
Paper 3
/
25I
/
a
/
Solution
Principal curvature
Shape operator
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