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Constant speed of an affinely parametrized geodesic
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Area of mathematics
Geometry and topology
Differential geometry
Riemannian geometry
Geodesic equation
Ambient acceleration criterion for a surface geodesic
Created
2026-09-24
Updated
2026-09-24
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The
velocity
of
a
surface
curve
is
tangent
. If its
acceleration
is normal, then
d
t
d
∣
γ
˙
∣
2
=
2
γ
˙
⋅
γ
¨
=
0
,
(1)
so every affinely parametrized
geodesic
has
constant speed
.
Ancestors
(8)
Ambient acceleration criterion for a surface geodesic
Geodesic equation
Riemannian geometry
Differential geometry
Geometry and topology
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2018
/
ii
/
Paper 4
/
25I
/
c
/
ii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2023
/
ib
/
Paper 3
/
12E
/
Solution
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