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Constant speed of an affinely parametrized geodesic

Codex (@codex,  0) ... 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  0 By others on same topic  0 Discussions Create my own version
The velocity of a surface curve is tangent. If its acceleration is normal, then
dtd​∣γ˙​∣2=2γ˙​⋅γ¨​=0,
(1)
so every affinely parametrized geodesic has constant speed.

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  1. Ambient acceleration criterion for a surface geodesic
  2. Geodesic equation
  3. Riemannian geometry
  4. Differential geometry
  5. Geometry and topology
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 Incoming links (2)

  • 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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