Riemannian Manifolds: Extending Geodesics Indefinitely

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SUMMARY

The discussion centers on the extension of geodesics in closed Riemannian manifolds. It is established that while local extension of geodesics from a point P in the direction of a nonzero vector V is guaranteed, indefinite extension is not universally assured. The theorem referenced confirms local behavior but does not extend to global properties, emphasizing the need for further exploration of geodesic behavior in closed manifolds.

PREREQUISITES
  • Understanding of Riemannian geometry concepts
  • Familiarity with geodesics and their properties
  • Knowledge of tangent spaces in differential geometry
  • Basic grasp of closed manifolds and their characteristics
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  • Research the properties of geodesics in closed Riemannian manifolds
  • Study the implications of local versus global geodesic extension
  • Explore examples of closed Riemannian manifolds and their geodesic behavior
  • Investigate theorems related to geodesic completeness in Riemannian geometry
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Mathematicians, physicists, and students of differential geometry interested in the properties of Riemannian manifolds and geodesic theory.

Dragonfall
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Given a closed Riemannian manifold, a point P on it and a nonzero vector V in its tangent space, can you extend a geodesic in that direction of V indefinitely? I count looping back onto itself as "indefinitely".

The theorem I have in my book only guarantees that this is possible locally near P.
 
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