On a morse theory for light rays without nondegeneracy assumptions /

Lignende værker

• A variational theory for light rays in convex subsets of stably causal lorentzian manifolds /
  af: Piccione, Paolo.
• Fermats principle, Morse theory and applications to the gravitational lens effect /
  af: Perlick, Volker.
• Critical point theory and global lorentzian geometry /
  af: Masiello, Antonio.
• Stability of geodesic structures /
  af: Beem, John K.
• Some results about geodesics on lorentzian manifolds of splitting type /
  af: Antonacci, Flavia.