A smooth pseudo-gradient for the Lagrangian action functional by

@inproceedings{Abbondandolo2008ASP,
  title={A smooth pseudo-gradient for the Lagrangian action functional by},
  author={Alberto Abbondandolo},
  year={2008}
}
We study the action functional associated to a smooth Lagrangian function on the cotangent bundle of a manifold, having quadratic growth in the velocities. We show that, although the action functional is in general not twice differentiable on the Hilbert manifold consisting of H curves, it is a Lyapunov function for some smooth Morse-Smale vector field, under the generic assumption that all the critical points are non-degenerate. This fact is sufficient to associate a Morse complex to the… CONTINUE READING

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