Laplace transform, dynamics and spectral geometry

Details Laplace transform, dynamics and spectral geometry Laplace transform, dynamics and spectral geometry

2004-05-03

arxiv.org/abs/math/0405037v2

Mathematics

Differential Geometry

added a reference and dropped an appendix

Scientific paper

We consider vector fields $X$ on a closed manifold $M$ with rest points of Morse type. For such vector fields we define the property of exponential growth. A cohomology class $\xi\in H^1(M;\mathbb R)$ which is Lyapunov for $X$ defines counting functions for isolated instantons and closed trajectories. If $X$ has exponential growth property we show, under a mild hypothesis generically satisfied, how these counting functions can be recovered from the spectral geometry associated to $(M,g,\omega)$ where $g$ is a Riemannian metric and $\omega$ is a closed one form representing $\xi$. This is done with the help of Dirichlet series and their Laplace transform.

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