Asymptotic expansion in time of the Schrödinger group on conical manifolds
Xue Ping Wang (2006)
Annales de l’institut Fourier
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For Schrödinger operator on Riemannian manifolds with conical end, we study the contribution of zero energy resonant states to the singularity of the resolvent of near zero. Long-time expansion of the Schrödinger group is obtained under a non-trapping condition at high energies.