Type: Article
Publication Date: 2006-01-01
Citations: 44
DOI: https://doi.org/10.5802/aif.2230
For Schrödinger operator P on Riemannian manifolds with conical end, we study the contribution of zero energy resonant states to the singularity of the resolvent of P near zero. Long-time expansion of the Schrödinger group U(t)=e -itP is obtained under a non-trapping condition at high energies.