Mathematics – Spectral Theory
Scientific paper
2000-10-27
Mathematics
Spectral Theory
AMS-LaTeX, 43 pages, 5 figures
Scientific paper
We develop the scattering theory of general conformally compact metrics. For low frequencies, the domain of the scattering matrix is shown to be frequency dependent. In particular, generalized eigenfunctions exhibit L^2 decay in directions where the asymptotic curvature is sufficiently negative. The scattering matrix is shown to be a pseudodifferential operator. For generic frequency in this part of the continuous spectrum, we give an explicit construction of the resolvent kernel.
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