 97329 Damak M.
 On the Spectral Theory of Dispersive NBody Hamiltonians
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Jun 16, 97

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Abstract. In this work we describe a general class of dispersive Nbody
hamiltonians for which we prove the HWZ theorem and a Mourre
estimate outside a closed and countable set of energies
called thresholds. As a consequence of the Mourre estimate
we prove a strong form of the limiting absorption principle
which implies absence of singular continuous spectrum and gives
criteria of local smoothness.
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