%0 Journal Article %T Asymptotic completeness for superradiant Klein-Gordon equations and applications to the De Sitter Kerr metric %A Vladimir Georgescu %A Christian G¨¦rard %A Dietrich H£¿fner %J Mathematics %D 2014 %I arXiv %X We show asymptotic completeness for a class of superradiant Klein-Gordon equations. Our results are applied to the Klein-Gordon equation on the De Sitter Kerr metric with small angular momentum of the black hole. For this equation we obtain asymptotic completeness for fixed angular momentum of the field. %U http://arxiv.org/abs/1405.5304v1