35 citations · 89 across the 15 of their papers we have counts for
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math-ph2014★ 35 cited
Construction of Hadamard states by characteristic Cauchy problem
Christian Gérard, Michał Wrochna
We construct Hadamard states for Klein-Gordon fields in a spacetime equal to the interior of the future lightcone from a base point in a globally hyperbolic spaceti…
math.AP2014★ 10 cited
Asymptotic completeness for superradiant Klein-Gordon equations and applications to the De Sitter Kerr metric
Vladimir Georgescu, Christian Gérard, Dietrich Häfner
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 ang…