Dell'Antonio, GianfaustoMichelangeli, AlessandroScandone, RaffaeleYajima, Kenji2017-04-132017-04-132017-04-13https://openscience.sissa.it/handle/1963/35283We prove that, for arbitrary centres and strengths, the wave operators for three dimensional Schrödinger operators with multi-centre local point interactions are bounded in Lp(R3) for 1 < p < 3 and unbounded otherwise.enPoint interactionsSingular perturbations of the LaplacianSelfadjoint extensionsWave operatorsDispersive estimatesCalderón-ZygmundMuckenhaupt weighted inequalitiesLp-boundedness of wave operators for the three-dimensional multi-centre point interactionPreprint