%0 Journal Article %T Isometric and invertible composition operators on weighted Bergman spaces of Dirichlet series %A Maxime Bailleul %J Mathematics %D 2014 %I arXiv %X We show that a composition operator on weighted Bergman spaces $\mathcal{A}_{\mu}^p$ is invertible if and only if it is Fredholm if and only if it is an isometry. %U http://arxiv.org/abs/1404.3514v1