On theta correspondences for Eisenstein series

@inproceedings{Niwa2007OnTC,
  title={On theta correspondences for Eisenstein series},
  author={Shinji Niwa},
  year={2007}
}
There are three types of parabolic subgroups in Sp(2, R). In this paper we show that the Eisenstein series with respect to the Siegel parabolic subgroup corresponds to the Eisenstein series with respect to the Jacobi parabolic subgroup by theta correspondences.