Kleinschmidt, Axel Quantum Gravity and Unified Theories, AEI Golm, MPI for Gravitational Physics, Max Planck Society;
1412.5625.pdf (Preprint), 2MB
Gustafsson, H. P. A., Kleinschmidt, A., & Persson, D. (2016). Small automorphic representations and degenerate Whittaker vectors. Journal of Number Theory, 166, 344-399. doi:10.1016/j.jnt.2016.02.002.