Wigner functions for angle and orbital angular momentum : operators and dynamics Kastrup, H. A. 2017 - DESY EPflicht - frei zugänglich
Wigner functions for the pair angle and orbital angular momentum : possible applications in quantum information theories Kastrup, H. A. 2017 - DESY EPflicht - frei zugänglich
On the advancements of conformal transformations and their associated symmetries in geometry and theoretical physics Kastrup, H. A. 2008 - DESY EPflicht - frei zugänglich
A new look at the quantum mechanics of the harmonic oscillator Kastrup, H. A. 2007 - DESY EPflicht - frei zugänglich