Quantifying the effect of representations on task complexity. - Julian G. Zilly; Lorenz Hetzel; Andrea Censi; Emilio Frazzoli (CoRR, 2019)

Complex Interaction as Emergent Behaviour: Simulating Mid-Air Virtual Keyboard Typing using Reinforcement Learning. - Lorenz Hetzel; John J. Dudley; Anna Maria Feit; Per Ola Kristensson (IEEE Trans. Vis. Comput. Graph., 2021)