A Haptic Model for the Quantum Phase of Fermions and Bosons in Hilbert Space Based on Knot Theory. - Stefan Heusler; Malte Ubben (Symmetry, 2019)

A Haptic Model of Entanglement, Gauge Symmetries and Minimal Interaction Based on Knot Theory. - Stefan Heusler; Malte Ubben (Symmetry, 2019)

A Knot Theoretic Extension of the Bloch Sphere Representation for Qubits in Hilbert Space and Its Application to Contextuality and Many-Worlds Theories. - Stefan Heusler; Paul Schlummer; Malte Ubben (Symmetry, 2020)

The Topological Origin of Quantum Randomness. - Stefan Heusler; Paul Schlummer; Malte Ubben (Symmetry, 2021)

Mobile learning in the classroom - Should students bring mobile devices for learning, or should these be provided by schools? - Daniel Laumann; Maurice Krause; Fabienne E. Kremer; Barbara Leibrock; Malte Ubben; Boris Forthmann; Robin Janzik; Dörthe Masemann; Felix Reer; Cornelia Denz; Gilbert Greefrath; Susanne Heinicke; et al. (Educ. Inf. Technol., 2025)