Probing the geometry of two-qubit state space by evolution. - Andrzej M. Frydryszak; Maria Gieysztor; Andrij Kuzmak (Quantum Inf. Process., 2019)

Two-qubit trace-norm geometric discord: the complete solution. - Piotr Lugiewicz; Andrzej M. Frydryszak; Lech Jakóbczyk (Quantum Inf. Process., 2019)