Maps on density operators preserving quantum (f ) -divergences. - Lajos Molnár; Gergo Nagy; Patrícia Szokol (Quantum Inf. Process., 2013)

Transformations on density operators and on positive definite operators preserving the quantum Rényi divergence. - Marcell Gaál; Lajos Molnár (Period. Math. Hung., 2017)