%0 Journal Article %A Apadula, Luca %A Bisio, Alessandro %A D'Ariano, Giacomo Mauro %A Perinotti, Paolo %D 2020 %8 Array %P 082202 %T Symmetries of the Dirac quantum walk and emergence of the de Sitter group %U https://aip.scitation.org/doi/full/10.1063/1.5144731 %V 61 %N 8 %R 10.1063/1.5144731 %J Journal of Mathematical Physics