%0 Journal Article %A Das, Biswarup %A Franz, Uwe %A Kula, Anna %A Skalski, Adam %T Second cohomology groups of the Hopf$^*$-algebras associated to universal unitary quantum groups %J Annales de l'Institut Fourier %D 2023 %P 479-509 %V 73 %N 2 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.3527/ %R 10.5802/aif.3527 %G en %F AIF_2023__73_2_479_0