%0 Journal Article %A Wu, Shu-Lin %A Zhou, Tao %T Diagonalization-based parallel-in-time algorithms for parabolic PDE-constrained optimization problems %J ESAIM: Control, Optimisation and Calculus of Variations %D 2020 %V 26 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2020012/ %R 10.1051/cocv/2020012 %G en %F COCV_2020__26_1_A88_0