Hierarchical Power Systems: Optimal Operation Using Grid Flexibilities - Aschenbruck, Tim; Dickert, Jörg; Esterhuizen, Willem; Filipecki, Bartosz; Grundel, Sara; Helmberg, Christoph; Ritschel, Tobias K. S.; Sauerteig, Philipp; Streif, Stefan; Wasserrab, Andreas (Springer International Publishing AG, 2023)