Alejandro Cunillera was a PhD Student at Universidad Autónoma de Madrid (UAM). He earned a Bachelor's Degree in Mathematics and Physics at the Universidad Complutense de Madrid and a Master's Degree in Physics of Complex Systems at IFISC, Instituto de Física Interdisciplinar y Sistemas Complejos (CSIC-UIB). Author's contribution: Optimal control of a graph evolving in discrete time Stabilizing the graph by minimizing a discrete LQR and driving it to a reference state. Author: Alejandro Cunillera - 26 October 2018