2019.04.21 MultiAgent papers

04-19-2019	Secure and secret cooperation of robotic swarms by using Merkle trees by Eduardo Castelló Ferrer et al
04-17-2019	PLOTS: Procedure Learning from Observations using Subtask Structure by Tong Mu et al
04-17-2019	SEVA: A Data driven model of Electric Vehicle Charging Behavior by Jurjen R. Helmus et al
04-16-2019	Robust nonlinear control of close formation flight by Qingrui Zhang et al