2019.08.25 Multiagent papers

08-25-2019	OpenSpiel: A Framework for Reinforcement Learning in Games by Marc Lanctot et al
08-21-2019	BRIDGE: Byzantine-resilient Decentralized Gradient Descent by Zhixiong Yang et al
08-24-2019	Universal Policies to Learn Them All by Hassam Ullah Sheikh et al
08-22-2019	Semantic Structures for Spatially-Distributed Multi-Agent Systems by Frank Valencia
08-22-2019	Discrete-time average-cost mean-field games on Polish spaces by Naci Saldi
08-22-2019	Immediate Observation in Mediated Population Protocols by Tobias Prehn et al
08-22-2019	Dealing with uncertainty in agent-based models for short-term predictions by Le-Minh Kieu et al