Industry
Russia-Ukraine talks live: Attacks continue before US-led negotiations
How the US left Ukraine exposed to Russia's winter war Will Europe use frozen Russian assets to fund war? How can Ukraine rebuild China ties? The United States is set to host talks between envoys from Russia and Ukraine in Geneva, Switzerland, on Tuesday and Wednesday, days before the fourth anniversary of the full-scale Russian invasion of its neighbour. Ukrainian President Volodymyr Zelenskyy says diplomacy will be more effective with "justice and strength", after Russia launched a large-scale missile and drone attack at targets across Ukraine. For its part, Russia also reported dozens of Ukrainian drones were fired overnight.
Understanding Model Selection for Learning in Strategic Environments
The deployment of ever-larger machine learning models reflects a growing consensus that the more expressive the model class one optimizes over--and the more data one has access to--the more one can improve performance. As models get deployed in a variety of real-world scenarios, they inevitably face strategic environments.
Learning Equilibria in Adversarial Team Markov Games: A Nonconvex-Hidden-Concave Min-Max Optimization Problem
The joint decisions of the agents influence both individual rewards and the transition of the environment. MARL in general is occupied with leading the multi-agent system to a favorable outcome. Through the lens of game theory, the notion of a "favorable outcome" is formally defined through concepts like a Nash