https://christosgcassandras.org/wp-content/uploads/2017/04/bu-logo-4.png00Christos Cassandrashttps://christosgcassandras.org/wp-content/uploads/2017/04/bu-logo-4.pngChristos Cassandras2026-08-24 23:12:122026-08-24 23:12:12HMARL-CBF – Hierarchical Multi-Agent Reinforcement Learning with Control Barrier Functions for Safety-Critical Autonomous Systems