AUTHOR=Nolfi Stefano , Pagliuca Paolo TITLE=Global progress in competitive co-evolution: a systematic comparison of alternative methods JOURNAL=Frontiers in Robotics and AI VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/robotics-and-ai/articles/10.3389/frobt.2024.1470886 DOI=10.3389/frobt.2024.1470886 ISSN=2296-9144