DeepResearch Arena: The First Exam of LLMs' Research Abilities via Seminar-Grounded Tasks. - Haiyuan Wan; Chen Yang; Junchi Yu; Meiqi Tu; Jiaxuan Lu; Di Yu; Jianbao Cao; Ben Gao; Jiaqing Xie; Aoran Wang; Wenlong Zhang; Philip Torr 001; et al. (CoRR, 2025)