PhysicsArena: The First Multimodal Physics Reasoning Benchmark Exploring Variable, Process, and Solution Dimensions. - Song Dai; Yibo Yan; Jiamin Su; Dongfang Zihao; Yubo Gao; Yonghua Hei; Jungang Li; Junyan Zhang; Sicheng Tao; Zhuoran Gao; Xuming Hu (CoRR, 2025)