On GRPO Collapse in Search-R1: The Lazy Likelihood-Displacement Death Spiral Paper • 2512.04220 • Published Dec 3, 2025 • 15
MedVLThinker: Simple Baselines for Multimodal Medical Reasoning Paper • 2508.02669 • Published Aug 4, 2025
MedVLSynther: Synthesizing High-Quality Visual Question Answering from Medical Documents with Generator-Verifier LMMs Paper • 2510.25867 • Published Oct 29, 2025 • 7