Daily AI Papers Briefing (2026-05-25)

【本日の論文】1. DelTA: Discriminative Token Credit Assignment for Reinforcement Learning from Verifiable Rewards https://huggingface.co/papers/2605.214672. TransitLM: A Large-Scale Dataset and Benchmark for Map-Free Transit Route Generation https://huggingface.co/papers/2605.223553. Perception or Prejudice: Can MLLMs Go Beyond First Impressions of Personality? https://huggingface.co/papers/2605.221094. π-Bench: Evaluating Proactive Personal Assistant Agents in Long-Horizon Workflows https://huggingface.co/papers/2605.146785. Full Attention Strikes Back: Transferring Full Attention into Sparse within Hundred Training Steps https://huggingface.co/papers/2605.16928