AI Papers - 2026-01-20

Today's papers: - Scalable Transit Delay Prediction at City Scale: A Systematic Approach with Multi-Resolution Feature Engineering and Deep Learning: https://arxiv.org/abs/2601.18521v1 - Assessing the Quality of Mental Health Support in LLM Responses through Multi-Attribute Human Evaluation: https://arxiv.org/abs/2601.18630v1 - Trust, Don't Trust, or Flip: Robust Preference-Based Reinforcement Learning with Multi-Expert Feedback: https://arxiv.org/abs/2601.18751v1 - Reuse your FLOPs: Scaling RL on Hard Problems by Conditioning on Very Off-Policy Prefixes: https://arxiv.org/abs/2601.18795v1 - POPE: Learning to Reason on Hard Problems via Privileged On-Policy Exploration: https://arxiv.org/abs/2601.18779v1 This podcast is from Colin Davis (colin-davis.com) using Claude & Elevenlabs.