Ax Shi Qiu, Zeyu Cai, Jiashen Wei, Zeyu Li, Yixuan Yin, Qing-Hong Cao, Chang Liu, Ming-xing Luo, Xing-Bo Yuan, Hua Xing Zhu 3/17/2026

An End-to-end Architecture for Collider Physics and Beyond

End-to-end language-driven agent system for high-energy physics phenomenology workflows, executing tasks from theoretical input to final outputs.

Ax Ian Osband 3/17/2026

Delightful Policy Gradient

Novel policy gradient method addressing pathological behavior in standard policy gradients through context-aware advantage weighting.

Ax Xuanfei Ren, Allen Nie, Tengyang Xie, Ching-An Cheng 3/17/2026

POLCA: Stochastic Generative Optimization with LLM

POLCA framework uses LLMs as optimizers guided by rewards and feedback to automate optimization of prompts and multi-turn agent systems, formalizing it as stochastic generative optimization.

Ax Kevin Taylor 3/17/2026

Directional Routing in Transformers

Lightweight routing mechanism for transformer attention heads with mechanistic interpretability analysis of computational pathways.