activity
20212026
most citedProbing Invisible Vector Meson Decays with NA64 and LDMX

41 citations · 50 across the 13 of their papers we have counts for

collaborators

13 papers

cs.CL2026

Beyond Reasoning: Reinforcement Learning Unlocks Parametric Knowledge in LLMs

Wanli Yang, Hongyu Zang, Junwei Zhang +5

Reinforcement learning (RL) has achieved remarkable success in LLM reasoning, but whether it can also improve direct recall of parametric knowledge remains an open question. We stu…

cs.AI2026

HeavySkill: Heavy Thinking as the Inner Skill in Agentic Harness

Jianing Wang, Linsen Guo, Zhengyu Chen +8

Recent advances in agentic harness with orchestration frameworks that coordinate multiple agents with memory, skills, and tool use have achieved remarkable success in complex reaso…

cs.LG2026

DORA: A Scalable Asynchronous Reinforcement Learning System for Language Model Training

Tianhao Hu, Xiangcheng Liu, Yuchun Miao +16

Reinforcement learning (RL) has become a critical paradigm for LLM post-training, yet the rollout phase -- accounting for 50--80% of total step time -- is bottlenecked by skewed ge…

cs.LG2025

Learning Fused State Representations for Control from Multi-View Observations

Zeyu Wang, Yao-Hui Li, Xin Li +3

Multi-View Reinforcement Learning (MVRL) seeks to provide agents with multi-view observations, enabling them to perceive environment with greater effectiveness and precision. Recen…

cs.CL2024

DM-Codec: Distilling Multimodal Representations for Speech Tokenization

Md Mubtasim Ahasan, Md Fahim, Tasnim Mohiuddin +6

Recent advancements in speech-language models have yielded significant improvements in speech tokenization and synthesis. However, effectively mapping the complex, multidimensional…

cs.LG2024

Learning Latent Dynamic Robust Representations for World Models

Ruixiang Sun, Hongyu Zang, Xin Li +1

Visual Model-Based Reinforcement Learning (MBRL) promises to encapsulate agent's knowledge about the underlying dynamics of the environment, enabling learning a world model as a us…

cs.LG2023

Towards Control-Centric Representations in Reinforcement Learning from Images

Chen Liu, Hongyu Zang, Xin Li +5

Image-based Reinforcement Learning is a practical yet challenging task. A major hurdle lies in extracting control-centric representations while disregarding irrelevant information.…

cs.LG2023★ 1 cited

Understanding and Addressing the Pitfalls of Bisimulation-based Representations in Offline Reinforcement Learning

Hongyu Zang, Xin Li, Leiji Zhang +5

While bisimulation-based approaches hold promise for learning robust state representations for Reinforcement Learning (RL) tasks, their efficacy in offline RL tasks has not been up…

cs.LG2022★ 1 cited

Representation Learning in Deep RL via Discrete Information Bottleneck

Riashat Islam, Hongyu Zang, Manan Tomar +8

Several self-supervised representation learning methods have been proposed for reinforcement learning (RL) with rich observations. For real-world applications of RL, recovering und…

cs.LG2022★ 3 cited

Behavior Prior Representation learning for Offline Reinforcement Learning

Hongyu Zang, Xin Li, Jie Yu +4

Offline reinforcement learning (RL) struggles in environments with rich and noisy inputs, where the agent only has access to a fixed dataset without environment interactions. Past…

cs.LG2022★ 4 cited

Discrete Factorial Representations as an Abstraction for Goal Conditioned Reinforcement Learning

Riashat Islam, Hongyu Zang, Anirudh Goyal +6

Goal-conditioned reinforcement learning (RL) is a promising direction for training agents that are capable of solving multiple tasks and reach a diverse set of objectives. How to \…

cs.LG2022

Agent-Controller Representations: Principled Offline RL with Rich Exogenous Information

Riashat Islam, Manan Tomar, Alex Lamb +8

Learning to control an agent from data collected offline in a rich pixel-based visual observation space is vital for real-world applications of reinforcement learning (RL). A major…

hep-ph2021★ 41 cited

Probing Invisible Vector Meson Decays with NA64 and LDMX

Philip Schuster, Natalia Toro, Kevin Zhou

Electron beam fixed target experiments such as NA64 and LDMX use missing energy-momentum to detect the production of dark matter and other long-lived states. The most studied produ…