collaborators

15 papers

cs.AI2026

Agentic Self-Awareness: Aligning Knowing, Acting, and Holding

Qinglin Chen, Hiroaki Hayashi, Jiaxin Zhang +1

Frontier AI agents increasingly act in environments where seemingly solvable tasks may lack prerequisites, contain conflicting requirements, or reveal blockers only during executio…

cs.LG2026

GameSmith: Scaling Zero-Sum Self-Play with Synthesised Games

Weixian Waylon Li, Jiaxin Zhang, Han Zhou +4

Post-training large language models (LLMs) on two-player zero-sum games provides a verifiable reward, and the gains have been shown to transfer to general reasoning. Existing pipel…

cs.AI2026

Fork Where the Model Changes Its Mind: Belief-Shift Branching for Tree-Structured Reinforcement Learning

Bin Lei, Yu Li, Prafulla Kumar Choubey +7

Tree-structured rollouts give critic-free reinforcement learning with verifiable rewards (RLVR) step-level credit: fork a chain at an intermediate point, and sibling outcome differ…

cs.AI2026

On the Fragility of Self-Improving Agents: Variance, Task Order, and Underspecification

Qinyuan Ye, Yu Li, Yada Pruksachatkun +2

Memory-based self-improving agents--those that learn from an online stream of tasks and improve over time by maintaining a textual memory bank--have shown great promise in recent l…

cs.LG2026

TRIAGE: Role-Typed Credit Assignment for Agentic Reinforcement Learning

Yuanda Xu, Zhengze Zhou, Hejian Sang +6

Agentic reinforcement learning requires assigning credit to environment-facing actions such as searches, clicks, edits, navigation commands, and object interactions. Standard GRPO…

cs.LG2026

Speculate with Memory: Lossless Acceleration for LLM Agents

Yu Li, Qinyuan Ye, Prafulla Kumar Choubey +2

Speculative execution accelerates LLM agents by using a smaller, cheaper model to predict and pre-launch the next step while the environment is idle. However, existing speculators…

cs.CL2026

Dont Stop Early: Scalable Enterprise Deep Research with Controlled Information Flow and Evidence-Aware Termination

Prafulla Kumar Choubey, Kung-Hsiang Huang, Pranav Narayanan Venkit +5

Enterprise deep research often fails to produce decision-ready reports due to uneven information coverage, context explosion, and premature stopping. We propose a scalable Enterpri…

cs.LG2026

The Illusion of Certainty: Decoupling Capability and Calibration in On-Policy Distillation

Jiaxin Zhang, Xiangyu Peng, Qinglin Chen +3

On-policy distillation (OPD) is an increasingly important paradigm for post-training language models. However, we identify a pervasive Scaling Law of Miscalibration: while OPD effe…

cs.AI2026

Agentic Confidence Calibration

Jiaxin Zhang, Caiming Xiong, Chien-Sheng Wu

AI agents are rapidly advancing from passive language models to autonomous systems executing complex, multi-step tasks. Yet their overconfidence in failure remains a fundamental ba…

cs.AI2026

Agentic Uncertainty Quantification

Jiaxin Zhang, Prafulla Kumar Choubey, Kung-Hsiang Huang +2

Although AI agents have demonstrated impressive capabilities in long-horizon reasoning, their reliability is severely hampered by the ``Spiral of Hallucination,'' where early epist…

cs.AI2026

From Passive Metric to Active Signal: The Evolving Role of Uncertainty Quantification in Large Language Models

Jiaxin Zhang, Wendi Cui, Zhuohang Li +4

While Large Language Models (LLMs) show remarkable capabilities, their unreliability remains a critical barrier to deployment in high-stakes domains. This survey charts a functiona…

cs.CL2025

Seeing is Believing? Evaluating Vision-Language Model Susceptibility in Agent-to-Agent Multimodal Persuasion

Haoyi Qiu, Yilun Zhou, Pranav Narayanan Venkit +4

As autonomous agents increasingly interact, they inevitably attempt to influence one another. While prior work in text-only settings has explored the dynamics of Agent-to-Agent (A2…

cs.LG2025

Nudging the Boundaries of LLM Reasoning

Justin Chih-Yao Chen, Becky Xiangyu Peng, Prafulla Kumar Choubey +4

Current online reinforcement learning (RL) algorithms like GRPO share a key limitation in LLM reasoning: they cannot learn from problems that are "unsolvable" to the model. In othe…

cs.RO2025

CookBench: A Long-Horizon Embodied Planning Benchmark for Complex Cooking Scenarios

Muzhen Cai, Xiubo Chen, Yining An +5

Embodied Planning is dedicated to the goal of creating agents capable of executing long-horizon tasks in complex physical worlds. However, existing embodied planning benchmarks fre…

cs.AI2025

CueTip: An Interactive and Explainable Physics-aware Pool Assistant

Sean Memery, Kevin Denamganai, Jiaxin Zhang +3

We present an interactive and explainable automated coaching assistant called CueTip for a variant of pool/billiards. CueTip's novelty lies in its combination of three features: a…