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Tsinghua University

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Preprint Oct 2026

TeachBack: Learning to Teach via Bidirectional Preference Optimization for On-Policy Self-Distillation

On-policy self-distillation (OPSD) enables a language model to learn from a Teacher instantiated from the same model but given access to privileged information, such as a reference solution. We find that access to sufficient privileged information allows the Teacher to generate highly accurate trajectories; however, ac...

Lin-Fei Ji, Jia-Yu Li, Hao-Zhao Wang et al. · 0 citations
Preprint Sep 2026

Doubly robust target inference for generalized linear regression with completely missing covariates

Large-scale multipurpose cohort studies and biobanks often omit covariates needed for specific downstream analyses. We study target-population inference for generalized linear regression when key covariates are completely absent from the target data but observed in a related source population. Standard missing covariat...

Hua-Li Zhao, Kerstin Bunte Bernoulli Institute of Mathematics, Statistics et al. · 0 citations
Preprint Sep 2026

Tele-Traversability: Rethinking Traversability for Teleoperated Ground Robots in Terrain Navigation

Teleoperation, a human-in-the-loop control scheme, allows a human operator to remotely command and guide a mobile robot to navigate in off-road environments, yet fluent and user-friendly tele-navigation requires an alignment of traversability evaluation between human and robot. In the teleoperation system, the human op...

Le-Wei Feng, Qi Chen, Wen-Shuo Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

AgentBug-Smith: Automatically Reproducing Real-World Harness Bugs in Agentic Systems

Agent harness bugs exhibit unique characteristics and remain challenging for state-of-the-art software agents to repair. Progress in this area is further hindered by existing benchmarks, which contain only a small and fixed number of executable harness bugs while requiring hundreds of human hours to construct. This wor...

Yi-Ming Cheng, Alfin Wijaya Rahardja, Meng-Shi Zhang et al. · 0 citations
Preprint Sep 2026

Realtime-Venus: A full-duplex interaction system with asynchronous delegation

Realtime-Venus, a proactive full-duplex interaction system with two separately trained 9B models: Realtime-Venus-Omni for audio-visual interaction and Realtime-Venus-Audio for spoken interaction, which leads the compared models on MMAU, Llama Questions, and Speech CMMLU.

Venus Team, Tsinghua University · 3 citations
Review Sep 2026

Implicit Manipulation for Skill Selection in LLM Agents with Semantic Matching

This work identifies a new implicit attack surface for skill selection: even when the user prompt and skill description appear benign in isolation, their semantic relationship can still be strategically shaped to favor an attacker-chosen skill.

Qi-Kai Wang, Yong-Zhao Zhang, Zhi-Wei Chen et al. · 1 citation
Review Open access Aug 2026

Collective Communication for Distributed LLM Systems: Planning, Runtime Adaptation, and Computation Coordination

This paper presents a tutorial-style, collective-centric taxonomy for collective communication, which organizes recent advances into three layers: communication planning, which generates topology-aware collective schedules; communication execution and adaptation, which maps these schedules onto GPU runtimes and hardwar...

Xue-Bin Song, Menghao Zhang, Yue Liu et al. · 0 citations

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