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Xinmei Tian

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Preprint Sep 2026

A Theory of Reliable Self-Evolution for Agent Harnesses

This work provides a theoretically grounded condition under which a self-evolved harness can be reliably adopted and proposes a validation rule to make the evolved system satisfy the reliable adoption condition with theoretical guarantees.

Qi Cai, Yong-Gang Zhang, Jun Nie et al. · 2 citations · ⚡2

Interpreting and Enhancing Emotional Circuits in Large Vision-Language Models via Cross-Modal Information Flow

This work constructs a specialized dataset to demystify the emotional circuits underlying the three-stage ``Adapt-Aggregate-Execute''mechanism and discovers a functional decoupling: visual emotional cues are aggregated in middle layers via sentiment-specific attention heads, but are subsequently translated into narrati...

Chengsheng Zhang, Cheng-Hao Sun, Zhiang Xie et al. · 0 citations
#machine learning Preprint Aug 2026

EvolveNet: Collaborative Harness Evolution for Agent Self-Improvement

EvolveNet is introduced, a paradigm of collaborative harness evolution that moves experience extraction to the data and introduces scope-typed, evidence-guided program aggregation, which improves the shared harness in all five settings.

Jun Nie, Yong-Gang Zhang, Qi Cai et al. · 2 citations
Jul 2026

DRNOISE: Benchmarking Deep Research Agents in Misleading Evidence Environments

DRNOISE, a 100-task benchmark for answer recovery under misleading evidence, is introduced, a 100-task benchmark for answer recovery under misleading evidence that requires active reconciliation of direct claims with record-level evidence.

Jun Nie, Zhiqin Yang, Zhenheng Tang et al. · 2 citations
Preprint Aug 2026

Generated Images Are Easier to Forget: A Machine Unlearning Perspective for Synthetic Image Detection

This work establishes a new paradigm for generated image detection by recasting the detection task as a problem of machine unlearning, and introduces two detection methods: data-free detection, which prunes model parameters to induce unlearning without data access, and data-driven detection, which optimizes LVMs to unl...

Jun Nie, Yonggang Zhang, Tongliang Liu et al. · 0 citations
Jul 2026

A Control Theory of Predictability in Latent World Models

It is proved that the planner's suboptimality is bounded by twice this discrepancy between the predicted and the true plan-cost at the plan the planner commits to, whereas the data-averaged prediction error neither bounds nor tracks it.

Hanzhe You, Yonggang Zhang, Maohao Ran et al. · 2 citations
Jul 2026

TTHE: Test-Time Harness Evolution

Test-Time Harness Evolution is introduced, which treats the executable harness as the state of test-time adaptation for LLM agents as evolution over executable control programs and identifies execution-derived proxy reliability as a central challenge for robust unsupervised agent improvement.

Jun Nie, Yonggang Zhang, Jun Song et al. · 3 citations

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