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Lejun Ai

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Book Open access Aug 2026

Mining Point-of-No-Return Boundaries in Constrained Dynamical Systems via Counterfactual Auditing

counterfactual PoNR Auditing (CPA), a snapshot-replay framework that produces matched counterfactual rollouts and is accelerated by a neural operator surrogate (UNO) for a 3.09× end-to-end speedup, and serves as an offline supervision generator, allowing lightweight predictors to learn early inevitability signals beyon...

Jia Liu, Jiaxin Luo, Lejun Ai et al. · 0 citations
2026

HongAvg: Hierarchical On-Demand Cognitive Split Federated Learning for Twin Agent Orchestration

Fusing digital twins (DTs) with world models (WMs) promises a leap from reactive monitoring to proactive control. However, deploying high-fidelity WMs faces a fundamental cognitive gap: the immense computational demand of foundation models conflicts with the resource constraints of 6G edge nodes, while privacy regulati...

Yue Wang, Jixuan Xie, Yusheng Lin et al. · 0 citations

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