Author

Kejian Tong

Northeastern University

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#artificial intelligence Preprint Sep 2026

Hierarchical Belief Modeling for Zero-Shot Opponent Adaptation in Partially Observable Multi-Agent Navigation

HORIZON is a hierarchical agent that combines symmetry aware spatial perception, dual memory belief tracking, relic centric graph attention, information gain driven exploration, information gain driven exploration, and an opponent conditioned policy mixture.

Ko-Wei Shih, Lu Cheng, Ze-Yu Wang et al. · 0 citations

#artificial intelligence Book Open access Apr 2026

Dependency-Aware Chain-of-Thought Compression for Financial Reasoning

A Hierarchical Semantic Distillation Network, HSDN, is presented for compressing reasoning chains while preserving answer accuracy and logical coherence, and shows that graph guided compression is effective for high stakes financial reasoning tasks.

Wen-Jun Wu, Lei Fu, Kejian Tong et al. · Proceedings of the 2026 3rd... · 0 citations