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Jie-Ping Ye

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#artificial intelligence Preprint Oct 2026

Evolving Together, Failing Apart: The Skill-Policy Co-evolution Trap in Self-Improving Agents

Skill-policy co-evolution, in which an agent's policy model and its skill bank improve each other during training, is a promising paradigm for self-improving agents. Current evaluations score the co-evolved policy on the final bank it trained with (the delivered bank). After deployment, however, skills may be rewritten...

Yu-Jie Feng, Xiao-Bin Wang, Jin-Luan Yang et al. · 0 citations

The Evolution of Attention in Large Language Models: Mechanisms, Trade-offs, and Emerging Trends

Self-attention gives LLMs fine-grained, query-dependent access to context, but dense token interactions incur quadratic prefill cost and a key--value cache growing with context length. Research thus spans explicit-memory compression, sparse access, recurrent state construction, structured state dynamics, and heterogene...

Zhen-Tao Tan, Jing-Yi Shen, Yan-Bo Li et al. · 0 citations
Open access Sep 2026

LucaCell: a sequence-centric foundation model for cross-species single-cell analysis

LucaCell, a sequence-centric foundation model that represents genes through pre-trained mRNA sequence embeddings rather than static gene annotations, is presented, showing that sequence-informed gene representation can improve the generalization of single-cell foundation models across species, data types, and predictiv...

Yan Sun, Yong He, Min-Si Ren et al. · 0 citations
#machine learning Preprint Sep 2026

MemoryWalker: Stop Training Agents on Contexts They Never Saw

This work introduces two exact, gradient-equivalent corrections: LogitTree, a segmented K-forward traversal, and a packed 4D attention mask, and proposes SDCC (Self-Distillation for Conditioning Consistency), a single-backward-pass variational relaxation.

J. Zinco, Xun-Jie Zhu, Shen Huang et al. · 0 citations

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