tracked author

Xu Shen

HydraHead coauthor. arXiv lists Alibaba Group. Google Scholar identifies Tongyi Large Model Business Unit, Alibaba Token Hub with verified alibaba-inc.com email. Public OpenReview snippet identifies Alibaba Group researcher history and USTC PhD student history.

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归档 Jul 02, 2026

HydraHead: From Head Level Functional Heterogeneity to Specialized Attention Hybridization

用 causal patching 找到 retrieval critical heads，只为这些 heads 保留 full attention。

待审阅 2606.20097-hydrahead-head-wise-hybrid-attention Linear Attention Long Context Reasoning Analysis