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Yukai Jin

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#artificial intelligence Preprint Sep 2026

GroupMask: Layer-Adaptive Group-wise Sparsity for Semi-Structured LLM Pruning

GroupMask is proposed, which generates the group selectors of all layers with a lightweight hypernetwork, relaxes them with a Gumbel-Sigmoid parameterization and a straight-through estimator, and learns them through sparsity-budget regularization and self-distillation while keeping the pretrained weights frozen.

Zhen-Gao Li, Shuo-Qiu Li, Xiao-Fan Zhang et al. · 0 citations
Jul 2026

MUGEN: A Unified Framework for Efficient Motion Understanding and Generation

MUGEN is proposed, a unified motion--language framework that pays neither cost: no codebook, one draw, and surpasses the discrete-token state of the art on every retrieval and alignment metric on SnapMoGen.

Zhankai Ye, Yukai Jin, Bingyang Wei et al. · 0 citations

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