ActTail: Global Activation Sparsity in Large Language Models

arXiv:2603.12272 · cs.CL, cs.LG · Submitted 2026-02-18 · Read on arXiv

cs.CL, cs.LG

Submitted: 2026-02-18

Updated: 2026-10-26

Terminology

• Sparsity — 11× in this paper · explained in 5 episodes
• Activation Sparsity — 6× in this paper · explained in 2 episodes
• Perplexity — 2× in this paper · explained in 3 episodes
• Large Language Model (LLM) — 1× in this paper · explained in 3 episodes
• Regularization — 1× in this paper · explained in 3 episodes
• Transformer — 1× in this paper · explained in 2 episodes

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