24 lines
713 B
Markdown
24 lines
713 B
Markdown
---
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title: "Representation Space"
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created: 2026-06-01
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updated: 2026-06-01
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type: concept
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tags: [representation-geometry, interpretability]
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sources: [raw/papers/xu-why-steering-works-2026.md]
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---
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# Representation Space（表示空间）
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> 占位符页面 — 待扩展
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## 概述
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表示空间指LLM中间层的激活空间 $\mathbb{R}^{d_l}$，其中词元表示通过层层仿射变换 $h_{i+1} = W h_i + b$ 形成。关键假设包括 [[linear-representation-hypothesis]]（概念对应线性方向）和 [[activation-manifold]]（激活集中在低维流形上）。
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## 相关概念
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- [[linear-representation-hypothesis]]
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- [[activation-manifold]]
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- [[representation-validity]]
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- [[dynamic-weight-updates]]
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