--- title: "Representation Space" created: 2026-06-01 updated: 2026-06-01 type: concept tags: [representation-geometry, interpretability] sources: [raw/papers/xu-why-steering-works-2026.md] --- # Representation Space(表示空间) > 占位符页面 — 待扩展 ## 概述 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)。 ## 相关概念 - [[linear-representation-hypothesis]] - [[activation-manifold]] - [[representation-validity]] - [[dynamic-weight-updates]]