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Definition

Tangent Space

Lie Groups and Lie Algebras · lie-groups.tex
For $p \in M$ a smooth manifold (Definition~Smooth Manifold), the tangent space $T_pM$ is the vector space of derivations on smooth functions near $p$. Concretely in a chart, it is spanned by $\partial/\partial x^i|_p$. The tangent bundle is $TM = \bigsqcup_{p \in M} T_pM$.
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flowchart LR classDef current fill:#6366f1,color:#fff,stroke:#4f46e5 n49c0e84b["Smooth Manifold"] nd0ae9dbd["Tangent Space"]:::current ne5d64c7b["Immersion and Embedding"] n49c0e84b --> nd0ae9dbd nd0ae9dbd --> ne5d64c7b click n49c0e84b "../objects/49c0e84b.html" "_self" click ne5d64c7b "../objects/e5d64c7b.html" "_self"