= Fundamental vector field
{wiki=Fundamental_vector_field}
In differential geometry, the term "fundamental vector field" often refers to a particular type of vector field associated with a group action on a manifold. Specifically, when a Lie group acts on a differentiable manifold, each element of the Lie algebra of the group can be associated with a vector field on the manifold known as a fundamental vector field. \#\#\# Definition Let \\( G \\) be a Lie group acting smoothly on a differentiable manifold \\( M \\).
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