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Lie algebras are algebraic structures which were introduced to study the concept of infinitesimal transformations. The term "Lie algebra" (after Sophus Lie) was introduced by Hermann Weyl in the 1930s. In older texts, the name "infinitesimal group" is used. Related mathematical concepts include Lie groups and differentiable manifolds.

3 votes
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Reconstructing a Lie group Banach representation from the Lie algebra rep. on analytic vectors

Dear all, I have some difficulties with the following assertion in the book of Kirillov. Let $G$ be a connected Lie group, and T a given (!) representation of G on a Banach space V. Let $V^\omega$ b …
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3 votes
1 answer
462 views

How can one find generators of basic differential forms on homogeneous spaces?

Dear all, In short, my problem is that I would like to have a better control of the 1-forms on a homogeneous space. Contrary to the group case, the module of differential form is not trivialisable. …
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