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This tag is used if a reference is needed in a paper or textbook on a specific result.

6 votes
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Decomposition of semisimple Lie group into almost simple factors

Can anyone suggest a reference that defines or explains that a semisimple real Lie group can be decomposed into a product of almost simple factors? In some papers that I read recently people keep talk …
Jerry's user avatar
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12 votes
1 answer
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Is every connected semisimple linear Lie group the connected component of (the real points o...

Is every connected semisimple linear Lie group the identity connected component of (the real points of) an algebraic group? I was told some fact along this line is true but could not find any ref …
Jerry's user avatar
  • 511