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Results tagged with dg.differential-geometry
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user 16906
Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.
5
votes
Accepted
Which Lie algebra admit symplectic forms
Hello Amine,
One of the most general facts is that, if a Lie group admits a torsion free and (locally)
flat connection (some authors call it an affine structure) which is invariant under
left tra …
- 106
4
votes
Lie groups admitting flat (bi)invariant metrics.
If we are only interested in invariant metrics,
I think the answer to your questions readily derives from J. Milnor's paper Milnor, J., Adv. Math. 21
(1976), no. 3, 293-329.
Let G be a connected Li …
- 106