Timeline for When is the Lie algebra of automorphisms of a geometrical structure finite-dimensional?
Current License: CC BY-SA 4.0
5 events
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| Nov 5, 2019 at 9:05 | history | edited | Ben McKay | CC BY-SA 4.0 |
added many references
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| Nov 5, 2019 at 8:52 | comment | added | Ben McKay | p. 69 5.11.B (ii): affine structures, (iii): conformal structures. I don't think they cover projective connections, but the rigidity in Gromov's sense of Cartan connections modelled on effective homogeneous spaces is well known, and rigidity for projective connections is proven in Amores, Vector fields ..., JDG, 1979, but was certainly known to Cartan. | |
| Nov 5, 2019 at 0:08 | comment | added | ungerade | Could you maybe provide me with a more precise pointer to where your last paragraph is in the reference you mention? | |
| Oct 21, 2019 at 11:57 | history | edited | Ben McKay | CC BY-SA 4.0 |
added projective and conformal connections
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| Oct 21, 2019 at 11:51 | history | answered | Ben McKay | CC BY-SA 4.0 |