Timeline for When is a given matrix of two forms a curvature form?

13 events

when toggle format	what		by	license	comment
S Apr 1, 2019 at 22:51	history	suggested	Ali Taghavi		I add two tags.
Apr 1, 2019 at 21:07	review	Suggested edits
S Apr 1, 2019 at 22:51
May 2, 2016 at 18:56	history	edited	Ben McKay	CC BY-SA 3.0	formatting
Aug 23, 2011 at 0:37	vote	accept	Vamsi
Aug 23, 2011 at 0:25	vote	accept	Vamsi
Aug 23, 2011 at 0:37
Aug 23, 2011 at 0:08	answer	added	Robert Bryant		timeline score: 25
Aug 22, 2011 at 22:51	history	edited	Willie Wong	CC BY-SA 3.0	removed redundant "enter code here"
Aug 22, 2011 at 22:08	comment	added	Robert Bryant		@David: You mean $F$, not $A$, and this closure is guaranteed by the quasi-Bianchi equation $dF = B\wedge F - F\wedge B$.
Aug 22, 2011 at 22:03	comment	added	Vamsi		The Bianchi identity guarantees this ($dtr(F^k) = ktr(dF F^{k-1})=ktr([B,F]F^{k-1})=0$)
Aug 22, 2011 at 21:49	history	edited	Gjergji Zaimi		edited tags
Aug 22, 2011 at 21:28	comment	added	David E Speyer		A necessary condition: All the coefficients of the "characteristic polynomial" of $A$ must be closed differential forms. (If we were working over $\mathbb{C}$, these would be the Chern forms. Not sure what they're called over $\mathbb{R}$, but they should be closed either way.)
Aug 22, 2011 at 21:25	history	edited	Vamsi	CC BY-SA 3.0	added 17 characters in body
Aug 22, 2011 at 21:14	history	asked	Vamsi	CC BY-SA 3.0