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Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.
3
votes
0
answers
238
views
Invariant proof that De Rham differential is a derivation?
I tried this question twice on math.stackexchange but got no answer so I decided to move it here.
Let $M$ be a smoth manifold. Then $$C^\infty(M):=\{f:M\longrightarrow \mathbb R; f\ \textrm{is smoot …
1
vote
0
answers
58
views
Computation with Lie algebroid differential?
Let $\Phi:A_M\longrightarrow A_N$ be a morphism of Lie algebroids covering $\phi:M\longrightarrow N$. Suppose $\Theta$ is a section of the pullback bundle $\phi^* A_N$.
How to compute $$\langle d_{A …
2
votes
0
answers
61
views
Lie Algebroid Structure on $A_M\times I\longrightarrow M\times I$?
Let $p_{A_M}:A_M\longrightarrow M$ be a Lie algebroid and $I:=[0, 1]$. Then $$p_{A_M}\times \textrm{id}:A_M\times I\longrightarrow M\times I,$$
is a vector bundle. There is a $C^\infty(M\times I)$-mod …
2
votes
0
answers
439
views
Property of Lie Algebroid Morphism?
Let $A\longrightarrow M$ and $B\longrightarrow N$ be two Lie algebroides and $\Phi:A\longrightarrow B$ a morphism of Lie algebroids covering $\phi:M\longrightarrow N$. Let $\alpha, \beta\in \Gamma(A)$ …
1
vote
0
answers
46
views
How to find $\beta^\prime_e(t)$ where $\beta_e(t)=\textrm{Hol}^\sigma_{\gamma_{1, t}}(e)$?
Let $p:E\longrightarrow B$ be a surjective submersion and $\sigma: p^*(TB)\longrightarrow TE$ a complete connection. Given a path $\gamma: [a, b]\longrightarrow B$ and $s, t\in [a, b]$ such that $s<t$ …
3
votes
1
answer
102
views
Comparing holonomies along different connections?
Let $p:E\longrightarrow B$ be a smooth surjective submersion and $\sigma, \sigma^\prime: p^*(TB)\longrightarrow TE$ be two complete connections. Given a path $\gamma:I\longrightarrow B$ we can conside …
1
vote
1
answer
206
views
Property of Lie algebroid morphism: $\#_B\circ \Phi=d\phi\circ \#_A$?
Let $A\longrightarrow M$ and $B\longrightarrow N$ be Lie algebroids with anchors $\#_A$ and $\#_B$, respectively.
A morphism of Lie algebroids is a morphism of vector bundles $\Phi:A\longrightarrow …