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Complex, contact, Riemannian, pseudo-Riemannian and Finsler geometry, relativity, gauge theory, global analysis.
0
votes
First examples of Lie-Rinehart algebras that are not coming from Lie algebroids
This point of view is based on the talk of Joel Villatoro titled paths in Lie-Rinehart algebras.
I may be misunderstanding what Joel Villatoro is mentioning. Correct me if I am saying something wrong. …
3
votes
2
answers
213
views
First examples of Lie-Rinehart algebras that are not coming from Lie algebroids
I heard the idea of a Lie-Rinehart algebra first time from an algebraist.
I noticed there is a similarity between description of Lie algebroid on a manifold and the algebraic notion of Lie-Rinehart al …
3
votes
2
answers
296
views
Lie's third theorem via graded geometry
Lie's third theorem : Given any finite dimensional Lie algebra $\mathfrak{g}$, there exists a Lie group $G$ whose Lie algebra is equal to $\mathfrak{g}$.
In one of the talks, speaker mentions that thi …
1
vote
0
answers
108
views
graded cocommutative and coassociative coalgebra, cofree in the category of locally nilpoten...
For someone who is new to Lie $\infty$-algebras, the title looks confusing. This is how Lie $\infty$-algebras are commonly described, for example, see What is a homotopy between $L_\infty$-algebra mor …
3
votes
0
answers
72
views
Split Lie $n$-algebroids
I am trying to see some standard examples of Lie $2$-algebroids. The first entry in Google search takes me to Madeleine Jotz Lean's work Lie 2-algebroids and matched pairs of 2-representations — a geo …
0
votes
Lie algebroid associated to a vector bundle
I am trying to write my understanding of "Lie algebroid of derivations $\mathcal{D}(E)\rightarrow M$ associated to a vector bundle $E\rightarrow M$".
Given a vector bundle $E\rightarrow M$, we want to …
2
votes
1
answer
264
views
Regarding first order differential operator and derivative endomorphism
I am reading "Differential operators and actions of Lie algebroids" by Kosmann-Schwarzbach and Mackenzie.
There is some confusion regarding the terminology.
Let $E\rightarrow M$ be a vector bundle.
A …
2
votes
0
answers
182
views
Cohomology theory for Dirac manifolds
I am trying to see if there is any existing cohomology theory for Dirac manifolds.
For the case of poisson manifolds, we have the notion of Poisson cohomology. For a manifold $M$, one can consider the …
2
votes
Is every singular foliation induced by a Lie algebroid?
Even though we may not be able to associate a Lie algebroid with a singular foliation, we can associate a Lie $\infty$-algebroid with a singular foliation (satisfying certain not so strange conditions …
5
votes
1
answer
284
views
Groupoid objects in the category of derived manifolds
I am learning about "derived manifolds" from talks of Ping Xu in Higher Structures in Geometry and Mathematical Physics.
As far as I understand, one of the main philosophy behind the introduction of d …
15
votes
3
answers
1k
views
(An introduction to) deformation theory (written) for differential geometers
Question is as mentioned in the title:
Are there any introductory notes on deformation theory that are easier to read for differential geometers?
I am learning about differential graded Lie algebras ( …
3
votes
0
answers
116
views
Is there a notion of representation theory of foliations?
A foliation on a manifold $M$ can be seen as a sub bundle of the tangent bundle $\mathcal{F}\subseteq TM$ that is closed under Lie bracket of vector fields.
One can think of foliation as a Lie algebro …
2
votes
0
answers
184
views
Relation between equivariant geometry and representation theory (of geometric objects)
Equivariant geometry studies "manifolds" with an extra structure $G\times M\rightarrow M$.
Representation theory studies "Lie algebroids" with an extra structure $\Gamma(M,A)\times \Gamma(M,E)\rightar …
2
votes
1
answer
229
views
references to learn the general theory Lie $\infty$-groupoids and Lie $\infty$-algebroids
Kirill Mackenzie has a book on the general theory of Lie groupoids and Lie algebroids.
Is there such a reference for the general theory of Lie $\infty$-groupoids and Lie $\infty$-algebroids; that cove …
1
vote
1
answer
280
views
Applications of “Homotopical algebra” in the set up of Lie groupoids
The question is as in the title.
(What are some of the) are there any applications of Homotopical algebra (in the context of Quillen’s book “Homotopical algebra”) in better understanding (or developi …