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Jon Middleton's user avatar
Jon Middleton's user avatar
Jon Middleton's user avatar
Jon Middleton
  • Member for 11 years, 2 months
  • Last seen more than a month ago
39 votes
5 answers
5k views

Explicit eigenvalues of the Laplacian

23 votes
1 answer
1k views

How do mathematicians and physicists think of SL(2,R) acting on Gaussian functions?

10 votes
2 answers
747 views

How many geometric structures on manifolds are there?

8 votes
1 answer
509 views

When are quotients of the diffeomorphism group Fréchet manifolds?

6 votes
0 answers
184 views

The Tangent Bundle of the Space of CR Structures on S^(2n+1)

4 votes
2 answers
540 views

Heat kernel asymptotics for the sublaplacian on a contact Riemannian manifold

3 votes
1 answer
349 views

Orbits of Metrics under the Action of the Diffeomorphism Group

2 votes
1 answer
342 views

Large and Small Conformal Groups

2 votes
1 answer
168 views

Pseudohermitian Structures and Contact Metric Structures

1 vote
0 answers
193 views

When is a conformal class equal to a conformal orbit?

0 votes
1 answer
276 views

CR Structures as Integrable G-Structures

0 votes
0 answers
130 views

Does diff$(M)$ act transitively on the set of integrable $G$-structures?