Richard Montgomery's user avatar
Richard Montgomery's user avatar
Richard Montgomery's user avatar
Richard Montgomery
  • Member for 14 years, 3 months
  • Last seen more than a week ago
101 votes

The Arnold – Serre debate

89 votes

What is an integrable system?

25 votes

Varieties cut by quadrics

23 votes

Good differential equations text for undergraduates who want to become pure mathematicians

20 votes

Nonconvex manhole covers

18 votes

Should water at the scale of a cell feel more like tar?

17 votes
Accepted

2- and 3-body problems when gravity is not inverse-square

16 votes

Frobenius Theorem for subbundle of low regularity?

16 votes
Accepted

Why is proving $C^{\infty}$ regularity of sub Riemannian geodesics so hard?

12 votes

Where does a math person go to learn quantum mechanics?

12 votes

$G_2$ and Geometry

9 votes

What manifolds are bounded by RP^odd?

9 votes

Geodesics on a Grassmannian

9 votes

Probing a manifold with geodesics

8 votes

What is the role of contact geometry in the hamiltonian mechanics?

8 votes
Accepted

Two interacting bodies in an external field

8 votes

Parodies of abstruse mathematical writing

7 votes
Accepted

Diameter of $\mathrm{SU}(2)$ endowed with a left-invariant metric

7 votes

How can generic closed geodesics on surfaces of negative curvature be constructed?

6 votes

Why Lagrangian cobordism?

6 votes
Accepted

Does every compact manifold exhibit an almost global chart

6 votes

Examples of great mathematical writing

6 votes

Classical analogue of the Stone-von Neumann Theorem?

6 votes

Kummer's quartic surface and the Dirac operator

5 votes

Projective Hilbert space: L^2

5 votes

When is the time evolution of a Hamiltonian system described by the geodesic flow on a Riemannian manifold?

5 votes

G-bundles in classical mechanics

5 votes

When does local invertibility imply invertibility?

5 votes

How can I conclude that I live in a solar system?

4 votes

easy(?) probability/diff eq. question