Andreas Cap's user avatar
Andreas Cap's user avatar
Andreas Cap's user avatar
Andreas Cap
  • Member for 9 years, 3 months
  • Last seen more than a month ago
14 votes
Accepted

A conjecture about parallelizable generalized spheres

12 votes

Characterization of the exterior derivative

11 votes
Accepted

What is the relation between spherical principal series representations of a reductive Liegroup and Verma modules for its Lie algebra?

10 votes
Accepted

Different definitions of spin structures

10 votes
Accepted

Tangent bundle of a homogeneous space and the euler exact sequence

7 votes

de Rham cohomology and flat vector bundles

6 votes
Accepted

Commuting of exterior derivative and contraction (vector-valued forms)

6 votes

Do contact and CR structures have corresponding $G$-structures?

5 votes
Accepted

An Stokes type theorem for some operations other than integral

5 votes
Accepted

What is the space for the coefficients of the connection 1-form of a connection in a vector bundle?

5 votes
Accepted

triviality of Whitney sums of a vector bundle

5 votes
Accepted

Global section of universal bundle on Grassmanian

4 votes
Accepted

On generalized Tanaka connection

4 votes
Accepted

Constant spinors from constant forms

3 votes
Accepted

What is the space parametrising the curved sub-Cartan geometries of a flat Cartan geometry?

3 votes
Accepted

Is $\mathbb{P}T^*M$ a sub-Riemannian manifold if $M$ is Riemannian?

3 votes
Accepted

The standard projective cotractor bundle and its cocycle of transition functions

2 votes

Isomorphism of Complex Stiefel manifold and Homogeneous space of unitary group, and the Stiefel logarithm problem

2 votes

Constructing jet bundles from a cocycle of smooth transition functions

2 votes
Accepted

What is the curved version of the Tits fibration for $G_2$?

2 votes

Geometric interpretation of splitting of sequence associated to a homogeneous space

2 votes

canonical action of symmetric groups on orthogonal groups

1 vote

Conjugate Matrix

1 vote

Does a $G$-structure on $M$ automatically descend to a contact $G$-structure on $\mathbb{P}T^*M$?