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Bilateral's user avatar
Bilateral's user avatar
Bilateral
  • Member for 9 years, 1 month
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25 votes
2 answers
2k views

Interplay between Loop Quantum Gravity and Mathematics

21 votes
6 answers
3k views

Automorphism group of real orthogonal Lie groups

16 votes
2 answers
1k views

Classification of $O(2)$-bundles in terms of characteristic classes

16 votes
2 answers
3k views

Open questions in "Spin geometry"

13 votes
3 answers
1k views

DGLA or $L_{\infty}$-algebra controlling the deformation of Einstein metrics and instantons

12 votes
4 answers
4k views

Classification of $SU(2)$ principal fibre bundles over four-dimensional manifolds

10 votes
2 answers
683 views

Representability of the sum of homology classes

9 votes
0 answers
321 views

Diffeomorphism type of Ricci-flat four manifolds

9 votes
1 answer
730 views

On the topology induced by a Lorentzian metric

9 votes
3 answers
512 views

A conjecture about parallelizable generalized spheres

8 votes
1 answer
424 views

Spin structures on schemes

8 votes
0 answers
961 views

The open problem of finding the explicit metric on a compact Calabi-Yau manifold

8 votes
1 answer
1k views

Curvature of a principal bundle and the exterior covariant derivative

8 votes
1 answer
768 views

Tangent space of the space of smooth sections of a bundle

7 votes
1 answer
2k views

Classification of $SU(2)$-bundles versus the classification of $SO(3)$-bundles

7 votes
1 answer
635 views

Fundamental group of the space of maps into a classifying space

7 votes
2 answers
1k views

References for the moduli space of complex structures

7 votes
1 answer
340 views

Differential geometry without the Hausdorff condition or the second axiom of countability

6 votes
2 answers
1k views

Line bundles over Kähler–Hodge manifolds

6 votes
2 answers
718 views

Lifting sections of a projective bundle to a vector bundle

5 votes
2 answers
1k views

Triviality of the adjoint and endomorphism bundles

5 votes
1 answer
8k views

The most cited paper in Mathematics [closed]

5 votes
1 answer
433 views

Frame-bundle reduction from spinor-bundle reduction

4 votes
1 answer
328 views

Compatible reductions of the structure group of a principal fiber bundle

4 votes
1 answer
714 views

When is the semidirect product of principal fiber bundles a fiber bundle

4 votes
1 answer
2k views

The space of homotopy classes of maps of products of spheres

4 votes
1 answer
337 views

Obstruction to a $SU(4)$-structure in eight dimensions

4 votes
1 answer
406 views

Is $M=E_{7(7)}/SU(7)\times\mathbb{R}^{+}$ a (pseudo)Kähler-Hodge manifold? Open problem

4 votes
0 answers
222 views

Canonical connections on Hermitian manifolds

4 votes
0 answers
197 views

Spectral problems with the wrong sign on the Poincaré disk