Principal bundles on 3-manifolds
92504
Criteria of a trivial G bundle of a 3-manifold
22150
The only 1-manifolds are $\mathbb R$ and $S^1$
149593
Global sections of a tensor product of vector bundles on a smooth manifold
128096
Let V denote the Klein 4-group. Show that $\text{Aut} (V)$ is isomorphic to $S_3$
74712
Vector Bundle Locally Free Sheaf
20692
Homotopy groups of a wedge sum
122352
Topologies in a Riemannian Manifold
147547
Any example of manifold without global trivialization of tangent bundle
90862
Top cohomology and irreducible components
25609
Multiplicity of G-module
26958
Classification of 3-dimensional Lie Algebra
84419
Product of manifolds & orientability
61013
Diffeomorphism between the Grassmannian manifolds $\mathbf{Gr}(n,k)$ and $\mathbf{Gr}(n,n-k)$.
71791
Smooth structure of embedded submanifolds
55070
Fundamental group of complement of $n$ lines through the origin in $\mathbb{R}^3$
137093
What is the codimension of matrices of rank $r$ as a manifold?
75988
Explicit isomorphism $S_4/V_4$ and $S_3$