Diffeomorphism between any $S^n$ and a compact Lie group
9565
Is there an easy way to show which spheres can be Lie groups?
82458
Homeomorphism between the unit disc and the unit square
90365
Riemannian Manifolds with $n(n+1)/2$ dimensional symmetry group
58135
Quotient group $SL(2,\mathbb{R})/SO(2,\mathbb{R})$
94215
Fundamental group of the connected sum of manifolds
14652
Proof a $(2n-1)$-compact manifold
6177
Do disconnected complex lie groups exist?
99465
Is every Lie subgroup of $SU(2)$ closed?
152725
Why does $S^n$ satisfy the local $n$-slice condition? (From Lee's Smooth Manifolds)
35248
Getting started with Lie Groups
110691
Proving that given any two points in a connected manifold, there exists a diffeomorphism taking one to the other
158127
Quotient space of $\Bbb C^n$ obtained by action of $S_n$
37092
Homeomorphism between a cone in a compact space and this compactification
27265
Continuously differentiable map from $\mathbb{R}^{m+n}$ to $\mathbb{R}^n$
145809
Automorphism group of a lie algebra as a lie subgroup of $GL(\frak g)$
145220
Homology Groups of $S^n$
30178
Homeomorphism $(\mathbb{CP}^1)^m/S_m \overset{\sim}{\to} \mathbb{CP}^m$?