Quotient map $f$ from the $n$-sphere to the $n$-disk
46563
Show that the quotient space is homeomorphic to the n-disc
143565
Find a conformal map from semi-disc onto unit disc
145220
Homology Groups of $S^n$
27265
Continuously differentiable map from $\mathbb{R}^{m+n}$ to $\mathbb{R}^n$
105322
Computing the quotient of SL(2,Z) by its commutator subgroup
40490
Birational isomorphism $\mathbb{P}^n\times \mathbb{P}^m\to \mathbb{P}^{n+m}$
154837
mapping properties of $(1−z)^i$
144246
Subset of $\mathbb{R}^n$ homeomorphic to $\mathbb{R}^n$
70298
Are quotients of chain groups $C_n(X)/C_n(A)$ still free?
26661
Ring homomorphisms from $\mathbb{Z}_n$ to $\mathbb{Z}_m$
91222
Isomorphism between $\mathfrak o(4,\mathbb R)$ and $\mathfrak o (3,\mathbb R) \oplus\mathfrak o (3,\mathbb R) $
5699
The number of ring homomorphisms from $\mathbb{Z}_m$ to $\mathbb{Z}_n$
110729
Maps to Sn homotopic
26197
$B^n/S^{n-1}$ is homeomorphic to $S^n$
148369
Quotient groups of D10
82458
Homeomorphism between the unit disc and the unit square
67199
Isomorphism $H_n(D^n, S^{n - 1};A)$ and $A$