Real projective space homeomorphic to sphere
40256
Why are these two descriptions of real n-dimensional projective space  the same?
10215
Differentiable manifolds as locally ringed spaces
157296
Homeomorphism between the Unit Disc and Complex Plane
41872
Show that $\mathbb{R}^2$ is not homeomorphic to $\mathbb{R}^2 \setminus\{(0,0)\}$
70576
Elementary proof that $\mathbb{R}^n$ is not homeomorphic to $\mathbb{R}^m$
121246
Projective modules and $\hom(P,\cdot)$
24828
surjective immersion $\mathbb{R}^2 \to \mathbb{R}^2$ which is not a diffeomorphism
20383
True or False: there is a space $X$ such that $S^1$ is homeomorphic to $X\times X$
157987
Can a space $X$ be homeomorphic to its twofold product with itself, $X \times X$?
82458
Homeomorphism between the unit disc and the unit square
12060
Homeomorphism to graph
155794
Are the complements of two homeomorphic compact, connected subsets of $\mathbb{R}^2$ homeomorphic?
129081
Proof that convex open sets in $\mathbb{R}^n$ are homeomorphic?
128301
Homeomorphism from square to unit circle
95086
Homeomorphism is bijective
140938
Finitely generated projective module
142698
Proving that the fundamental groups of two spaces with same homotopy type are isomorphic