Bijection between $\mathbb{R}^n$ and $\mathbb{R}^m$
14322
Examples of bijective map from $\mathbb{R}^3\rightarrow \mathbb{R}$
32362
Detail in bijection between Inn(G) and G/Z(G)?
124333
A bijection between $\mathbb{N}$ and $\mathbb{P}(\mathbb{N})$?
95086
Homeomorphism is bijective
42883
Cross product in $\mathbb R^n$
31391
bijection between $\mathbb{N}$ and $\mathbb{N}\times\mathbb{N}$
114916
$\mathbb Z_{mn}$ isomorphic to $\mathbb Z_m\times\mathbb Z_n$ whenever $m$ and $n$ are coprime
82675
What is an example of function $f: \Bbb{N} \to \Bbb{Z}$ that is a bijection?
145722
Prove there is a bijection between the set of $R[x]$-module structures on $M$ and $\mathrm{End}_{R-\mathsf{Mod}}(M)$.
18343
Counting homomorphisms between $\Bbb Z$ and $\Bbb Z_n$ and also between $\Bbb Z_n$ and $\Bbb Q$
144246
Subset of $\mathbb{R}^n$ homeomorphic to $\mathbb{R}^n$
10458
How to define a bijection between $(0,1)$ and $(0,1]$?
49166
$R^n \cong R^m$ iff $n=m$
151425
Does $\mathbb{R}^n$ have a real vector space structure with dimension other than $n$?
157597
Homeomorphism between $\mathbb{Q}$ and $\mathbb{Q}(>0)$, and $\mathbb{Q}(\ge 0)$
93776
Bijective mapping between $\mathbb{R}^2$ and $\mathbb{R}$?
82474
Isometries of $\mathbb{R}^n$