Any surjective map between from [0,1] to R
45606
Is there a bijection from [0,1] to R?
24828
surjective immersion $\mathbb{R}^2 \to \mathbb{R}^2$ which is not a diffeomorphism
90826
Constructing a subset not in $\mathcal{B}(\mathbb{R})$ explicitly
118154
$f: \mathbb{R} \to \mathbb{R}$ that takes each value in $\mathbb{R}$ twice
65472
From injective map to continuous map
146306
A continuous surjective function from $(0,1]$ onto $[0,1]$
2396
Order-preserving injections of ordinals into $[0,1]$
16610
Surjectivity of a map from a space to itself
72642
Continuous bijection from $(a,b) \to S^1$?
79285
Does there exist a continuous surjection from $\Bbb R^3-S^2$ to $\Bbb R^2-\{(0,0)\}$?
12825
Bijection between $2^{\mathbb R}$ and $\mathbb{ R ^ R}$
111990
Continuous function from $(0, 1]$ onto $(0, 1)$?
111477
Specify a bijection from [0,1] to (0,1].
108487
What basic operations on a Map are permitted while iterating over it?
84114
Does there exist a surjective homomorphism from $(\mathbb R,+)$ to $(\mathbb Q,+)$ ?
100465
Does there exist a continuous bijection from $(-1,1) \to (-1,1]$?
147159
Determine the set of values of $\exp(1/z)$ for $0<|z|<r$