Prime spectrums bijection but not homeomorphism
97810
bijective morphism of affine schemes
7108
Normal subgroup of prime index
101064
Showing the triviality of homomorphisms
30178
Homeomorphism $(\mathbb{CP}^1)^m/S_m \overset{\sim}{\to} \mathbb{CP}^m$?
93776
Bijective mapping between $\mathbb{R}^2$ and $\mathbb{R}$?
128301
Homeomorphism from square to unit circle
1117
Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?
85586
Proving $\mathbb{Q}$ isn't homeomorphic to $\mathbb{Z}$
61899
Prove that the language $\{bin(p) \mid p\ \text{is prime}\}$ is not regular (prime numbers)
114480
Example of a domain where all irreducibles are primes and that is not a GCD domain
27188
Bijection between $\mathbb{R}$ and $\mathbb{R}/\mathbb{Q}$
92493
If $G$ is non-abelian, then $Inn(G)$ is not a normal subgroup of the group of all bijective mappings $G \to G$
52798
Finding counterexamples: bijective continuous functions that are not homeomorphisms
34699
A continuous bijection from a compact space to a $T_2$ space is always a homeomorphism
35379
Spectrum of infinite product of rings
139176
The real line is not homeomorphic to any non-trivial product space
74330
$\mathbb{R}^n$ not homeomorphic to open subset of $\mathbb{R}^m$