Quotient Space Hausdorff
14282
$X/{\sim}$ is Hausdorff if and only if $\sim$ is closed in $X \times X$
104234
What is the Hausdorff dimension of the set of irrationals on $\mathbb R^1$
152679
Homogeneous topological spaces
110744
How to prove that a compact set in a Hausdorff topological space is closed?
64375
Non-Metrizable Topological Spaces
95234
Quasi-components in compact space
79779
How big can a separable Hausdorff space be?
148112
Prove that a topological space equipped with a delta-complex structure is Hausdorff
60981
Understanding relation between Quotient Space and $S^1$
71489
Countable product of Polish spaces
82458
Homeomorphism between the unit disc and the unit square
66180
Homomorphism between compact Hausdorff spaces.
136094
$G_\delta$ singletons in compact Hausdorff and first countability
149980
Are there any countable Hausdorff connected spaces?
77563
Homeomorphism between spaces equipped with cofinite topologies
70049
Irreducible topological spaces and irreducible Hausdorff space
90628
The metric spaces are Tychonoff spaces