Group actions on topological spaces
12883
Give an example of a topological space $X $ such that $S_3$ acts freely on $X $
54346
If $G$ is a compact topological group, how to show that a finite index subgroup of $G$ is open?
99816
Existence of Topologically Transitive Maps on nice Metric Spaces
145220
Homology Groups of $S^n$
63098
Properly discontinuous actions and discrete groups in complete Riemannian manifolds.
59289
Nested Sequence of Topological Space and the Coherent Topology; Munkres Topology 35.9
83166
Homeomorphism(topological spaces) version of Cantor–Bernstein–Schroeder theorem
58484
Is the topological product $\Pi \{G_\alpha: \alpha < \kappa\} $ a topological group?
19984
Example of topological spaces with continuous bijections that are not homotopy equivalent
94215
Fundamental group of the connected sum of manifolds
98647
$G$ is Topological $\implies$ $\pi_1(G,e)$ is Abelian
65034
Are continuous self-bijections of connected spaces homeomorphisms?
16512
Product of $T_1$ spaces is $T_1$
147961
Characterizing simply connected spaces
28766
Intuition behind topological spaces
147793
A variation on the induced topology (subspace topology)
37635
Diffeomorphism group of the unit circle