Fundamental group of a topological group
98647
$G$ is Topological $\implies$ $\pi_1(G,e)$ is Abelian
730
Fundamental Group of surface with infinite genus is free on infinite generators
119050
Fundamental group of $S^2$ with north and south pole identified
156463
The complement of a proper subgroup generates the whole group
50026
Product of compact and closed in topological group is closed
129830
A group with no proper non-trivial subgroups
84132
Number of preimages of a group element under a homomorphism.
24039
Fundamental Group of Punctured Plane
6118
Homeomorphism of the real line-Topology
141190
Fundamental group of mapping torus?
3907
Abelian quotient group
14532
Closure of identity element in a topological group is the intersection of its neighborhood system
154990
Fundamental group of two tori with a circle ($S^1✕${$x_0$}) identified
131519
intuition on the fundamental group of $S^1$
33294
The correspondence theorem for groups
149029
3-manifold examples of homomorphisms between fundamental groups that are not induced by continuous maps
142698
Proving that the fundamental groups of two spaces with same homotopy type are isomorphic