Fundamental group of infinite row of tori
730
Fundamental Group of surface with infinite genus is free on infinite generators
122665
Help finding the fundamental group of $S^2 \cup \{xyz=0\}$
154990
Fundamental group of two tori with a circle ($S^1✕${$x_0$}) identified
9232
Group with proper subgroups infinite cyclic
90365
Riemannian Manifolds with $n(n+1)/2$ dimensional symmetry group
142698
Proving that the fundamental groups of two spaces with same homotopy type are isomorphic
72211
Isomorphism involving Eilenberg-Maclane space, Tors.
18687
First and second homotopy groups of a connected Lie group
114662
Construction of a specific non-commutative and infinite group (with conditions on the order of the elements)
21198
Proving that the general linear group is a differentiable manifold
149029
3-manifold examples of homomorphisms between fundamental groups that are not induced by continuous maps
94708
Non-orientable 3-manifold has infinite fundamental group
119050
Fundamental group of $S^2$ with north and south pole identified
39010
Metrization of the cofinite topology
100437
Classification of connected subsets of the real line (up to homeomorphism)
58484
Is the topological product $\Pi \{G_\alpha: \alpha < \kappa\} $ a topological group?
67471
Extending to a disc means fundamental group is trivial