Delves into push-out and quotients in group theory, emphasizing homomorphisms and normal subgroups.
Provides a recap of group theory, defining a group as a set with a multiplication operation.
Explores fundamental groups, homotopy classes, and coverings in connected manifolds.
Covers group theory fundamentals, motivations for studying group actions, equivalent definitions, and subsets associated with group actions.
Explores the classification of extensions in group theory, emphasizing split extensions and semi-direct products.
