Group CohomologyCovers the concept of group cohomology, focusing on chain complexes, cochain complexes, cup products, and group rings.
Adjunctions and Push OutsCovers adjunctions, push outs, colimits, and discrete fibers in coverings, emphasizing group actions and symmetries.
Functors: ExamplesExplores identity and forgetful functors in category theory, showcasing their role in preserving structure and relationships between categories.